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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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  1. 107069 Parker RS SRH3 Safety Relief Valve 3/4 107069 Parker RS SRH3 Safety Relief Valve 3/4
    107069 Parker RS SRH3 Safety Relief Valve 3/4" x 1" 250 psi
    List Price $499.00 List Price $499.00 Web Price $276.70
  2. 107063 Parker RS SRH2 Safety Relief Valve 1/2 107063 Parker RS SRH2 Safety Relief Valve 1/2
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    107063 Parker RS SRH2 Safety Relief Valve 1/2" x 1" 250 psi
    List Price $369.00 List Price $369.00 Web Price $197.86
  3. 107045 Parker RS SR3 Safety Relief Valve 3/4 107045 Parker RS SR3 Safety Relief Valve 3/4
    107045 Parker RS SR3 Safety Relief Valve 3/4" x 1-1/4" 250 psi
    List Price $671.00 List Price $671.00 Web Price $361.24
  4. 107058 Parker RS SRH1 Safety Relief Valve 1/2 107058 Parker RS SRH1 Safety Relief Valve 1/2
    107058 Parker RS SRH1 Safety Relief Valve 1/2" x 3/4" 300 psi
    List Price $353.00 List Price $353.00 Web Price $204.64
  5. 107057 Parker RS SRH1 Safety Relief Valve 1/2 107057 Parker RS SRH1 Safety Relief Valve 1/2
    107057 Parker RS SRH1 Safety Relief Valve 1/2" x 3/4" 250 psi
    List Price $353.00 List Price $353.00 Web Price $226.18
  6. 107576 Parker RS SRH3 Safety Relief Valve 3/4 107576 Parker RS SRH3 Safety Relief Valve 3/4
    107576 Parker RS SRH3 Safety Relief Valve 3/4" x 1" 275 psi
    List Price $593.00 List Price $593.00 Web Price $343.77
  7. 107040 Parker RS SR2 Safety Relief Valve 1/2 107040 Parker RS SR2 Safety Relief Valve 1/2
    107040 Parker RS SR2 Safety Relief Valve 1/2" x 1" 300 psi
    List Price $418.00 List Price $418.00 Web Price $242.32
  8. 101122 Parker RS H5 Safety Relief Valve 1-1/4 101122 Parker RS H5 Safety Relief Valve 1-1/4
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    101122 Parker RS H5 Pressure Relief Valve 1-1/4" x 2" 300 psi
    List Price $2,654.00 List Price $2,654.00 Web Price $1,602.17
  9. 107031 Parker RS SR1 Safety Relief Valve 1/2 107031 Parker RS SR1 Safety Relief Valve 1/2
    107031 Parker RS SR1 Safety Relief Valve 1/2" x 3/4" 150 psi
    List Price $371.00 List Price $371.00 Web Price $215.07
  10. 107037 Parker RS SR2 Safety Relief Valve 1/2 107037 Parker RS SR2 Safety Relief Valve 1/2
    107037 Parker RS SR2 Safety Relief Valve 1/2" x 1" 150 psi
    List Price $418.00 List Price $418.00 Web Price $242.32
  11. 107061 Parker RS SRH2 Safety Relief Valve 1/2 107061 Parker RS SRH2 Safety Relief Valve 1/2
    107061 Parker RS SRH2 Safety Relief Valve 1/2" x 1" 150 psi
    List Price $369.00 List Price $369.00 Web Price $213.91
  12. 107556 Parker RS SRH5 Safety Relief Valve 1-1/4 107556 Parker RS SRH5 Safety Relief Valve 1-1/4
    107556 Parker RS SRH5 Safety Relief Valve 1-1/4" x 1-1/2" 150 psi
    List Price $1,409.00 List Price $1,409.00 Web Price $816.81
  13. 111648 Parker RS CSRH3 Safety Relief Valve 3/4 111648 Parker RS CSRH3 Safety Relief Valve 3/4
    111648 Parker RS CSRH3 Pressure Relief Valve 3/4" x 1" 250 psi
    List Price $687.00 List Price $687.00 Web Price $398.26
  14. SRV-CSR/CSRH Parker RS SRV-CSR/CSRH Parker RS
    Parker RS "CSR/CSRH Series" Cartridge Pressure Relief Valves
    List Price $1,961.00 List Price $1,961.00 As low as $275.10
  15. 101116 Parker RS H5 Safety Relief Valve 1-1/4 101116 Parker RS H5 Safety Relief Valve 1-1/4
