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ASTM Pressure and Temperature Ratings of Valves

ASTM Pressure & Temperature ratings of Valves (most common materials)


Materials
ASTM A105 N - ASTM A350 LF2
Pressure psi - °F

ASTM A105 / A350 PSI - deg.F
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Materials
ASTM A105 N - ASTM A350 LF2
Pressure bar - °C

ASTM A105 / A350 BAR - deg.C

ASTM A105 valves
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Materials
ASTM A182 F5(a)
Pressure psi - °F

ASTM A182 F5 - deg.F
Note: for temperature above 1000°F valves in class 150 lbs are limited to Butt Weld Ends only.
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Materials
ASTM A182 F5(a)
Pressure bar - °C

ASTM A182 F5 - deg.C
Note: for temperature above 540°C valves in class 150 lbs are limited to Butt Weld Ends only.


pressure temperature meter
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Materials
ASTM A182 F9
Pressure psi - °F

ASTM A182 F9 - deg.F
Note: for temperature above 1000°F valves in class 150 lbs are limited to Butt Weld Ends only.
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Materials
ASTM A182 F9
Pressure bar - °C

ASTM A182 F9 - deg.C
Note: for temperature above 540°C valves in class 150 lbs are limited to Butt Weld Ends only.


ASTM A105 valves
‎‏ 

Materials
ASTM A182 F91
Pressure psi - °F

ASTM A182 F91 - deg.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

ASTM A182 F91 - deg.C
Note: for temperature above 540°C valves in class 150 lbs are limited to Butt Weld Ends only.


pressure temperature meter
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Materials
ASTM A182 F11 CL2(b) - ASTM A182 F12 CL2(b)
Pressure psi - °F

ASTM A182 F11 CL2 - ASTM A182 F12 CL2 - deg.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

ASTM A182 F11 CL2 - ASTM A182 F12 CL2 - deg.C
Note: for temperature above 540°C valves in class 150 lbs are limited to Butt Weld Ends only.


ASTM A105 valves
‎‏ 

Materials
ASTM A182 F22 CL3(b)
Pressure psi - °F

ASTM A182 F22 CL3 - deg.F
Note: for temperature above 1000°F valves in class 150 lbs are limited to Butt Weld Ends only.
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Materials
ASTM A182 F22 CL3(b)
Pressure bar - °C

ASTM A182 F22 CL3 - deg.C
Note: for temperature above 540°C valves in class 150 lbs are limited to Butt Weld Ends only.


pressure temperature meter
‎‏ 

Materials
ASTM A182 F304(c) - ASTM A182 F304H
Pressure psi - °F

ASTM A182 F304 - ASTM A182 F304H - deg.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

ASTM A182 F304 - ASTM A182 F304H - deg.C
Note: for temperature above 540°C valves in class 150 lbs are limited to Butt Weld Ends only.


ASTM A105 valves
‎‏ 

Materials
ASTM A182 F316(c) - ASTM A182 F316H
Pressure psi - °F

ASTM A182 F316 - ASTM A182 F316H - deg.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

ASTM A182 F316 - ASTM A182 F316H - deg.C
Note: for temperature above 540°C valves in class 150 lbs are limited to Butt Weld Ends only.


pressure temperature meter
‎‏ 

Materials
ASTM A182 F304 L(d) - ASTM A182 F316 L
Pressure psi - °F

ASTM A182 F304 L - ASTM A182 F316 L - deg.F
‎‏ 

Materials
ASTM A182 F304 L(d) - ASTM A182 F316 L
Pressure bar - °C

ASTM A182 F304 L - ASTM A182 F316 L - deg.C

ASTM A105 valves
‎‏ 

Materials
ASTM A182 F321(f) - ASTM A182 F321H(g)
Pressure psi - °F

ASTM A182 F321 - ASTM A182 F321H - deg.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

ASTM A182 F321 - ASTM A182 F321H - deg.C
Note: for temperature above 540°C valves in class 150 lbs are limited to Butt Weld Ends only.


pressure temperature meter
‎‏ 

Materials
ASTM A182 F347(f) - ASTM A182 F347H(g)
Pressure psi - °F

ASTM A182 F347 - ASTM A182 F347H - deg.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

ASTM A182 F347 - ASTM A182 F347H - deg.C
Note: for temperature above 540°C valves in class 150 lbs are limited to Butt Weld Ends only.


ASTM A105 valves

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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