Technical Specifications

20 | GE Oil & Gas
SOLUTION ANNEALED 316 STAINLESS STEEL
Materials of Construction
Standard Chrome Moly Version
Ref.
No.
Description Materials
1 Plug Stem
2 Packing Flange Stud
3 Packing Flange Nut
4 Packing Flange
5 Packing Follower
6 Packing
7 Lantern Ring (Optional)
8 Valve Bonnet
9 Body Stud
10 Body Stud Nut
11 Body Gasket
12 Guide Bushing
(5)
Cage / Retainer
(2)
13
Close Clearance
Cage/Seat
14 Seat Ring
15 Seat Ring Gasket
17 Plug Pin
18 Valve Body
19 Drive Nut
Temperature Range
-20°F 450°F 650°F 800°F
(-29°C) (232°C) (343°C) (427°C)
DD D D
Ref.
No.
Temperature Range
-20°F 450°F 650°F 800°F
(-29°C) (232°C) (343°C) (427°C)
D DDD
15 Close Clearance Plug
17-4 PH STAINLESS STEEL H1075
(1)
HARDENED ASTM A638 GRADE 660
ASTM B637 ALLOY
ASTM A193 GRADE B8 CLASS 1
ASTM A194 GRADE 8
ASTM A216 GRADE WCC ZINC PLATING
AUSTENITIC STAINLESS STEEL
PTFE PACKING / LE PACKING WITH EXTENSION BONNET
PTFE PACKING / LE PACKING FLEXIBLE GRAPHITE PACKING
ASTM A194 GRADE 2H
SOLUTION ANNEALED 304 STAINLESS STEEL
316 STAINLESS STEEL WITH Stellite or Equivalent NO. 6 HARDFACING
316 STAINLESS STEEL WITH Stellite or Equivalent NO. 6 HARDFACING ON SEAT AND GUIDE
(4)
Stellite or Equivalent NO. 6
(6)
ASTM A217 GRADE WC9 CLASS 3
AUSTENITIC STAINLESS STEEL
316L ST ST SPIRAL WOUND GASKET WITH GRAPHITE FILLER
CA6NM CLASS B STAINLESS STEEL
(3)
316L ST ST SPIRAL WOUND GASKET WITH GRAPHITE FILLER
Stellite or Equivalent NO. 6
(6)
SOLUTION ANNEALED 316 STAINLESS STEEL
ASTM A216 GRADE WCC
Stellite or Equivalent NO. 6
ASTM A217 GRADE WC9 CLASS 3
HARDENED 440C STAINLESS STEEL
SOLUTION ANNEALED 316 STAINLESS STEEL
SOLUTION ANNEALED 316 STAINLESS STEEL
HARDENED 410 STAINLESS STEEL
SOLUTION ANNEALED 316 STAINLESS STEEL
SOLUTION ANNEALED 316 SS W/ TEFLON SEAT
HARDENED 410 STAINLESS STEEL
316 STAINLESS STEEL WITH Stellite or Equivalent NO. 6 HARDFACING ON SEAT
(4)
HARDENED 410 STAINLESS STEEL
ASTM A193 GRADE B7
SOLUTION ANNEALED 304 STAINLESS STEEL
Stellite or Equivalent NO. 6
1) 17-4 PH ST.ST will be substituted when required due to the
differential pressure.
2) Required for Quick Change trim only.
3) Standard material for two stage lo-db (drilled hole) cages.
4) Use Solid Stellite or Equivalent plug for Cv smaller than 1.7.
5) Guide bushings not used with close clearance trim.
6) Solid Stellite or Equivalent is not available for Lo-dB/Anti-Cavitation plugs.
16 Plug