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ASTM Pressure & Temperature ratings of Valves (most common materials) |
Materials
ASTM A105 N - ASTM A350 LF2
Pressure psi - °F
Materials
ASTM A105 N - ASTM A350 LF2
Pressure bar - °C
Materials
ASTM A182 F5(a)
Pressure psi - °F
Note: for temperature above 1000°F valves in class 150 lbs are
limited to Butt Weld Ends only.
Materials
ASTM A182 F5(a)
Pressure bar - °C
Note: for temperature above 540°C valves in class 150 lbs are
limited to Butt Weld Ends only.
Materials
ASTM A182 F9
Pressure psi - °F
Note: for temperature above 1000°F valves in class 150 lbs are
limited to Butt Weld Ends only.
Materials
ASTM A182 F9
Pressure bar - °C
Note: for temperature above 540°C valves in class 150 lbs are
limited to Butt Weld Ends only.
Materials
ASTM A182 F91
Pressure psi - °F
Note: for temperature above 1000°F valves in class 150 lbs are
limited to Butt Weld Ends only.
Materials
ASTM A182 F91
Pressure bar - °C
Note: for temperature above 540°C valves in class 150 lbs are
limited to Butt Weld Ends only.
Materials
ASTM A182 F11 CL2(b) - ASTM A182 F12 CL2(b)
Pressure psi - °F
Note: for temperature above 1000°F valves in class 150 lbs are
limited to Butt Weld Ends only.
Materials
ASTM A182 F11 CL2(b) - ASTM A182 F12 CL2(b)
Pressure bar - °C
Note: for temperature above 540°C valves in class 150 lbs are
limited to Butt Weld Ends only.
Materials
ASTM A182 F22 CL3(b)
Pressure psi - °F
Note: for temperature above 1000°F valves in class 150 lbs are
limited to Butt Weld Ends only.
Materials
ASTM A182 F22 CL3(b)
Pressure bar - °C
Note: for temperature above 540°C valves in class 150 lbs are
limited to Butt Weld Ends only.
Materials
ASTM A182 F304(c) - ASTM A182 F304H
Pressure psi - °F
Note: for temperature above 1000°F valves in class 150 lbs are
limited to Butt Weld Ends only.
Materials
ASTM A182 F304(c) - ASTM A182 F304H
Pressure bar - °C
Note: for temperature above 540°C valves in class 150 lbs are
limited to Butt Weld Ends only.
Materials
ASTM A182 F316(c) - ASTM A182 F316H
Pressure psi - °F
Note: for temperature above 1000°F valves in class 150 lbs are
limited to Butt Weld Ends only.
Materials
ASTM A182 F316(c) - ASTM A182 F316H
Pressure bar - °C
Note: for temperature above 540°C valves in class 150 lbs are
limited to Butt Weld Ends only.
Materials
ASTM A182 F304 L(d) - ASTM A182 F316 L
Pressure psi - °F
Materials
ASTM A182 F304 L(d) - ASTM A182 F316 L
Pressure bar - °C
Materials
ASTM A182 F321(f) - ASTM A182 F321H(g)
Pressure psi - °F
Note: for temperature above 1000°F valves in class 150 lbs are
limited to Butt Weld Ends only.
Materials
ASTM A182 F321(f) - ASTM A182 F321H(g)
Pressure bar - °C
Note: for temperature above 540°C valves in class 150 lbs are
limited to Butt Weld Ends only.
Materials
ASTM A182 F347(f) - ASTM A182 F347H(g)
Pressure psi - °F
Note: for temperature above 1000°F valves in class 150 lbs are
limited to Butt Weld Ends only.
Materials
ASTM A182 F347(f) - ASTM A182 F347H(g)
Pressure bar - °C
Note: for temperature above 540°C valves in class 150 lbs are
limited to Butt Weld Ends only.
General notes:
- (a) - Permissible, but not recommended for prolonged use above 800°F (427°C)
- (b) - Permissible, but not recommended for prolonged use above 1100°F (593°C)
- (c) - At temperatures over 1000°F (540°C), use only when the carbon content is 0.04% or higher
- (d) - Not to be used over 800°F (427°C)
- (f) - Not to be used over 1000°F (540°C)
- (g) - At temperatures over 1000°F (540°C), use only if the material is heat treated by heating to a minimum temperature of 2000°F (1093°C)
Ratings are in accordance with ASME B16.34. Flanged end valves are rated as Standard. A rating temperature greater than 1000°F (540°C) does not apply to thread end valves..
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