Technical Specifications
21000 Series Control Valves Technical Specifications | 21
SOLUTION ANNEALED 316 STAINLESS STEEL
ASTM B637 ALLOY
(2)
ASTM A193 GRADE B8 CLASS 1
(3)
ASTM A193 GR B7M ZINC PLATING
(4)
ASTM A194 GRADE 8
(3)
ASTM A194 GR 2HM ZINC PLATING
(4)
ASTM A216 GRADE WCC ZINC PLATING
SOLUTION ANNEALED 304 STAINLESS STEEL
PTFE PACKING / LE PACKING
SOLUTION ANNEALED 304 STAINLESS STEEL
ASTM A216 GRADE WCC
ASTM A105
ASTM A351 GRADE CF8M
ASTM A193 GR B7 – ZINC PLATING
(3)
(7)
ASTM A193 GR B7M ZINC PLATING
(4) (7)
ASTM A193 GRADE B7
(3)
ASTM A193 GRADE B7M
(4)
ASTM A194 GR 2H – ZINC PLATING
(3) (7)
ASTM A194 GR 2HM ZINC PLATING
(4) (7)
ASTM A194 GRADE 2H
(3)
ASTM A194 GRADE 2HM
(4)
316L ST ST SPIRAL WOUND GASKET WITH GRAPHITE FILLER
Stellite or Equivalent NO. 6
SOLUTION ANNEALED 304 STAINLESS STEEL
SOLUTION ANNEALED 316 STAINLESS STEEL
Stellite or Equivalent NO. 6
SOLUTION ANNEALED 316 STAINLESS STEEL
316 STAINLESS STEEL WITH Stellite or Equivalent NO. 6 HARDFACING
316L ST ST SPIRAL WOUND GASKET WITH GRAPHITE FILLER
SOLUTION ANNEALED 316 STAINLESS STEEL
316 STAINLESS STEEL WITH Stellite or Equivalent NO. 6 HARDFACING ON SEAT
316 STAINLESS STEEL WITH Stellite or Equivalent NO. 6 HARDFACING ON SEAT AND GUIDE
Stellite or Equivalent NO. 6
(6) (9)
Stellite or Equivalent NO. 6
(6) (9)
SOLUTION ANNEALED 316 STAINLESS STEEL
ASTM A351 GRADE CF8M
ASTM A216 GRADE WCC
NACE Materials Construction
Ref.
No.
Description NACE Materials
(1)
Temperature Range
-20°F 450°F
(-29°C) (232°C)
D D
Materials of Construction
1) Materials and processes in accordance with the requirements of NACE specification MR0103.
Applications requiring compliance to MR0175, 2003 Rev. or ISO 15156 would require engineering review.
2) Inconel 718 will be substituted in applications when required due to the differential pressure.
3) Materials designated for these parts conform to NACE Class III (unexposed) bolting requirements.
4) Materials designated for these parts conform to NACE Class I or Class II (exposed) bolting requirements.
5) Consult Masoneilan for NACE Applications above ANSI Class 600 (PN 100) rating or above 450°F (232°C).
6) Optional component and materials for Close Clearance low flow trim option.
7) To be used with stainless steel body and bonnet.
8) Guide bushing not used with close clearance trim.
9) 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
(8)
Cage / Retainer
(4)
Close Clearance
Cage/Seat
(6)
14 Seat Ring
15 Seat Ring Gasket
16
Plug
17 Plug Pin
Close Clearance Plug
18 Valve Body
19 Drive Nut
13