    101116 Parker RS H5 Pressure Relief Valve 1-1/4" x 2" 150 psi
    List Price $2,654.00 List Price $2,654.00 Web Price $1,538.55
  16. 107039 Parker RS SR2 Safety Relief Valve 1/2 107039 Parker RS SR2 Safety Relief Valve 1/2
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    107039 Parker RS SR2 Safety Relief Valve 1/2" x 1" 250 psi
    List Price $418.00 List Price $418.00 Web Price $242.32
  17. 107067 Parker RS SRH3 Safety Relief Valve 3/4 107067 Parker RS SRH3 Safety Relief Valve 3/4
    SHIPS TODAY
    107067 Parker RS SRH3 Safety Relief Valve 3/4" x 1" 150 psi
    List Price $499.00 List Price $499.00 Web Price $289.28
  18. 107553 Parker RS SRH4 Safety Relief Valve 1 107553 Parker RS SRH4 Safety Relief Valve 1
    107553 Parker RS SRH4 Safety Relief Valve 1" x 1-1/4" 250 psi
    List Price $756.00 List Price $756.00 Web Price $438.26
  19. 107554 Parker RS SRH4 Safety Relief Valve 1 107554 Parker RS SRH4 Safety Relief Valve 1
    107554 Parker RS SRH4 Safety Relief Valve 1" x 1-1/4" 300 psi
    List Price $756.00 List Price $756.00 Web Price $438.26
  20. 112755 Parker RS CSR1 Safety Relief Valve 1/2 112755 Parker RS CSR1 Safety Relief Valve 1/2
    112755 Parker RS CSR1 Pressure Relief Valve 1/2" x 3/4" 220 psi
    List Price $605.00 List Price $605.00 Web Price $350.72
  21. 101079 Parker RS H2 Safety Relief Valve 3/4 101079 Parker RS H2 Safety Relief Valve 3/4
    101079 Parker RS H2 Pressure Relief Valve 3/4" x 1" 50 psi
    List Price $975.00 List Price $975.00 Web Price $565.22
  22. 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 $1,298.00 List Price $1,298.00 Web Price $752.46
  23. 101081 Parker RS H2 Safety Relief Valve 3/4 101081 Parker RS H2 Safety Relief Valve 3/4
    101081 Parker RS H2 Pressure Relief Valve 3/4" x 1" 100 psi
    List Price $975.00 List Price $975.00 Web Price $565.22
  24. 101082 Parker RS H2 Safety Relief Valve 3/4 101082 Parker RS H2 Safety Relief Valve 3/4
    101082 Parker RS H2 Pressure Relief Valve 3/4" x 1" 125 psi
    List Price $1,298.00 List Price $1,298.00 Web Price $752.46
  25. 101083 Parker RS H2 Safety Relief Valve 3/4 101083 Parker RS H2 Safety Relief Valve 3/4
    101083 Parker RS H2 Pressure Relief Valve 3/4" x 1" 150 psi
    List Price $975.00 List Price $975.00 Web Price $609.95
  26. 101084 Parker RS H2 Safety Relief Valve 3/4 101084 Parker RS H2 Safety Relief Valve 3/4
    101084 Parker RS H2 Pressure Relief Valve 3/4" x 1" 175 psi
    List Price $1,298.00 List Price $1,298.00 Web Price $752.46
  27. 101085 Parker RS H2 Safety Relief Valve 3/4 101085 Parker RS H2 Safety Relief Valve 3/4
    101085 Parker RS H2 Pressure Relief Valve 3/4" x 1" 200 psi
    List Price $975.00 List Price $975.00 Web Price $565.22
  28. 101086 Parker RS H2 Safety Relief Valve 3/4 101086 Parker RS H2 Safety Relief Valve 3/4
    101086 Parker RS H2 Pressure Relief Valve 3/4" x 1" 225 psi
    List Price $1,298.00 List Price $1,298.00 Web Price $752.46
  29. Parker RS SRV 1/2 Parker RS SRV 1/2
    SHIPS TODAY
    101087 Parker RS H2 Pressure Relief Valve 1/2" x 1" 250 psi
    List Price $975.00 List Price $975.00 Web Price $483.21
  30. 101088 Parker RS H2 Safety Relief Valve 3/4 101088 Parker RS H2 Safety Relief Valve 3/4
    101088 Parker RS H2 Pressure Relief Valve 3/4" x 1" 275 psi
    List Price $1,298.00 List Price $1,298.00 Web Price $752.46
