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Features
  • D500 Series features cap design
  • MD500 Series features cup design with manual override ring
  • Zero leakage from 0 psi up to 70% of the marked set pressure
Please specify ‘ASME’ when placing your order.
Circle Seal Pressure Relief Valve 500 Series Display Image
Unit of Measure
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D532N-2M
D500 Series ASME Safety Relief Valves 15 to 150 psig
List Price QUOTE
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D532T1-2M-ASME
D500 Series ASME Safety Relief Valves 15 to 150 psig
List Price QUOTE
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D559N-2M
D500 Series ASME Safety Relief Valves 15 to 150 psig
List Price QUOTE
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D559T1-2M-ASME
D500 Series ASME Safety Relief Valves 15 to 150 psig
List Price QUOTE
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D520N-2M
D500 Series ASME Safety Relief Valves 15 to 150 psig
List Price QUOTE
Series N/A D500
Type N/A Relief Valve
O-Ring Material N/A Viton® N/A Viton® N/A Buna N N/A Buna N N/A Teflon®
Body Material N/A Naval Brass N/A 316 Stainless Steel N/A Naval Brass N/A 316 Stainless Steel N/A Naval Brass
Valve Size N/A 1/4 in
Connections (Inlet) N/A Male pipe
Certification N/A ASME
Operating Pressure N/A 15 to 150 psig1 to 10 bar
Operating Temperature N/A -20 to 350 ºF N/A -20 to 350 ºF N/A -20 to 250 ºF N/A -20 to 250 ºF N/A -100 to 400 ºF
Set Pressure N/A 15 to 150 psig
Dim. A N/A 1.1875 in
B Hex N/A 5/8 in
C Dia. N/A 0.90 in
Optional Variation N/A Manual Override
Weight N/A .08 lbs N/A .05 lbs N/A .08 lbs N/A .05 lbs N/A .08 lbs
Shipping Weight N/A .08 Pound N/A .05 Pound N/A .08 Pound N/A .05 Pound N/A .06 Pound