Cast Steel Valves

  
 
Pressure Seal Swing Check Valves
Class 900 / 1500 / 2500

Pressure seal cover, Swing type disc, Welded or threaded seat ring.

Description:
Design and manufacture: ANSI B16.34
Test and inspection: API 598 .
Face to face dimensions:ANSI B16.10
Butt-welding ends: ANSI B16.25
End flange dimensions: ANSI B16.5
Size: 2" ~ 16"
 
Materials of body/bonnet and trim
Body/bonnetWCB, WC1, WC6, WC9, C5, CF8, CF8M, CF3 and CF3M etc.
Trim (Disc/body seat) F6/F6, 304/304, HF/HF, F6/HF, Monel/Monel, 316/316, Monel/HF and 316/HF etc.
 
Standard materials of parts
No.
Parts
Materials
1
Body
A216 WCB
2
Seat ring
A105 + HF
3
Disc
A216 WCB + F6
4
Disc nut
AISI 410
5
Set screw
AISI 410
6
Hinge
A216 WCB
7
Hing pin
A182 F6
8
Holder
AISI 410
9
Back ring
AISI 410
10
Name plate
AISI 304
11
Rivet
AISI 304
12
Supporter
Carbon steel
13
Cover
A216 WCB
14
Hook screw
Carbon steel
15
Nut
A192 2H
16
Bolt
A193 B7
17
Washer
Carbon steel
18
Split ring
Carbon steel
19
Seal ring
AISI 316L
20
Set screw
Carbon steel
21
Screw
Carbon steel