SR5 Sanitary Pressure Regulator


Nonporous Polished Body and Internals for High Purity Processing – Body, plug and diaphragm plate (when applicable) are machined from 316L Stainless steel. All internal wetted surfaces are mechanically polished and electropolished to 20 µin / 0.5 µm Ra.

Wide Control Range – Typical set points range from 2 to 135 PSIG / 0.2 to 9.3 bar to cover a wide range of applications.

Large Turndown Ratio – No need for reduced Cv trims at low flows.

Self-Draining – Fluids will drain toward the inlet of the body when the regulator is installed with the spring case in the upright vertical position.

Clean in Place or Steam in Place – The lock-in place pin can be inserted in the side of the spring case to prevent the valve plug from closing during cleaning.

Tight Shutoff – Soft seat available to ensure better shutoff and prevent excess pressure buildup in dead-end applications.

Highly Stable – The upper guide ring provides for stable control over the entire operating range.

Superior Flow Performance and Accuracy – The Type SR5 is designed to deliver high flows with minimal offset to maintain even pressure over the full range of flow.

Easy Maintenance – The design incorporates a metal-to-metal stop to protect diaphragms from damage due to over-compression at the outer circumference. Tri-clamp® allows easy access to internal parts.

Optional Diaphragm Support – A diaphragm support is added to the regulator for installations that will be exposed to vacuum conditions.

Diaphragm Cycle Life – Metal 316L Stainless steel diaphragm is designed to maximize service life.

Covered Adjusting Screw – Electropolished stainless steel adjusting screw cover improves the aesthetics and cleanability of the regulator.

Sanitary Design Standards – Designed to meet ASME BPE and European Hygienic Equipment Design Group criteria.

Optional T-Handle Available – T-Handle option is available to accommodate frequent adjustments.

Remote Setpoint Capability – An optional spring case configuration permits pressure loading. Loading pressure varied from a remote location adjusts the setpoint in direct proportion.

Technical Data

Pressure Registration

Temperature Capabilities
-20° to 400°F / -28° to 204°C Depending on seat and diaphragm material

Body Sizes
NPS 0.5 / 0.75 / 1 / 1.5 / 1.5×1 / 2 / 3 | DN 15 / 20 / 25 / 40 / 40×25 / 50 / 80

End Connections
Sanitary Tri-Clamp

Maximum Inlet
Pressure210 PSIG / 14.5 bar

Maximum Outlet Pressure
210 PSIG / 17.2 bar

Spring Ranges
2 to 135 PSIG / 0.14 to 9.3 bar


Applications where a sanitary design is essential, such as pharmaceutical, biotech or food and beverage industries.

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