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Pressure Relief Valves

Pressure Relief Valves

Pressure Relief Valves

Parker RS (Parker Refrigerating Specialities Division) offers a range of safety valves designed to protect industrial and commercial refrigeration systems from overpressure situations. Parker RS pressure relief valves include vapor safety relief valves (H2, H3, H4, H5, SR1, SR2, SR3, SR4, SRH1, SRH2, SRH3, SRH4, SRH5) liquid safety relief valves (SR1LQ, SR2LQ) and cartridge relief valves (CSR1, CSR2, CSR3, CSR4, CSRH1, CSRH2, CSRH3, CSRH4, CSRH5).

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344 items

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  1. 107063 Parker RS SRH2 Safety Relief Valve 1/2 107063 Parker RS SRH2 Safety Relief Valve 1/2
    SHIPS TODAY
    Parker - Refrigerating Specialties: 107063, SRV, SRH2 250PSI 1/2X1
    List Price $391.00 List Price $391.00 Web Price $233.43
  2. 107069 Parker RS SRH3 Safety Relief Valve 3/4 107069 Parker RS SRH3 Safety Relief Valve 3/4
    SHIPS TODAY
    Parker - Refrigerating Specialties: 107069, SRV, SRH3 250PSI 3/4X1
    List Price $528.00 List Price $528.00 Web Price $324.68
  3. 107033 Parker RS SR1 Safety Relief Valve 1/2 107033 Parker RS SR1 Safety Relief Valve 1/2
    SHIPS TODAY
    Parker - Refrigerating Specialties: 107033, SRV, SR1 250PSI 1/2X3/4
    List Price $393.00 List Price $393.00 Web Price $241.67
  4. 107057 Parker RS SRH1 Safety Relief Valve 1/2 107057 Parker RS SRH1 Safety Relief Valve 1/2
    SHIPS TODAY
    Parker - Refrigerating Specialties: 107057, SRV, SRH1 250PSI 1/2X3/4
    List Price $374.00 List Price $374.00 Web Price $239.64
  5. 107058 Parker RS SRH1 Safety Relief Valve 1/2 107058 Parker RS SRH1 Safety Relief Valve 1/2
    SHIPS TODAY
    Parker - Refrigerating Specialties: 107058, SRV, SRH1 300PSI 1/2X3/4
    List Price $374.00 List Price $374.00 Web Price $216.81
  6. 107036 Parker RS SR1 Safety Relief Valve 1/2 107036 Parker RS SR1 Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 107036, SRV, SR1 400PSI 1/2X3/4
    List Price $393.00 List Price $393.00 Web Price $234.63
  7. 107045 Parker RS SR3 Safety Relief Valve 3/4 107045 Parker RS SR3 Safety Relief Valve 3/4
    SHIPS TODAY
    Parker - Refrigerating Specialties: 107045, SRV, SR3 250PSI 3/4X1-1/4
    List Price $711.00 List Price $711.00 Web Price $437.21
  8. 210195 Parker RS Cartridge Parts Kit for CSR3 250 psi- image 1 210195 Parker RS Cartridge Parts Kit for CSR3 250 psi- image 1
    Parker - Refrigerating Specialties: 210195, CRT KT,CSR3 250PSIG
    List Price $786.00 List Price $786.00 Web Price $469.25
  9. 101122 Parker RS H5 Safety Relief Valve 1-1/4 101122 Parker RS H5 Safety Relief Valve 1-1/4
    SHIPS TODAY
    Parker - Refrigerating Specialties: 101122, SRV, 1-1/4 H5 300PSI
    List Price $2,811.00 List Price $2,811.00 Web Price $1,747.86
  10. 107576 Parker RS SRH3 Safety Relief Valve 3/4 107576 Parker RS SRH3 Safety Relief Valve 3/4
    Parker - Refrigerating Specialties: 107576, SRV, SRH3 275PSI 3/4X1
    List Price $628.00 List Price $628.00 Web Price $374.93
  11. 111648 Parker RS CSRH3 Safety Relief Valve 3/4 111648 Parker RS CSRH3 Safety Relief Valve 3/4
    Parker - Refrigerating Specialties: 111648, SRV, CSRH3 250PSIG 3/4X1
    List Price $728.00 List Price $728.00 Web Price $434.63
  12. SRV-CSR/CSRH Parker RS SRV-CSR/CSRH Parker RS
    Parker RS "CSR/CSRH Series" Cartridge Pressure Relief Valves
    List Price $2,077.00 List Price $2,077.00 As low as $318.24
  13. 107039 Parker RS SR2 Safety Relief Valve 1/2 107039 Parker RS SR2 Safety Relief Valve 1/2
    SHIPS TODAY
    Parker - Refrigerating Specialties: 107039, SRV, SR2 250PSI 1/2X1
