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 Valves
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Fittings
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| Pressure Seal Gate Valves |
| Class 900 / 1500 / 2500 |
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Outside screw & yoke, Rising stem, Flexible or solid wedge, 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. |
Type of operation: handwheel, gear, electric or pneumatic actuator etc. |
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| Standard materials of parts |
No. |
Parts |
Materials |
1 |
Body |
A216 WCB |
2 |
Seat ring |
A105 + HF |
3 |
Wedge |
A216 WCB + F6 |
4 |
Stem |
A182 F6 |
5 |
Stuffing box |
A216 WCB |
6 |
Seal ring |
AISI 316L |
7 |
Split ring |
Carbon steel |
8 |
Back ring |
Carbon steel |
9 |
Bolt |
A193 B7 |
10 |
Nut |
A194 2H |
11 |
Yoke |
A216 WCB |
12 |
Bolt |
A193 B7 |
13 |
Nut |
A194 2H |
14 |
Packing plate |
AISI 410 |
15 |
Packing |
Flexible graphite or PTFE |
16 |
Split pin |
Carbon steel |
17 |
Eyebolt |
A193 B7 |
18 |
Gland |
A182 F6 |
19 |
Gland flange |
A105 |
20 |
Nut |
A192 2H |
21 |
Stud |
A193 B7 |
22 |
Stem nut |
A439-D2 |
23 |
Gear box |
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24 |
Protector |
Carbon steel |
25 |
Name plate |
AISI 304 |
25 |
Rivet |
AISI 304 |
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