  31. 101089 Parker RS H2 Safety Relief Valve 3/4 101089 Parker RS H2 Safety Relief Valve 3/4
    101089 Parker RS H2 Pressure Relief Valve 3/4" x 1" 300 psi
    List Price $975.00 List Price $975.00 Web Price $565.22
  32. 101090 Parker RS H3 Safety Relief Valve 1 101090 Parker RS H3 Safety Relief Valve 1
    101090 Parker RS H3 Pressure Relief Valve 1" x 1-1/4" 50 psi
    List Price $1,511.00 List Price $1,511.00 Web Price $875.94
  33. 101091 Parker RS H3 Safety Relief Valve 1 101091 Parker RS H3 Safety Relief Valve 1
    101091 Parker RS H3 Pressure Relief Valve 1" x 1-1/4" 75 psi
    List Price $1,834.00 List Price $1,834.00 Web Price $1,063.19
  34. 101092 Parker RS H3 Safety Relief Valve 1 101092 Parker RS H3 Safety Relief Valve 1
    101092 Parker RS H3 Pressure Relief Valve 1" x 1-1/4" 100 psi
    List Price $1,511.00 List Price $1,511.00 Web Price $875.94
  35. 101093 Parker RS H3 Safety Relief Valve 1 101093 Parker RS H3 Safety Relief Valve 1
    101093 Parker RS H3 Pressure Relief Valve 1" x 1-1/4" 125 psi
    List Price $1,834.00 List Price $1,834.00 Web Price $1,063.19
  36. 101094 Parker RS H3 Safety Relief Valve 1 101094 Parker RS H3 Safety Relief Valve 1
    101094 Parker RS H3 Pressure Relief Valve 1" x 1-1/4" 150 psi
    List Price $1,511.00 List Price $1,511.00 Web Price $875.94
  37. 101095 Parker RS H3 Safety Relief Valve 1 101095 Parker RS H3 Safety Relief Valve 1
    101095 Parker RS H3 Pressure Relief Valve 1" x 1-1/4" 175 psi
    List Price $1,834.00 List Price $1,834.00 Web Price $1,063.19
  38. 101096 Parker RS H3 Safety Relief Valve 1 101096 Parker RS H3 Safety Relief Valve 1
    101096 Parker RS H3 Pressure Relief Valve 1" x 1-1/4" 200 psi
    List Price $1,511.00 List Price $1,511.00 Web Price $875.94
  39. 101097 Parker RS H3 Safety Relief Valve 1 101097 Parker RS H3 Safety Relief Valve 1
    101097 Parker RS H3 Pressure Relief Valve 1" x 1-1/4" 225 psi
    List Price $1,834.00 List Price $1,834.00 Web Price $1,063.19
  40. 101098 Parker RS H3 Safety Relief Valve 1 101098 Parker RS H3 Safety Relief Valve 1
    101098 Parker RS H3 Pressure Relief Valve 1" x 1-1/4" 250 psi
    List Price $1,511.00 List Price $1,511.00 Web Price $837.86
  41. 101099 Parker RS H3 Safety Relief Valve 1 101099 Parker RS H3 Safety Relief Valve 1
    101099 Parker RS H3 Pressure Relief Valve 1" x 1-1/4" 275 psi
    List Price $1,834.00 List Price $1,834.00 Web Price $1,063.19
  42. 101100 Parker RS H3 Safety Relief Valve 1 101100 Parker RS H3 Safety Relief Valve 1
    SHIPS TODAY
    101100 Parker RS H3 Pressure Relief Valve 1" x 1-1/4" 300 psi
    List Price $1,511.00 List Price $1,511.00 Web Price $875.94
  43. 101101 Parker RS H4 Safety Relief Valve 1-1/4 101101 Parker RS H4 Safety Relief Valve 1-1/4
    101101 Parker RS H4 Pressure Relief Valve 1-1/4" x 1-1/2" 50 psi
    List Price $1,985.00 List Price $1,985.00 Web Price $1,150.72
  44. 101102 Parker RS H4 Safety Relief Valve 1-1/4 101102 Parker RS H4 Safety Relief Valve 1-1/4
    101102 Parker RS H4 Pressure Relief Valve 1-1/4" x 1-1/2" 75 psi
    List Price $2,308.00 List Price $2,308.00 Web Price $1,337.97
  45. 101103 Parker RS H4 Safety Relief Valve 1-1/4 101103 Parker RS H4 Safety Relief Valve 1-1/4
    101103 Parker RS H4 Pressure Relief Valve 1-1/4" x 1-1/2" 100 psi
    List Price $1,985.00 List Price $1,985.00 Web Price $1,150.72
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