Understand the terms that shape your equipment requirements, from bulk density and materials of construction to cleaning, hazardous areas, and process conditions.
Each entry explains the term, why it matters, and what to tell RTS. These are introductory explanations; the applicable project specifications, equipment documentation, and site requirements establish the details for your installation.
67 glossary entries, listed alphabetically.
No matching terms. Try a shorter search or clear your filters.
Hygiene & Cleaning
3-A Sanitary Standards & Symbol Authorization
Hygienic design standards and an authorization program covering specified equipment. A sanitary description alone is not evidence of current 3-A Symbol authorization.
Related search terms: 3A; 3-A certification.
Why it matters & what to tell RTS
Why It Matters
Helps define and verify the hygienic requirements for the equipment being purchased.
What to Tell RTS
The required standard, equipment model, and any requirement for current Symbol authorization.
Two common stainless steel families. 316 contains molybdenum, which can improve resistance to certain corrosive conditions; neither grade is suitable for every chemical.
Related search terms: SS304; SS316; 304L; 316L.
Why it matters & what to tell RTS
Example Stainless Steel Finish Options
These descriptions specify Type 304 construction. Confirm the required grade and finish separately for each project; finish names are not universal standards.
Stainless Steel Industrial Finish
Type 304, welded exclusively on the exterior and deburred. Exterior surfaces with microsphere blasted finish.
Stainless Steel Refined Finish
Type 304, product-contact areas continuously welded and deburred. Exterior surfaces with microsphere blasted finish.
Stainless Steel Sanitary Finish
Type 304, product-contact areas continuously welded and polished to a 150 grit finish. Exterior surfaces with microsphere blasted finish.
A 150 grit specification does not establish a guaranteed Ra value or 3-A authorization. Confirm surface roughness, weld treatment, and cleaning requirements where applicable.
Why It Matters
Grade selection affects compatibility, service life, and cleaning requirements.
What to Tell RTS
Product composition, cleaning chemicals, temperatures, and the required stainless grade.
Material Properties
Abrasiveness
A material's tendency to wear equipment surfaces through contact and movement.
Related search terms: abrasion; wear characteristics.
Why it matters & what to tell RTS
Why It Matters
Influences wear liners, component materials, conveying speed, and maintenance.
What to Tell RTS
Material identity, particle hardness and shape, capacity, and observed wear.
Performance & Documentation
Accuracy & Repeatability
Accuracy describes closeness to the intended or reference value. Repeatability describes consistency when the same measurement or operation is repeated under the same conditions.
Related search terms: precision; dosing tolerance.
Why it matters & what to tell RTS
Why It Matters
A repeatable result can still be offset from the target; specify both requirements.
What to Tell RTS
Target value, allowable error, test conditions, and whether the requirement applies to a batch or instantaneous rate.
Hygiene & Cleaning
Allergen Changeover
The controlled cleaning and changeover process used when switching between products with different allergen profiles.
Related search terms: cross-contact control; recipe changeover.
Why it matters & what to tell RTS
Why It Matters
Affects access, disassembly, cleaning procedures, and verification.
What to Tell RTS
Allergens handled, product sequence, cleaning method, and required cleaning verification.
Operating Conditions
Ambient Temperature
The temperature around the equipment, distinct from the product temperature inside it.
Related search terms: surrounding temperature.
Why it matters & what to tell RTS
Why It Matters
Affects motors, instruments, controls, seals, and outdoor installations.
What to Tell RTS
Minimum and maximum surrounding temperatures, including seasonal extremes.
Material Properties
Angle of Repose
The angle formed by the surface of a loose material pile relative to horizontal under the test conditions.
Related search terms: pile angle.
Why it matters & what to tell RTS
Why It Matters
Helps describe pile behaviour, but alone does not determine hopper flow or outlet sizing.
What to Tell RTS
Measured angle, test method, moisture, and material condition.
Hazardous Areas & Dust
Area Classification
The documented classification of a location where flammable gases, vapours, or combustible dust may create an ignition hazard. Classification systems and required equipment markings depend on the installation.
