
3171 Back Pressure Relief Regulator
The 3171 Back Pressure Relief Regulator is a stainless steel regulator designed for managing small to mid-capacity flow rates in sanitary biotechnical process piping systems. It effectively controls inlet pressure within a range of 5 to 200 psig (0.34 to 13.8 Barg). This regulator is suitable for various industries, including pharmaceuticals, food processing, cosmetics, and specialty chemicals.
- Specifications
- Technical Data
- Advantages
- Industries
- Applications
- Documents
- Contact
Specifications
Material: Stainless Steel (SST)
Size: 1/2″ (DN15)
Inlet Pressure Range: 5 to 200 psig (0.34 to 13.8 Barg)
Operating Temperature: -20 to +400°F (-29° to +205°C)
Maximum Inlet Pressure: 240 psig (16.5 Barg)
Surface Finish:
- Interior: Electro-polished to #32 micro-inch Ra finish
- Exterior: Electro-polished
Technical Data
- Trim Removal: The trim is easily removable from the regulator while it is in-line, facilitating quick maintenance and inspection.
- Material Construction: All metallic parts are made of stainless steel and the unit is cleaned according to Cashco Spec. #S-1576.
- High Stability: The regulator features a high-mass plug that dampens high-frequency disturbances from both the inlet and outlet sides, ensuring stable operation.
Advantages
- Sanitary Design: The electro-polished surfaces and stainless steel construction make it suitable for sanitary applications, ensuring compliance with industry standards.
- Durable Construction: Made entirely from stainless steel, the 3171 regulator is built to withstand harsh environments and high pressures, providing long-term reliability.
- Easy Maintenance: The trim can be removed easily while the regulator is still in-line, reducing downtime and simplifying maintenance procedures.
- Versatility: Capable of handling a wide range of pressures and temperatures, making it adaptable to various applications across multiple industries.
Industries
- Pharmaceuticals: Used in the production of healthcare products for both human and animal consumption.
- Food and Beverage: Applied in processed food production, including confectionery, beverages, nutritional supplements, and artificial sweeteners.
- Cosmetics: Utilized in the manufacturing of cosmetic products.
- Specialty Chemicals: Supports processes in the production of specialty chemicals.
Applications
- Sanitary Process Equipment: Supports equipment like fermenters, batching tanks, cookers, and dryers in biotechnical and sanitary process systems.
- Back Pressure Regulation: Provides precise control of back pressure in systems handling both liquid and gaseous fluids.
- Relief Pressure Management: Ensures safety and process integrity by relieving excess pressure in sensitive biotechnological applications.
Do you have questions or comments about receiving a quote, our products, solutions and services, and support? Contact us by filling out the form.
- Michael Bradley (External) – Mob: 086 047 6178
- Brendan Merrigan (External) – Mob: 087 2598124
- Stephen White - Mob: 083 165 3830
- Office Tel: 021 461 7200

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