Technical Specifications

14 | GE Oil & Gas
Materials of Construction
Temperature Range
–320°F –58°F +400°F +500°F
–196°C –50°C +205°C +260°C
Description Materials
1 Body ASTM A494 Gr CX-2 MW
2 Seat Ring
HASTELLOY C22
HASTELLOY C22 + PTFE
3 Seat Ring Retainer HASTELLOY C22
4 Plug HASTELLOY C22
5 Shaft HASTELLOY C22
6 Spacer HASTELLOY C22
Upper Guide
1
STELLITE No. 6
7
Upper Guide
1
ALLOY 25
Upper Guide
1
ULTIMET
Upper Guide + O-Ring
1
STELLITE No. 6 + VITON
Lower Guide
1
STELLITE No. 6
8
Lower Guide
1
ALLOY 25
Upper Guide
1
ULTIMET
Lower Guide + O-Ring
1
STELLITE No. 6 + VITON
9 Safety Pin HASTELLOY C22
11
Packing Follower HASTELLOY C22
O-Ring VITON
12 Packing PTFE + KEVLAR
13 Packing Flange ASTM A182 Gr F304
14 Packing Flange Stud 304 St. St. ASTM A193 Gr B8
15 Packing Flange Stud Nut 304 St. St. ASTM A194 Gr 8
16 Packing Box Ring HASTELLOY C22
19 Body Stud 304 St. St. ASTM A193 Gr B8
20 Body Stud Nuts 304 St. St. ASTM A194 Gr 8
25 DVD Low Noise Plate HASTELLOY C22
∇ ∇∇ ∇
Ref.
No.
1.
Material selection must be based on fluid properties and compatibility.
Hastelloy C Construction 1 in. to 4 in.
Note: Standard materials and processes are in accordance with the requirements of NACE specification MR0103. Applications requiring compliance
to MR0175-2003 or ISO 15156 must be reviewed by GE.