Technical Specifications

14 | GE Oil & Gas
Materials of Construction
Ref. No.
Temperature Range
-20°F 450°F
Description Standard Operating Materials
(1)
1 Plug Stem
316 St. St. ASTM A479 TY 316 (HRC 22 Max.)
ASTM A638 Gr 660
(2)
2 Packing Flange Nut
304 St. St. ASTM A194 Gr 8
(3)
(non exposed)
Alloy Steel ASTM A194 Gr 8A
(4)
(exposed)
3 Packing Flange Zinc Dichromate Carbon Steel ASTM A105
4 Packing Flange Stud 304 St. St. ASTM A193 GR B8 (exposed and non exposed)
5 Drive Nut
Carbon Steel SAE 1117
(3)
Carbon Steel ASTM A105 or SAE 1010-1025
(4)
6 Valve Bonnet
Carbon Steel ASTM A216 Grade WCC (HRC 22 Max.)
Carbon Steel ASTM A105 (HRC 22 Max.)
316 St. St. ASTM A351 Gr CF8M (HRC 22 Max.)
7 Valve Body
Carbon Steel ASTM A216 Grade WCC (HRC 22 Max.)
316 St. St. ASTM A351 Gr CF8M (HRC 22 Max.)
8 Plug Pin 316 St. St. ASTM A479 TY 316 (HRC 22 Max.)
9
Plug
316 St. St. ASTM A479 TY 316 (HRC 22 Max.)
316 St. St. ASTM A479 TY 316 with Hardfaced Seat (HRC 22 Max.)
9A - Upper Skirt
(6)
316 St. St. ASTM A479 TY 316 (HRC 22 Max.)
316 St. St. ASTM A479 TY 316 with Hardfaced Seat (HRC 22 Max.)
9B - Plug Gasket
(6)
316 St. St. ASTM A479 TY 316 (HRC 22 Max.)
9C - Lower Skirt
(6)
316 St. St. ASTM A479 TY 316 (HRC 22 Max.)
316 St. St. ASTM A479 TY 316 with Hardfaced Seat (HRC 22 Max.)
9D - Jam Nuts
(6)
ASTM A194 Gr. 8M
10 Lower Flange
Carbon Steel ASTM A216 Grade WCC (HRC 22 Max.)
Carbon Steel ASTM A105 (HRC 22 Max.)
316 St. St. ASTM A351 Gr CF8M (HRC 22 Max.)
ASTM A194 GR 2H Zinc Plating
(3)(5)
(non exposed)
ASTM A194 Gr 2HM Zinc Plating
(4)(5)
(exposed)
11 Body Stud Nut
ASTM A194 GR 2H
(3)
(non exposed)
ASTM A194 Gr 2HM
(4)
(exposed)
Ref. No. Temperature Range -29°C 232°C
Standard NACE Version
Valve Sizes: 0.75” to 12” (20mm to 300mm)
Body Ratings: ASME Class 150 to 600