Technical Specifications

12 | GE Oil & Gas
Stainless Steel Construction
Ref.
No
Temperature Range
-50
o
F +425
o
F +450
o
F +500
o
F +600
o
F
-46°C +218°C +232°C +260°C +316°C
Description Standard Materials
1 Body Flanged ASTM A351 Gr CG8M Type 317
2 Ball Plug ASTM A351 Gr CG8M Type 317, Hard Chromium Plated
3
Retainer Standard (ISA S75.04)
ASTM A351 Gr CG8M Type 317
Retainer Extended (ANSI B16.10)
4 Gasket (retainer body) Flexible Graphite
5 Stem Shaft
Nitronic 50 (Standard)
ASTM A564 Gr 630 H1075 (Optional)
6 Backup Ring (flat metal seat) ASTM A240 Type 317L Stainless Steel
7 Gasket (flat metal seat) 316 Stainless Steel/Flexible Graphite
8
Seat Ring Flexible Metal ASTM A66 1/4 Hard Strain Hardened 316 Stainless Steel Sheet
Seat Ring MN-7
Seat Ring Heavy Duty Rigid Nitronic 60 Stainless Steel
9 Slot Button Head Screw Carbon Steel Plated
10 Flat Washer Carbon Steel Plated
11 Pin Shaft
Nitronic 50 (Standard)
ASTM A564 Gr 630 H1075 (Optional)
12 Cap Screw, End Flange ASTM A193 Gr B8
14 End Flange ASTM A36 Plated
15 Gasket Pin Shaft Nitrile Bound Acrylic
16 Lower Bushing
316 Stainless Steel/MN-7 Lined
Stellite
17 Upper Bushing
316 Stainless Steel/MN-7 Lined
Stellite
19 Packing Set
Crane 285K - TFE Aramid Core
Flexible Graphite
20 Packing Follower ASTM A582 Type 303 St. St.
21 O-Ring Viton
22 O-Ring Viton
23 Packing Box Flange ASTM A216 Gr WCC Plated
24 Nut, Packing Flange Stud ASTM A194 Gr 8
25 Stud, Packing Flange Alloy Steel ASTM A193 Gr B8
26 Stud, Bonnet Alloy Steel ASTM A193 Gr B8
27
Safety Pin ASTM A479 Type 316
28
Packing Adapter ASTM A479 Type 316
29
Shaft Ring ASTM A564 Gr 632
30
Radial Seal, HD Seat GFP Graphite Fiber Reinforced PTFE Seal, Hastelloy C276 Spring
31
Wave Spring, HD Seat Inconel X-750 Material (AMS 5699) Precipitation Hardened
32
Seat Support Ring, Downstream 317 Stainless Steel
Ref.
No
Temperature Range
-50
o
F +425
o
F +450
o
F +500
o
F +600
o
F
-46°C +218°C +232°C +260°C +316°C
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Materials of Construction