Related search terms: hazardous location; hazardous area; HazLoc; classified area.
Why it matters & what to tell RTS
Class / Division / Group Quick Guide
Class I: Flammable gases and vapours, including vapours from flammable liquids.
Group A: Acetylene.
Group B: Hydrogen.
Group C: Ethylene.
Group D: Propane.
Class II: Combustible dust.
Group E: Metal dust.
Group F: Coal dust, carbon black, and coke dust.
Group G: Grain dust, flour, and starch.
Division 1: Ignitable concentrations can be present under normal conditions, continuously or intermittently.
Division 2: Ignitable concentrations are not normally expected; abnormal conditions or other classification criteria may apply. Dust deposits also require consideration.
Example: Class II, Division 1, Group G describes a combustible-dust location with the stated division and dust group.
Group substances above are representative examples. Use the site's documented classification and required temperature rating; this summary does not replace classification or equipment approval.
Why It Matters
Equipment protection and certification must match the actual classified location.
What to Tell RTS
Site classification drawing, Class/Division or Zone, material group, temperature requirements, and country of installation.
The supply pressure, flow, quality, and duty needed by air-operated components.
Related search terms: plant air; instrument air; air consumption.
Why it matters & what to tell RTS
Why It Matters
An adequate pressure reading alone does not establish that the air supply can meet flow demand.
What to Tell RTS
Available pressure and flow, air quality, connection size, and simultaneous users.
Hygiene & Cleaning
Containment
Measures used to keep product, dust, or vapour within the intended process boundary.
Related search terms: dust containment; enclosed transfer.
Why it matters & what to tell RTS
Why It Matters
Supports product recovery, housekeeping, exposure control, and cross-contamination management.
What to Tell RTS
Material hazards, leakage or exposure targets, connection points, and cleaning needs.
Material Properties
Corrosiveness
The tendency of a product or environment to chemically attack equipment materials.
Related search terms: corrosive service; corrosion potential.
Why it matters & what to tell RTS
Why It Matters
Affects metals, coatings, elastomers, and expected service life.
What to Tell RTS
Chemistry, concentration, moisture, temperature, and any known corrosion history.
Operating Conditions
Design Pressure
The pressure specified as a basis for mechanical design at a stated design temperature. The allowable working pressure is established separately for the equipment.
Related search terms: pressure design basis; high-pressure service.
Why it matters & what to tell RTS
Why It Matters
Pressure capability must be established for the complete assembly and relevant operating conditions.
What to Tell RTS
Required design pressure and temperature, maximum operating pressure, pressure excursions, and applicable specification.
Operating Conditions
Design Temperature
The temperature or temperature range used as a basis for equipment mechanical design and material selection.
Related search terms: temperature rating; high-temperature service.
Why it matters & what to tell RTS
Why It Matters
Product, ambient, and cleaning temperatures may impose different limits on different components.
What to Tell RTS
Maximum and minimum design temperatures, operating values, cleaning conditions, and transient exposure.
Hygiene & Cleaning
Drainability & Dead Spaces
Drainability describes liquid removal; dead spaces are areas where material or cleaning fluid may remain stagnant or be difficult to remove.
Related search terms: dead legs; product retention; self-draining design.
Why it matters & what to tell RTS
Why It Matters
Retention can affect cleaning, changeover, and product condition.
What to Tell RTS
Drainage expectations, installation orientation, product properties, and cleaning procedure.
Hazardous Areas & Dust
Dust Hazard Analysis (DHA)
A structured assessment of combustible dust fire and explosion hazards in the process and facility.
Related search terms: dust hazards analysis; combustible dust hazard review.
Why it matters & what to tell RTS
Why It Matters
Provides a basis for identifying hazards and needed prevention or protection measures.
What to Tell RTS
Existing DHA, process changes, dust test data, equipment layouts, and responsible project contacts.
Hazardous Areas & Dust
Dust Ignition Protection
Protection methods for equipment used where combustible dust can create ignition hazards. Dust and gas protection requirements are distinct.
Related search terms: dust-ignition-proof; dust hazardous-location protection.
