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 Valves
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Fittings
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| Pressure Seal Swing Check Valves |
| Class 900 / 1500 / 2500 |
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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" |
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| Materials of body/bonnet and trim |
| Body/bonnet |
WCB, 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. |
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| 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 |
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