    List Price $443.00 List Price $443.00 Web Price $272.41
  14. 107040 Parker RS SR2 Safety Relief Valve 1/2 107040 Parker RS SR2 Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 107040, SRV, SR2 300PSI 1/2X1
    List Price $443.00 List Price $443.00 Web Price $264.48
  15. 107031 Parker RS SR1 Safety Relief Valve 1/2 107031 Parker RS SR1 Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 107031, SRV, SR1 150PSI 1/2X3/4
    List Price $393.00 List Price $393.00 Web Price $234.63
  16. 107037 Parker RS SR2 Safety Relief Valve 1/2 107037 Parker RS SR2 Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 107037, SRV, SR2 150PSI 1/2X1
    List Price $443.00 List Price $443.00 Web Price $264.48
  17. 107055 Parker RS SRH1 Safety Relief Valve 1/2 107055 Parker RS SRH1 Safety Relief Valve 1/2
    SHIPS TODAY
    Parker - Refrigerating Specialties: 107055, SRV, SRH1 150PSI 1/2X3/4
    List Price $374.00 List Price $374.00 Web Price $229.98
  18. 107061 Parker RS SRH2 Safety Relief Valve 1/2 107061 Parker RS SRH2 Safety Relief Valve 1/2
    SHIPS TODAY
    Parker - Refrigerating Specialties: 107061, SRV, SRH2 150PSI 1/2X1
    List Price $391.00 List Price $391.00 Web Price $240.44
  19. 107556 Parker RS SRH5 Safety Relief Valve 1-1/4 107556 Parker RS SRH5 Safety Relief Valve 1-1/4
    SHIPS TODAY
    Parker - Refrigerating Specialties: 107556, SRV, SRH5 150PSI 1-1/4X1-1/2
    List Price $1,492.00 List Price $1,492.00 Web Price $917.47
  20. 111633 Parker RS CSR2 Safety Relief Valve 1/2 111633 Parker RS CSR2 Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 111633, SRV, CSR2 400PSIG 1/2X1
    List Price $604.00 List Price $604.00 Web Price $360.60
  21. 111634 Parker RS CSRH1 Safety Relief Valve 1/2 111634 Parker RS CSRH1 Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 111634, SRV, CSRH1 150 PSIG 1/2X3/4
    List Price $541.00 List Price $541.00 Web Price $322.99
  22. 210202 Parker RS Cartridge Parts Kit for CSR4 300 psi- image 1 210202 Parker RS Cartridge Parts Kit for CSR4 300 psi- image 1
    Parker - Refrigerating Specialties: 210202, CRT KT,CSR4 300PSIG
    List Price $911.00 List Price $911.00 Web Price $543.88
  23. SRV-SR/SRH Parker RS SRV-SR/SRH Parker RS
    Parker RS "SR/SRH Series" Vapor Safety Relief Valves (108 variations)
    List Price $1,592.00 List Price $1,592.00 As low as $216.81
  24. Parker RS SRV 1/2 Parker RS SRV 1/2
    Parker - Refrigerating Specialties: 101087, SRV, 1/2 H2 250PSI
    List Price $1,033.00 List Price $1,033.00 Web Price $616.72
  25. 101116 Parker RS H5 Safety Relief Valve 1-1/4 101116 Parker RS H5 Safety Relief Valve 1-1/4
    Parker - Refrigerating Specialties: 101116, SRV, 1-1/4 H5 150PSI
    List Price $2,811.00 List Price $2,811.00 Web Price $1,678.21
  26. 107067 Parker RS SRH3 Safety Relief Valve 3/4 107067 Parker RS SRH3 Safety Relief Valve 3/4
    SHIPS TODAY
    Parker - Refrigerating Specialties: 107067, SRV, SRH3 150PSI 3/4X1
    List Price $528.00 List Price $528.00 Web Price $324.68
  27. 107553 Parker RS SRH4 Safety Relief Valve 1 107553 Parker RS SRH4 Safety Relief Valve 1
    SHIPS TODAY
    Parker - Refrigerating Specialties: 107553, SRV, SRH4 250PSI 1X1-1/4
    List Price $801.00 List Price $801.00 Web Price $492.56
  28. 107554 Parker RS SRH4 Safety Relief Valve 1 107554 Parker RS SRH4 Safety Relief Valve 1
    Parker - Refrigerating Specialties: 107554, SRV, SRH4 300PSI 1X1-1/4
    List Price $801.00 List Price $801.00 Web Price $478.21
  29. 111645 Parker RS CSRH2 Safety Relief Valve 1/2 111645 Parker RS CSRH2 Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 111645, SRV, CSRH2 400PSIG 1/2X1
    List Price $604.00 List Price $604.00 Web Price $360.60