Why it matters & what to tell RTS
Why It Matters
A gas-service explosion-proof marking alone does not establish suitability for a dust location.
What to Tell RTS
Dust area classification, material group, temperature limits, and required equipment certification.
Operating Conditions
Duty Cycle
The pattern of operation and rest, including run time, starts, stops, and loading conditions.
Related search terms: intermittent duty; continuous duty.
Why it matters & what to tell RTS
Why It Matters
Affects motor selection, heat buildup, wear, and component life.
What to Tell RTS
Hours per day, starts per hour, cycle lengths, and loading during startup.
Construction & Compatibility
Elastomers & Gaskets
Flexible materials used in seals, gaskets, sleeves, and other components, such as EPDM, silicone, and FKM.
Related search terms: seal materials; rubber compatibility; O-rings.
Why it matters & what to tell RTS
Why It Matters
Chemical exposure, temperature, cleaning, and mechanical movement affect performance.
What to Tell RTS
Product and cleaning chemistry, temperature range, seal function, and any food-contact documentation requirements.
Hazardous Areas & Dust
Electrical Certification
Documented evaluation or approval of electrical equipment to the applicable requirements for its intended installation. The accepted route depends on the equipment and jurisdiction.
Related search terms: CSA certification; cUL certification; electrical approval.
Why it matters & what to tell RTS
Why It Matters
A component's approval does not automatically cover an entire assembled system.
What to Tell RTS
Installation location, required certification or field evaluation, equipment scope, and project specifications.
Operating Conditions
Electrical Supply
The voltage, phase, frequency, and available power at the installation point.
Related search terms: plant power; power requirements.
Why it matters & what to tell RTS
Why It Matters
Motors, heaters, drives, and control panels must suit the site supply.
What to Tell RTS
Voltage, phase, frequency, available circuit capacity, and control voltage.
Hazardous Areas & Dust
Explosion Isolation
Measures intended to limit propagation of an explosion through connections between pieces of equipment.
Related search terms: deflagration isolation; propagation isolation.
Why it matters & what to tell RTS
Why It Matters
A protected vessel may still expose connected equipment through ducts or conveying lines.
What to Tell RTS
System layout, connecting pipework, dust test data, and protection design requirements.
Hazardous Areas & Dust
Explosion Suppression
A protection approach that detects a developing deflagration and rapidly introduces a suppressant into protected equipment.
Related search terms: deflagration suppression; chemical suppression.
Why it matters & what to tell RTS
Why It Matters
Requires application-specific design, detection, and maintenance arrangements.
What to Tell RTS
Vessel details, process pressure and temperature, dust data, and connected equipment.
Hazardous Areas & Dust
Explosion Venting
A protection approach that relieves deflagration pressure through purpose-designed vents, with consideration of discharge effects and installation location.
Related search terms: deflagration venting; explosion relief; flameless venting.
Why it matters & what to tell RTS
Why It Matters
Vent size, location, equipment strength, and discharge routing must be evaluated together.
What to Tell RTS
Vessel geometry and strength, dust data, location, vent ducts, and any flameless venting needs.
Hazardous Areas & Dust
Explosion-Proof Equipment (XP)
An electrical protection concept in which a specified enclosure contains an internal explosion and prevents ignition of the surrounding specified gas or vapour atmosphere.
Related search terms: XP; explosionproof; explosion proof.
Why it matters & what to tell RTS
Why It Matters
XP describes a protection method, not the full classification or certification needed for every hazardous location.
What to Tell RTS
Complete area classification, gas or vapour group, temperature requirements, and approved equipment markings.
Performance & Documentation
Factory Acceptance Test (FAT)
An agreed inspection and test performed at the manufacturer's facility before shipment.
Related search terms: FAT testing; pre-shipment acceptance.
Why it matters & what to tell RTS
Why It Matters
Allows defined functions and documentation to be checked before delivery.
What to Tell RTS
Test procedure, product or substitute test material, acceptance criteria, and witness requirements.
Material Properties
Flowability
How readily a bulk solid moves under stated conditions, influenced by particle properties, moisture, consolidation, and storage time.
