Technical Specifications

21000 Series Control Valves Technical Specifications | 19
SOLUTION ANNEALED 316 SS W/ TEFLON SEAT
Standard Stainless Steel Version
Ref.
No.
Description Standard Materials
Temperature Range
-20°F 450°F 650°F 800°F
(-29°C) (232°C) (343°C) (427°C)
DD D
Materials of Construction
1) Required for Quick Change trim only.
2) Standard material for two stage lo-db (drilled hole) cages.
3) Use Solid Stellite or Equivalent plug for Cv smaller than 1.7.
4) Guide bushings not used with close clearance trim.
5) Solid Stellite or Equivalent is not available for Lo-dB/Anti-Cavitation plugs.
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
(4)
Cage / Retainer
(1)
Close Clearance
Cage/Seat
14 Seat Ring
15 Seat Ring Gasket
16 Plug
17 Plug Pin
18 Valve Body
19 Drive Nut
13
15 Close Clearance Plug
Ref.
No.
Temperature Range
-20°F 450°F 650°F 800°F
(-29°C) (232°C) (343°C) (427°C)
DDD
D
D
ASTM B637 ALLOY
HARDENED ASTM A638 GRADE 660
SOLUTION ANNEALED 316 STAINLESS STEEL
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
ASTM A193 GR B7 – ZINC PLATING
ASTM A194 GR 2H – ZINC PLATING
FLEXIBLE GRAPHITE PACKING
ASTM A193 GRADE B7
ASTM A194 GRADE 2H
AUSTENITIC STAINLESS STEEL
Stellite or Equivalent NO. 6
ASTM A351 GRADE CF8M
316L ST ST SPIRAL WOUND GASKET WITH GRAPHITE FILLER
NITRONIC 60 ASTM A479
SOLUTION ANNEALED 304 STAINLESS STEEL
CA6NM CLASS B STAINLESS STEEL
(2)
SOLUTION ANNEALED 316 STAINLESS STEEL
SOLUTION ANNEALED 316 STAINLESS STEEL
Stellite or Equivalent NO. 6
(5)
SOLUTION ANNEALED 316 STAINLESS STEEL
ASTM A351 GRADE CF8M
ASTM A216 GRADE WCC
HARDENED 410 STAINLESS STEEL
SOLUTION ANNEALED 316 STAINLESS STEEL
HARDENED 410 STAINLESS STEEL
316 STAINLESS STEEL WITH Stellite or Equivalent NO. 6 HARDFACING
316L ST ST SPIRAL WOUND GASKET WITH GRAPHITE FILLER
316 STAINLESS STEEL WITH Stellite or Equivalent NO. 6 HARDFACING ON SEAT AND GUIDE
(3)
Stellite or Equivalent NO. 6
(5)
316 STAINLESS STEEL WITH Stellite or Equivalent NO. 6 HARDFACING ON SEAT
(3)
Stellite or Equivalent NO. 6