Safety Relief Valves- CSR and CSRH | Product Series

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Pressure Relief Setting (barg)

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Flow Capacity (SCFM Air)

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Safety Relief Valves- CSR and CSRH

Safety Relief Valves- CSR and CSRH

Where to Buy

The CSR and CSRH Valves employ proven principles of design, these safety relief valves are highly reliable and dependable. The valves are precision machined assure valve opening at the set pressure long after installation.

Technical Specifications

  • Model Number: Please Configure Part for Model Number
  • Minimum Operating Temperature: -40 °C, -40 °F
  • Maximum Operating Temperature: 150 °C, 300 °F
  • Minimum Ambient Temperature: -29 °C, -20 °F
  • Maximum Ambient Temperature: 94 °C, 200 °F
  • Pressure Relief Setting: 10.3 to 27.6 barg, 150 to 400 psig
  • Maximum Operating Pressure: 27.6 bar, 400 psig
  • Product Series: CSRV
  • Valve Type: CSR1 Thru CSR4, CSRH1 Thru CSRH5
  • Valve Material: Cast Iron (External), Stainless Steel (Internal), PTFE ((Seat)
  • Inlet Connection Size: 1/2 to 1-1/4 inch
  • Outlet Connection Size: 3/4 to 1-1/2 inch
  • Orifice Size: 12.7 mm, 1/2 inch
  • Air Flow Rate: 37 to 1173 SCFM, 10 to 2142 lb/min
  • Application: Vapor Only
Safety Warning

Full Product Description

Parker's cartridge safety relief valves (CSRV) are designed to offer the highest level of protection while maintaining easy serviceability. The CSRV was designed from the existing Parker SR and SRH safety relief valve housing, which allows for a simple and easy upgrade path to the new cartridge based design. As local or state codes govern the frequency of valve replacement, the CSRV is a cost effective alternative to standard safety relief valve designs.

Markets:

• Refrigeration Specialties

Features and Benefits:

• Suitable for ammonia and halocarbon refrigerants
• ASME Boiler and Pressure Vessel Code, Section VIII, Division 1 compliant
• ANSI/ASHRAE 15 safety standard for refrigeration systems
• Stainless steel cartridge and internal components
• Same lay in length as SR and SRH series safety relief valves
• Cartridge based design allows for replacement while housing remains in the system
• Non-stick PTFE seat
• Set pressure tolerance of ±3%
• Unaffected by vibration
Function and Design:
• Safety relief valves are used to protect against or limit pressure build up in refrigeration systems, vessels or compressors caused by a process upset or equipment failure.
• The cartridge safety relief valve (CSR) and high capacity cartridge safety relief valve (CSRH) are intended to prevent the pressure of the vessel from rising more than 10% above the designed working pressure (DWP) of the vessel or the pressure setting of the relief device, whichever is the lower pressure.

Application:

• Compressor Packages
• Accumulator Vessels
• Anywhere else protection from overpressure is required

Related Documents

Literature and Reference Materials
Cartridge Replacement Instructions
Product Bulletin - Cartridge Safety Relief Valve
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Products Inlet Connection Outlet Connection Pressure Relief Setting (barg) Pressure Relief Setting (psig) Flow Capacity (SCFM Air) Valve Type
111622 1/2" 3/4" 10.3 150 130 CSR1
111623 1/2" 3/4" 13.8 200 170 CSR1
111624 1/2" 3/4" 17.2 250 210 CSR1
111625 1/2" 3/4" 20.7 300 250 CSR1
111626 1/2" 3/4" 24.1 350 290 CSR1
111627 1/2" 3/4" 27.6 400 329 CSR1
111628 1/2" 1" 10.3 150 246 CSR2
111629 1/2" 1" 13.8 200 321 CSR2
111630 1/2" 1" 17.2 250 397 CSR2
111631 1/2" 1" 20.7 300 472 CSR2
111632 1/2" 1" 24.1 350 547 CSR2
111633 1/2" 1" 27.6 400 622 CSR2
111634 1/2" 3/4" 10.3 150 463 CSRH1
111635 1/2" 3/4" 13.8 200 605 CSRH1
111636 1/2" 3/4" 17.2 250 747 CSRH1
111637 1/2" 3/4" 20.7 300 889 CSRH1
111638 1/2" 3/4" 24.1 350 1031 CSRH1
111639 1/2" 3/4" 27.6 400 1173 CSRH1
111640 1/2" 1" 10.3 150 463 CSRH2
111641 1/2" 1" 13.8 200 605 CSRH2
111642 1/2" 1" 17.2 250 747 CSRH2
111643 1/2" 1" 20.7 300 889 CSRH2
111644 1/2" 1" 24.1 350 1031 CSRH2
111645 1/2" 1" 27.6 400 1173 CSRH2
111646 3/4" 1" 10.3 150 463 CSRH3
111647 3/4" 1" 13.8 200 605 CSRH3
111648 3/4" 1" 17.2 250 747 CSRH3
111649 3/4" 1" 20.7 300 889 CSRH3
111650 3/4" 1" 24.1 350 1031 CSRH3
111651 3/4" 1" 27.6 400 1173 CSRH3
112160 3/4" 1" 12.1 175 1173 CSRH3
112448 1/2" 3/4" 19 275 230 CSR1
112460 3/4" 1 1/4" 12 150 377 CSR3
112461 3/4" 1 1/4" 13.8 200 493 CSR3
112462 3/4" 1 1/4" 17.2 250 608 CSR3
112463 3/4" 1 1/4" 20.7 300 724 CSR3
112464 3/4" 1 1/4" 24.1 350 839 CSR3
112465 3/4" 1 1/4" 27.6 400 955 CSR3
112466 3/4" 1 1/2" 10.3 150 37 CSR4
112467 3/4" 1 1/2" 13.8 200 49 CSR4
112468 3/4" 1 1/2" 17.2 250 60 CSR4
112469 3/4" 1 1/2" 20.7 300 72 CSR4
112470 3/4" 1 1/2" 24.1 350 83 CSR4
112471 3/4" 1 1/2" 27.6 400 94 CSR4
112472 1" 1 1/4" 10.3 150 61 CSRH4
112473 1" 1 1/4" 13.8 200 79 CSRH4
112474 1" 1 1/4" 17.2 250 100 CSRH4
112475 1" 1 1/4" 20.7 300 117 CSRH4
112476 1" 1 1/4" 24.1 350 135 CSRH4
112477 1 1/4" 1 1/2" 10.3 150 73 CSRH5
112478 1 1/4" 1 1/2" 13.8 200 96 CSRH5
112479 1 1/4" 1 1/2" 17.2 250 118 CSRH5
112480 1 1/4" 1 1/2" 20.7 300 141 CSRH5
112481 1 1/4" 1 1/2" 24.1 350 163 CSRH5
112507 1/2" 3/4" 26.2 380 313 CSR1
112548 1/2" 3/4" 12.1 175 1173 CSRH1

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