Related search terms: powder flow; free-flowing; cohesive material.
Why it matters & what to tell RTS
Why It Matters
Affects hopper design, feeding consistency, and conveying behaviour.
What to Tell RTS
Flow test results, discharge observations, storage time, and changes in moisture or temperature.
Hygiene & Cleaning
Food-Contact Materials
Materials intended for contact with food under specified conditions, supported by the relevant composition and compliance documentation.
Related search terms: food-grade materials; food-contact compliance.
Why it matters & what to tell RTS
Why It Matters
Suitability depends on the material, product, temperature, and contact conditions.
What to Tell RTS
Applicable food-contact requirements, product type, temperature, and documentation needed.
Material Properties
Friability
A material's tendency to break, crumble, or generate fines during handling.
Related search terms: particle degradation; product fragility.
Why it matters & what to tell RTS
Why It Matters
Influences conveyor selection, transfer arrangements, mixing intensity, and product quality.
What to Tell RTS
Acceptable breakage, particle size before and after handling, and product samples.
Construction & Compatibility
FRP Construction
Fibre-reinforced plastic construction using a resin system and reinforcement selected for the service.
Related search terms: fibreglass; fiberglass; fibre-reinforced polymer.
Why it matters & what to tell RTS
Why It Matters
Can suit certain corrosive applications, with limits set by resin, temperature, wear, and mechanical loading.
What to Tell RTS
Chemical composition, temperature, particulate loading, and mechanical requirements.
Hazardous Areas & Dust
Grounding & Bonding
Bonding connects conductive parts to reduce potential differences; grounding connects suitable parts to earth through a designed path.
Related search terms: earthing; equipotential bonding; static control.
Why it matters & what to tell RTS
Why It Matters
Relevant to electrical and electrostatic hazard control, but does not replace other required protection measures.
What to Tell RTS
Site grounding specification, material conductivity, flexible connections, and static-control requirements.
Hygiene & Cleaning
High-Pressure Cleaning
Cleaning that uses pressurized water or cleaning solution, potentially combined with elevated temperature.
Related search terms: pressure washing; hot-water washdown.
Why it matters & what to tell RTS
Why It Matters
Water pressure, direction, temperature, and chemistry may exceed what a general washdown description implies.
The tendency of a material to absorb moisture from its surroundings.
Related search terms: hygroscopic materials; moisture absorption.
Why it matters & what to tell RTS
Why It Matters
Can contribute to caking, flow changes, corrosion, or quality loss.
What to Tell RTS
Moisture sensitivity, room humidity, storage duration, and air exposure limits.
Operating Conditions
Indoor & Outdoor Installation
The environmental setting in which equipment must operate, including exposure to weather, sunlight, and temperature extremes.
Related search terms: weather exposure; outdoor service.
Why it matters & what to tell RTS
Why It Matters
Affects enclosure selection, materials, structural considerations, and instrument performance.
What to Tell RTS
Location, weather exposure, ambient range, humidity, and shelter arrangements.
Hazardous Areas & Dust
Intrinsic Safety
An electrical protection concept that limits available energy in specified circuits so they cannot ignite the intended hazardous atmosphere under defined conditions.
Related search terms: IS; intrinsically safe circuits.
Why it matters & what to tell RTS
Why It Matters
The complete circuit arrangement, including associated apparatus and wiring, must meet its specified requirements.
What to Tell RTS
Area classification, instrument documentation, associated barriers or isolators, and wiring requirements.
Operating Conditions
IP Ratings
Ingress protection codes describing protection against access to hazardous parts, solid objects, and water under specified tests.
Related search terms: ingress protection; IP65; IP66; IP67; IP69.
Why it matters & what to tell RTS
Why It Matters
They do not by themselves establish sanitary suitability, chemical resistance, or equivalence to a NEMA enclosure type.
What to Tell RTS
Required IP rating and actual dust, water, cleaning, and environmental exposure.
Hazardous Areas & Dust
Kst & Pmax
Dust explosion test parameters describing pressure-rise severity and maximum explosion pressure under the stated test conditions.
