Technical Specifications

8 | GE Energy
St. St. ASTM A194 GR 82 Packing Flange Nut
Zinc Dichromate Carbon Steel ASTM A1053 Packing Flange
4 Packing Flange Stud 304 St. St. ASTM A193 GR B8
5 Drive Nut Carbon Steel SAE 1117 or ASTM A216 GR WCC
Materials of Construction
Standard Carbon Steel Version
Ref.
No.
Description Materials
Temperature Range
-4°F 650°F 800°F
∆
∆
Plug9
316 St.St.with Hardfaced Seat
316 St. St. ASTM 479 TY 316
316 St. St. with Hardfaced
Seat and Guide
Carbon Steel ASTM A216 Grade WCC or ASTM A1056 Valve Bonnet
1 Plug Stem
316 St. St. ASTM 479 TY 316
7 Valve Body Carbon Steel ASTM A216 Grade WCC
8 Plug Pin 316 St. St. ASTM 479 TY 316
10 Lower Flange Carbon Steel ASTM A216 Grade WCC or ASTM A105
18 Austenitic 300 Series Stainless Steel Lantern Ring (Optional)
19 Austenitic 300 Series Stainless Steel Packing Follower
316 St. St. ASTM 479 TY 316
316 St.St. with Hardfaced Seat
15
Lower Seat Ring
316 St. St. with
Hardfaced Seat
16 Upper Seat Ring
316 St. St. ASTM 479 TY 316
316 St.St. with Hardfaced Seat
316 St. St. with
Hardfaced Seat
11 Body Stud Nut Carbon Steel ASTM A194 GR 2H
12
Body Stud Alloy Steel ASTM A193 GR B7
13 Body Gasket 316L St. St. w/Flexible Graphite Filler (Spiral Wound)
14 Guide Bushing 440C St. St. ASTM A276 TY 440C
Stellite or Equivalent 6 UNS 30006
Ref.
No.
Temperature Range -20°C
343°C 427°C
∆∆ ∆
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