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Static Pressure Versus Temperature Ratings
F-27414-1 © Copyright 2006 TAC. All Rights Reserved. 169
Maximum Temperature and Pressure Ratings for Globe Valve Bodies
Ratings conform with published values and disclaimer.
• Cast Bronze: Screwed & Union End Fittings (VB-9XXX-0-4-P, VB-72XX-0-X-P).
• Bronze:
- ASTM B584.
- Pressure to ANSI B16.15 Class 250 with 400 psi up to 150°F
decreasing to 346 psi at 281°F.
- 316 stainless trim metal/metal or EPDM rubber disc with TFE packing parts/silicone
packing grease.
• 316 Stainless Bodies (VBS-XXXX)
- Casting alloy CF8M.
- Pressure to ANSI B16.15 Class 250 with 400 psi up to 150°F
decreasing to 346 psi at 281°F.
• Cast Iron:
- Flanged End Fittings (VB-9XXX-0-5-P).
- Materials: ASTM A126 Class B.
- ANSI B16.1 Class 125 with 200 psi up to 150°F
decreasing to 169 psi at 281°F.
Caution: Do not use valves beyond rating of piping system and components.
Consult ANSI B16.22 for ratings of solder joint pressure fittings.
Static
Pressur
e Versus
Tempera
ture
Ratings
Pressure—psig (kPa)
100
(689)
50
(345)
0 150
(1034)
200
(1379)
250
(1724)
300
(2068)
350
(2458)
400
(2758)
50 (10)
100 (38)
150 (65)
200 (93)
281 (138)
300 (149)
340 (171)
400 (204)
Temperature— F ( C)
Limits for
VB-721X, 921X,
VB-722X, 922X,
VB-73XX, 93XX
Limits for
VB-93X3-0-5
Limits for
VB-92X3-0-5
165
(1138)
169
(1166)
286
(1973)
321
(2218)
Limits for
VB-725X, VB-726X,
VBS-925X, VBS-926X
Limits for
VB-727X, -728X,
VBS-727X, -728X