Related search terms: dust explosion severity; maximum explosion pressure.
Why it matters & what to tell RTS
Why It Matters
They are inputs to protection design, not a complete assessment of ignition likelihood or overall risk.
What to Tell RTS
Material-specific laboratory reports, sample condition, and the process being protected.
Performance & Documentation
Mass & Volumetric Flow
Mass flow is material weight per time; volumetric flow is occupied volume per time. Conversion requires the relevant density.
Related search terms: kg/h; lb/h; ft³/h; m³/h.
Why it matters & what to tell RTS
Why It Matters
The same mass rate can require different equipment capacity for materials with different bulk densities.
What to Tell RTS
Minimum and maximum rates, units, and density range at operating conditions.
Performance & Documentation
Material Certificates & Traceability
Records identifying material grade, properties, and, where required, its connection to particular equipment components.
Related search terms: mill certificates; MTRs; material test reports.
Why it matters & what to tell RTS
Why It Matters
Documentation expectations affect purchasing, fabrication, and record retention.
What to Tell RTS
Required certificate type, component scope, heat or lot traceability, and project document requirements.
Construction & Compatibility
Materials of Construction (MOC)
The metals, plastics, coatings, and other materials used to build equipment and its components.
Related search terms: MOC; construction materials; wetted materials.
Why it matters & what to tell RTS
Why It Matters
Influences compatibility, wear, cleaning, strength, and cost.
What to Tell RTS
Required grades for contact and non-contact parts, product chemistry, cleaning agents, and operating conditions.
Material Properties
Moisture Content
The amount of water in a material, stated using a defined measurement method and wet or dry basis.
Related search terms: water content; wet basis; dry basis.
Why it matters & what to tell RTS
Why It Matters
Affects bulk density, flow, caking, drying needs, and handling behaviour.
What to Tell RTS
Typical and maximum moisture, measurement basis, seasonal variation, and sampling method.
Performance & Documentation
Motor Power & Drives
Motor power is the rated mechanical output; drives and gearing control speed and torque delivered to the equipment.
Related search terms: horsepower; kW; VFD; variable frequency drive.
Why it matters & what to tell RTS
Voltage Options to Specify
575 V, 600 V, 460 V, 230 V, 208 V, and 120 V. Specify whether this is the site supply voltage or the motor nameplate voltage, plus phase and frequency. Available combinations depend on the motor and equipment.
Motor Enclosure & Service Options
TEFC: Totally enclosed, fan-cooled.
TENV: Totally enclosed, non-ventilated. TENV alone does not establish washdown suitability.
Washdown duty: A motor designed for its stated cleaning conditions; washdown models may be TEFC or TENV.
Explosion-proof (TEXP / XP): A specified hazardous-location motor construction. Confirm the actual certification, Class, Division or Zone, Group, and temperature rating.
Share the site power supply, cleaning method, area classification, speed range, and required motor power.
Why It Matters
Power alone does not establish capacity or suitability for startup and process loads.
What to Tell RTS
Required speed range, startup conditions, material load, supply voltage, and drive preference.
Operating Conditions
NEMA Enclosure Types
Enclosure designations addressing specified environmental conditions, with requirements that differ from the IP system.
Related search terms: NEMA 4; NEMA 4X; NEMA 12.
Why it matters & what to tell RTS
Common NEMA Enclosure Types
NEMA Type 1 - General purpose: Indoor protection against access to hazardous parts and falling dirt.
NEMA Type 4X: Includes protection for specified water exposure and additional corrosion resistance. Confirm the complete installation requirements.
NEMA Type 7: Indoor hazardous locations classified as Class I, Division 1, for the specific gas Group or Groups A, B, C, or D shown in the equipment rating.
NEMA Type 9: Indoor hazardous locations classified as Class II, Division 1, for the specific dust Group or Groups E, F, or G shown in the equipment rating.
A Type 7 or Type 9 designation does not mean approval for every listed group. Confirm the equipment marking and certification. “NEMA” alone is not an enclosure type, and IP ratings are not directly interchangeable with NEMA types.
