Technical Specifications
26 | GE Oil & Gas
ASTM A351 GRADE CF8M or ASTM A182 GRADE F 316
316 St. St. ASTM A269 TY 316
ASTM A351 GRADE CF8M
SOLUTION ANNEALED 316 STAINLESS STEEL
ASTM A479
316 St. St. ASTM A240/A312
GENERAL SERVICE ANNEALED 316L ST ST
ASTM B574
Stellite or Equivalent NO. 6
Hastelloy C276 ASTM B575/B622
ASTM B574
ASTM B164 CLASS A
Stellite or Equivalent NO. 6
ASTM B164 CLASS A
ASTM B164 CLASS A
INCONEL X-750
Stellite or Equivalent NO. 6
ASTM B446
ASTM B446
AUSTENITIC STAINLESS STEEL
25 Valve Stud ASTM A351 GRADE CF8M or ASTM A182 GRADE F 316
26 Bonnet Stud ASTM A193 GR B7 – ZINC PLATING ASTM A193 GRADE B7
27 Bonnet Stud Nut ASTM A194 GR 2H – ZINC PLATING ASTM A194 GRADE 2H
28 Bonnet Spacer Gasket 316L ST ST SPIRAL WOUND GASKET WITH GRAPHITE FILLER
Ref.No.
Bellows Seal - Stainless Steel Body Version
(1)
Ref.
No.
1) Materials for other components are same as listed for Standard Stainless Steel Construction. 2) Items
No. 1 (plug stem) and 8 (bonnet) in Standard Materials of Construction tables are replaced by items above. 3) Optional Hastelloy
C, Monel 400 and Inconel 625 Bellows Construction available.
Carbon Steel
Bonnet
Extension
Assembly
29
Upper Flange
Spacer
Lower Flange
Stainless Steel
Bellows
and Stem
Assembly
Stem
Guide Bushing
Bellows
Upper Adapter
Lower Adapter
Hastelloy
C
(3)
Bellows and
Stem Assembly
Stem
Guide Bushing
Bellows
Upper Adapter
Lower
Monel 400
(3)
Bel-
lows and Stem
Assembly
Stem
Guide Bushing
Bellows
Upper Adapter
Lower
Inconel 625
(3)
Bellows and
Stem
Assembly
Stem
Guide Bushing
Bellows
Upper Adapter
Lower
30
31 Plug – 1/8" NPT
Temperature Range
-20°F (-29°C) 650°F (343°C) 800°F (427°C)
Description Materials
DD
Temperature Range -20°F (-29°C) 650°F (343°C) 800°F (427°C)
D D
Materials of Construction
D
D