  30. 112755 Parker RS CSR1 Safety Relief Valve 1/2 112755 Parker RS CSR1 Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 112755, SRV, CSR1 220PSI 1/2X3/4
    List Price $641.00 List Price $641.00 Web Price $382.69
  31. 102742 Parker RS H3 Safety Relief Valve 1 102742 Parker RS H3 Safety Relief Valve 1
    0102742 Hussmann CHANNEL-RUBB 93 3/8
    List Price $1,942.00 List Price $1,942.00 Web Price $1,159.40
  32. 101080 Parker RS H2 Safety Relief Valve 3/4 101080 Parker RS H2 Safety Relief Valve 3/4
    101080 Refrigerating Specialties (RS) 1/2 SRV H2, 75 psi
    List Price $1,375.00 List Price $1,375.00 Web Price $820.90
  33. 101097 Parker RS H3 Safety Relief Valve 1 101097 Parker RS H3 Safety Relief Valve 1
    101097 Parker - Refrigerating Specialties: 101097, SRV, 3/4 H3 225PSI
    List Price $1,600.00 List Price $1,600.00 Web Price $955.22
  34. 101932 Parker RS H2 Safety Relief Valve 3/4 101932 Parker RS H2 Safety Relief Valve 3/4
    101932 Parker - Refrigerating Specialties SRV, 1/2 H2 60PSI
    List Price $1,375.00 List Price $1,375.00 Web Price $820.90
  35. 103206 Parker RS H2 Safety Relief Valve 3/4 103206 Parker RS H2 Safety Relief Valve 3/4
    103206 Refrigerating Specialties (RS) 1/2 SRV H2, 220 psi
    List Price $1,375.00 List Price $1,375.00 Web Price $820.90
  36. 106288 Parker RS H5 Safety Relief Valve 1-1/4 106288 Parker RS H5 Safety Relief Valve 1-1/4
    106288 Refrigerating Specialties (RS) 1-1/4 SRV H5, 285 psi
    List Price $3,153.00 List Price $3,153.00 Web Price $1,882.39
  37. 111628 Parker RS CSR2 Safety Relief Valve 1/2 111628 Parker RS CSR2 Safety Relief Valve 1/2
    111628 Parker Safety Relief Valve, CSR2 150 Psig 1/2" X 1"
    List Price $604.00 List Price $604.00 Web Price $360.60
  38. 112680 Refrigerating Specialties (RS) 3/4 x 1 SRV SRH3, 235 psi 112680 Refrigerating Specialties (RS) 3/4 x 1 SRV SRH3, 235 psi
    112680 Refrigerating Specialties (RS) 3/4 x 1 SRV SRH3, 235 psi
    List Price $628.00 List Price $628.00 Web Price $374.93
  39. 112790 Parker RS CSR1 Safety Relief Valve 1/2 112790 Parker RS CSR1 Safety Relief Valve 1/2
    112790 Refrigerating Specialties (RS) 1/2 x 3/4 SRV CSR1, 175 psi
    List Price $641.00 List Price $641.00 Web Price $382.69
  40. 112800 Parker RS CSRH1 Safety Relief Valve 1/2 112800 Parker RS CSRH1 Safety Relief Valve 1/2
    112800 Refrigerating Specialties (RS) 1/2 x 3/4 SRV CSRH1, 225 psi
    List Price $641.00 List Price $641.00 Web Price $382.69
  41. 112867 Parker RS CSRH3 Safety Relief Valve 3/4 112867 Parker RS CSRH3 Safety Relief Valve 3/4
    112867 Refrigerating Specialties (RS) 3/4 x 1 SRV CSRH3, 265 psi
    List Price $828.00 List Price $828.00 Web Price $494.33
  42. 186104 Parker RS SRH2 Safety Relief Valve 1/2 186104 Parker RS SRH2 Safety Relief Valve 1/2
    186104 Refrigerating Specialties (RS) 1/2 x 1 SRV SRH2, 175 psi
    List Price $491.00 List Price $491.00 Web Price $293.13
  43. 186287 Parker RS SR4 Safety Relief Valve 3/4 186287 Parker RS SR4 Safety Relief Valve 3/4
    186287 Refrigerating Specialties (RS) 3/4 x 1-1/2 SRV SR4, 180 psi
    List Price $951.00 List Price $951.00 Web Price $567.76
  44. 186288 Parker RS CSR1 Safety Relief Valve 1/2 186288 Parker RS CSR1 Safety Relief Valve 1/2
    186288 Refrigerating Specialties (RS) 1/2 x 3/4 SRV CSR1, 350 psi
    List Price $541.00 List Price $541.00 Web Price $322.99
  45. 186342 Parker RS SR2LQ Safety Relief Valve 3/4 186342 Parker RS SR2LQ Safety Relief Valve 3/4
    186342 Refrigerating Specialties (RS) 3/4 x 1 SRV SR2LQ, 100 psi
    List Price $657.00 List Price $657.00 Web Price $392.24
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