Why It Matters
A NEMA type should be specified directly when required; an IP rating is not a direct substitute.
What to Tell RTS
Required NEMA type, indoor or outdoor use, corrosion exposure, and cleaning conditions.
Operating pressure is the actual process pressure; pressure differential is the difference between two points. Gauge and absolute pressure use different reference points.
Related search terms: process pressure; delta P; psig; psia; bar(g); bar(a).
Why it matters & what to tell RTS
Why It Matters
Affects seals, filtration, valve operation, conveying, and mechanical design.
What to Tell RTS
Normal and maximum values, differential pressure, gauge or absolute basis, and upset conditions.
Operating Conditions
Operating Temperature
The normal and expected minimum and maximum process temperatures during operation.
Related search terms: process temperature; service temperature.
Why it matters & what to tell RTS
Why It Matters
Product, equipment, seals, sensors, and cleaning systems may have different temperature limits.
What to Tell RTS
Normal, maximum, and minimum product temperatures, exposure duration, and startup conditions.
Material Properties
Particle Size & Distribution
The size range and relative proportions of particles in a material. Mesh denotes a sieve designation; micron denotes a unit of length, and conversion depends on the sieve standard.
Related search terms: PSD; mesh size; microns; D10; D50; D90.
Why it matters & what to tell RTS
What a Particle-Size Distribution Shows
Example only, not measured product data. Each bar shows the percentage by mass within one 50 µm size band. The seven percentages total 100%.
The tallest bar means that 30% of this example material is between 150 and 200 µm. The smaller bars represent finer and coarser fractions. Two products can have the same average size but very different distributions.
When sharing a PSD report, include whether percentages are by mass, volume, or number, along with the test method and sample condition.
Why It Matters
Affects conveying, screening, grinding, segregation, and dust behaviour.
What to Tell RTS
Distribution or sieve analysis, maximum lumps, test standard, and any fines limit.
Construction & Compatibility
Passivation & Electropolishing
Passivation treats a stainless surface to remove free iron and support its passive condition. Electropolishing removes surface metal electrochemically; these are different processes.
Related search terms: stainless passivation; electropolished finish.
Why it matters & what to tell RTS
Why It Matters
Surface treatments can affect cleanliness and corrosion performance but do not replace correct base material selection.
What to Tell RTS
Treatment specification, surface finish target, contact surfaces, and documentation needed.
Construction & Compatibility
Product-Contact Surfaces
Surfaces that directly contact the product during processing or transfer, distinct from frames and other non-contact structures.
Related search terms: wetted parts; contact parts; non-contact parts.
Why it matters & what to tell RTS
Why It Matters
Contact and non-contact components can require different material and finish specifications.
What to Tell RTS
Which parts contact product, required materials, finish, and cleaning conditions.
Material Properties
Rat-Holing
A flow pattern in which material discharges through a central channel while material around it remains stagnant.
Related search terms: ratholing; channel flow.
Why it matters & what to tell RTS
Why It Matters
Can reduce usable storage and create inconsistent discharge or product retention.
What to Tell RTS
Bin geometry, outlet size, flow behaviour, storage time, and material test results.
Performance & Documentation
Residence Time
The time material remains in equipment or a defined process stage; individual particles may experience different times.
Related search terms: retention time; dwell time.
Why it matters & what to tell RTS
Why It Matters
Affects mixing, drying, heating, cooling, and product quality.
What to Tell RTS
Required process time, capacity, fill level, and acceptable variation.
Hygiene & Cleaning
Sanitary & Hygienic Design
Design intended to support effective cleaning and reduce contamination risks through suitable materials, surfaces, joints, and access.
Related search terms: hygienic equipment; sanitary construction.
Why it matters & what to tell RTS
Why It Matters
The word sanitary alone does not define a particular certification, finish, or cleaning result.
What to Tell RTS
Applicable standards, cleaning method, product-contact requirements, and verification expectations.
Material Properties
Segregation
Separation of a mixture into different particle fractions during storage, transfer, or handling.
Related search terms: demixing; blend separation.
Why it matters & what to tell RTS
Why It Matters
Can change formulation consistency even after a successful mixing step.
