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Forged steel internal thread, socket check valve
Product model: Z11Y/Z61Y nominal diameter: NPS3/8 '~2' nominal pressure: Class150~2500Lb Applicable medium: water, steam, oil, etc. Applicable tempera
Product details
Forged steel gate valveThere are three types of valve cover designs. The first is the bolt type valve cover, which is connected by concave and convex surfaces, using stainless steel strips and flexible graphite wrapped gaskets, and can also be connected by rings as needed. The second is the welded valve cover, which is sealed by threads and welded, and can also be directly connected by rigid welding as needed. The third is the self sealing valve cover, which is connected to the self sealing valve cover by threads.
Structural design and specifications for gate valves:
Forged steel gate valves are manufactured in accordance with API 602, BS5352, and ANSI B16.34.
Testing and acceptance shall follow API 598, and labeling shall follow MSS SP-25.
Testing and acceptance shall follow API 598, and labeling shall follow MSS SP-25.
The structural type is as follows:
1. Full diameter or reduced diameter;
2. Bright pole with bracket;
3. Filling pressure sleeve with automatic centering at both ends;
4. Bolt type valve cover with wrapped gasket, threaded sealed welded valve cover, or self sealing valve cover
5. Reverse sealing of the body;
6. Socket welding ANSI/ASME B16.11;
7. The threaded end (NPT end) shall comply with ANSI/ASME B1.20.1.
2. Bright pole with bracket;
3. Filling pressure sleeve with automatic centering at both ends;
4. Bolt type valve cover with wrapped gasket, threaded sealed welded valve cover, or self sealing valve cover
5. Reverse sealing of the body;
6. Socket welding ANSI/ASME B16.11;
7. The threaded end (NPT end) shall comply with ANSI/ASME B1.20.1.
Standard Material Detail Table
| serial number | Part Name | CStoASTM | AStoASTM | SStoASTM | |
| A105 | F22 | F304L | F316L | ||
| 1 | valve body | A105 | A182 F22 | A182F 304L | A182 F316L |
| 2 | valve seat | A276 420 | A276 304 | A276 304L | A276 316L |
| 3 | ram | A182F 430&410 | A182 F304 | A182F 304L | A182 F316L |
| 4 | valve stem | A182 F6 | A182 F304 | A182F 304L | A182 F316L |
| 5 | shim | 316 clip flexible graphite | 316 clip PTFE | ||
| 6 | valve cover | A105 | A276 F304 | A276F 304L | A276 F316L |
| 7 | bolt | A193 B7 | A193 B16 | A193 B8 | A193 B8M |
| 8 | dowel pin | A276420 | A276 304 | ||
| 9 | packing gland | A276410 | A182F 304L | A182F F316L | |
| 10 | swivel bolt | A193 B7 | A193 B16 | A193 B8 | A193 B8M |
| 11 | packing gland | A105 | A182 F11 | A182F 304L | A182F 316L |
| 12 | nut | A194 2H | A194 4 | A194 8 | A194 8M |
| 13 | stem nut | A276 420 | |||
| 14 | lock nut | A194 2H | A194 4 | A194 8 | A194 8M |
| 15 | nameplate | SS | |||
| 16 | handwheel | A197 | |||
| 17 | shim | A473431 | |||
| 18 | filler | flexible graphite | PTFE | ||
| Applicable Medium | Water, steam, oil products, etc | Water, steam, oil products, etc | Nitric acid, acetic acid, etc | ||
| Applicable Temperature | -29℃～425℃ | -29℃～550℃ | -29℃～200℃ | ||
Main connection dimensions and weight
| NPS | Shrinking diameter | 3/8' | 1/2' | 3/4' | 1' | 11/4' | 11/2' | 2' | |
| Full diameter | 3/8' | 1/2' | 3/4' | 1' | 11/4' | 11/2' | 2' | ||
| L | 79 | 79 | 92 | 111 | 120 | 120 | 140 | 178 | |
| H open | 158 | 158 | 169 | 197 | 236 | 246 | 283 | 330 | |
| W | 100 | 100 | 100 | 125 | 160 | 160 | 180 | 200 | |
| weight | Bolt type | 2.1 | 2.0 | 2.3 | 4.3 | 5.9 | 6.9 | 11.1 | 15.2 |
| welded type | 1.8 | 1.7 | 2.0 | 3.8 | 5.1 | 6.1 | 10.2 | 14.2 | |
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