Technical Specifications

18 | GE Oil & Gas
Materials of Construction
Standard Carbon Steel Version
1) 17-4 PH ST.ST will be substituted when required due to
the differential pressure.
2) 440C bushing not used in combination with 316 trim.
3) Standard material for two stage lo-db (drilled hole) cages.
4) Required for Quick Change trim only.
5) Use Solid Stellite or Equivalent plug for Cv smaller than 1.7.
6) Guide bushings not used with close clearance trim.
7) Solid Stellite or Equivalent is not available for Lo-dB/Anti-
Cavitation plugs.
Ref.
No.
Description Standard 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
(6)
Cage / Retainer
(4)
13
Close Clearance
Cage/Seat
14 Seat Ring
15 Seat Ring Gasket
16 Plug
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
15 Close Clearance Plug
Ref.
No.
Temperature Range
-20°F 450°F 650°F 800°F
(-29°C) (232°C) (343°C) (427°C)
D DD D
17-4 PH STAINLESS STEEL H1075
(1)
SOLUTION ANNEALED 316 STAINLESS STEEL
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
AUSTENITIC STAINLESS STEEL
ASTM A216 GRADE WCC or ASTM A105
ASTM A193 GRADE B7
ASTM A194 GRADE 2H
316L ST ST SPIRAL WOUND GASKET WITH GRAPHITE FILLER
Stellite or Equivalent NO. 6
SOLUTION ANNEALED 304 STAINLESS STEEL
Stellite or Equivalent NO. 6
316 STAINLESS STEEL WITH Stellite or Equivalent NO. 6 HARDFACING
316 STAINLESS STEEL WITH Stellite or Equivalent NO. 6 HARDFACING ON SEAT AND GUIDE
(5
Stellite or Equivalent NO. 6
(7)
Stellite or Equivalent NO. 6
(7)
SOLUTION ANNEALED 316 STAINLESS STEEL
ASTM A216 GRADE WCC
ASTM A216 GRADE WCC
316L ST ST SPIRAL WOUND GASKET WITH GRAPHITE FILLER
CA6NM CLASS B STAINLESS STEEL
(3)
HARDENED 440C STAINLESS STEEL
(2)
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
(5)
HARDENED 410 STAINLESS STEEL
PTFE PACKING / LE PACKING FLEXIBLE GRAPHITE PACKING