What to Tell RTS
Particle size and density differences, transfer arrangement, and acceptable composition variation.
Performance & Documentation
Site Acceptance Test (SAT)
An agreed test of installed equipment at the customer site against defined criteria.
Related search terms: SAT testing; site acceptance.
Why it matters & what to tell RTS
Why It Matters
Checks performance and integration under the agreed site conditions.
What to Tell RTS
Site utilities, product availability, capacity targets, test procedure, and responsibilities.
Construction & Compatibility
Surface Finish (Ra)
Ra is a measure of average surface roughness under a specified measurement method; it is not a complete description of surface quality or cleanability.
Related search terms: roughness average; microinch finish; polished finish.
Why it matters & what to tell RTS
Why It Matters
Finish requirements affect fabrication, inspection, and cleaning expectations.
What to Tell RTS
Ra limit and units, surfaces covered, measurement method, weld treatment, and polishing requirements.
Performance & Documentation
Throughput & Capacity
The material quantity equipment can process or transfer per unit time under stated operating conditions.
Related search terms: production rate; handling capacity; feed rate.
Why it matters & what to tell RTS
Why It Matters
Peak requirements, material variation, and upstream surges can differ from average production.
What to Tell RTS
Minimum, normal, and peak rates, duty cycle, units, and material properties.
Performance & Documentation
Turndown Ratio
The ratio between a defined maximum and minimum operating rate over which specified performance is maintained.
Related search terms: operating range; feed-rate range.
Why it matters & what to tell RTS
Why It Matters
A nominal speed range does not establish accuracy or process performance across the entire range.
What to Tell RTS
Maximum and minimum required rates and performance requirements at each.
Operating Conditions
Vacuum Service
Operation below local atmospheric pressure, requiring a stated absolute pressure or vacuum reference.
Related search terms: negative-pressure service; full vacuum.
Why it matters & what to tell RTS
Why It Matters
Equipment must be suitable for external pressure loading as well as its seals and process function.
What to Tell RTS
Required absolute pressure or vacuum level, temperature, leak tolerance, and operating cycle.
Material Properties
Viscosity & Rheology
Viscosity describes resistance to flow. Rheology also describes behaviour such as shear thinning, yield stress, and time dependence.
Related search terms: cP; mPa·s; shear thinning; yield stress.
Why it matters & what to tell RTS
Why It Matters
Affects liquid mixing, pumping, filtration, and powder incorporation.
What to Tell RTS
Viscosity at process temperature, test method or shear rate, solids content, and changes during processing.
Hygiene & Cleaning
Washdown Requirements
The actual cleaning exposure equipment must tolerate, including water, cleaning chemicals, pressure, temperature, and duration.
Related search terms: washdown duty; washdown-rated equipment.
Why it matters & what to tell RTS
Why It Matters
Washdown suitability depends on the complete equipment and cleaning conditions, not one general label.
What to Tell RTS
Cleaning method, chemicals, pressure, temperature, frequency, and specified enclosure ratings.
Construction & Compatibility
Wear Liners & Coatings
Replaceable liners or applied surface layers used to address wear, corrosion, or material sticking.
Related search terms: wear protection; abrasion-resistant lining; protective coatings.
Why it matters & what to tell RTS
Why It Matters
Selection depends on the wear mechanism, chemistry, temperature, and product requirements.
What to Tell RTS
Material abrasiveness, impact, temperature, contamination limits, and preferred maintenance approach.
Construction & Compatibility
Weld Quality & Finish
Requirements for weld construction, inspection, and treatment of the finished weld surface.
Related search terms: weld finishing; weld inspection; ground and polished welds.
Why it matters & what to tell RTS
Why It Matters
Affects strength, cleanability, corrosion behaviour, and inspection documentation.
What to Tell RTS
Applicable weld specification, contact surfaces, inspection requirements, and finish criteria.
Let's Define Your Equipment Requirements
Send us your material, required capacity, operating conditions, and any site or cleaning specifications. RTS can help clarify equipment options and coordinate technical questions with the manufacturer.
