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500 Series Relief Valves 0.5 to 150 psig
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500 Series Relief Valves 0.5 to 150 psig
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Unit of Measure
Imperial
Metric
Both
Specifications
Variation
Inline
Popoff
Popoff with deflector cap
Cryogenic Service
Body Material
Brass
316 Stainless Steel
Aluminum
Seal Material
1
No Preference
Buna N
Ethylene Propylene
Neoprene
Silicone
Teflon®
Viton®
Valve Size (in)
No Preference
1/8
1/4
3/8
1/2
3/4
1
1 1/4
End Connection
Pipe Thread Male
Pipe Thread Male/Female
Operating Pressure (psig)
0.5 to 150
Operating Pressure (bar)
0 to 10
Operating Temperature (ºF)
No Preference
-100 to 400
-20 to 400
-320 to 165
-40 to 300
-65 to 275
-65 to 300
-70 to 450
1
520 Series: -100° F to +400° F (-73°C to +204°C) Teflon® o-ring
K520 Series: -320° F to +165° F (-196°C to +74°C) Polished Teflon® o-ring, cryogenic testing and serialization
580 Series: Polished Teflon® o-ring
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