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GOST Gate Valves
Hanno Valve is a professional in manufacture China GOST Gate Valves more than 25 years. Hanno Valve’s GOST Gate Valves mainly from PN16 to PN320, DN50 to DN1400, with 20L, 25L, 20GL, 20GML, 20Cr5Mo, 15CrMo, 20CrMo, 12Cr18Ni9Ti, 12Cr18Ni10Ti, 12Cr18Ni12Mo3Ti, 4A, 5A, 6A, 904L, etc.
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Product Description
GOST Gate Valves of Hanno Valve is manufacture according to GOST 5762, face to face dimension is according to GOST 3706, end flange dimension is according to GOST 33259, mainly manufacture with handwheel, with gearbox, or for electric actuator, with flange connection or butt welded connection.
These high-performance valves are widely utilized in diverse applications within the oil and gas, chemical, petrochemical, and power industries, covering both onshore and offshore drilling, refining, and processes that require reliable shutoff.
Description
With a durable body available in multiple materials (including NACE-compliant options), these valves feature threaded seat rings for easy maintenance or replacement. They can also be supplied with tack or seal welds as required. For valve sizes above NPS 24, seats are seal welded by default.
The yoke sleeve is constructed from materials designed to endure high temperatures and resist wear and corrosion. Connections are available in flanged, buttweld, or custom types, such as clamp-style, to meet specific requirements. These wedge gate valves conform to API 600, ASME B16.34, and BS 1414 standards, ensuring quality and reliability in demanding environments.
Product Parameters
| DN | L | D | D1 | D2 | D3 | b | f | f1 | N-ød | Tr | N.m |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 50 | 216 | 160 | 125 | 102 | 88 | 21 | 3 | 3 | 4-18 | Tr20x4-LH | 37 |
| 80 | 283 | 195 | 160 | 133 | 121 | 23 | 3 | 3 | 8-18 | Tr23x5-LH | 97 |
| 100 | 305 | 230 | 190 | 158 | 150 | 25 | 3 | 3 | 8-22 | Tr26x5-LH | 139 |
| 150 | 403 | 300 | 250 | 212 | 204 | 31 | 3 | 3 | 8-26 | Tr30x6-LH | 189 |
| 200 | 419 | 375 | 320 | 285 | 260 | 39 | 3 | 3 | 12-30 | Tr36x6-LH | 250 |
| 250 | 457 | 445 | 385 | 345 | 313 | 43 | 3 | 3 | 12-33 | Tr38x6-LH | 448 |
| 300 | 502 | 510 | 450 | 410 | 364 | 47 | 4 | 4 | 16-33 | Tr40x6-LH | 563 |
Materials
| NO. | Part name | Materials |
|---|---|---|
| 1 | Body | 25L |
| 2 | Seat surface | 13Cr |
| 3 | Disc | 25L+13Cr |
| 4 | Stem | 2Cr13 |
| 5 | Gasket | 304+Graphite |
| 6 | Nut | A194-2H |
| 7 | Bolt | A193-B7 |
| 8 | Bonnet | 25L |
| 9 | Sealing surface | 13Cr |
| 10 | Packing | Expanded graphite |
| 11 | Gland flange | 25L |
| 12 | Bolt | A193-B7 |
| 13 | Nut | A194-2H |
| 14 | Bearings | GCr15 |
| 15 | Stem nut | Brass |
| 16 | Handwheel | QT400 |
| 17 | Ring | 2Cr13 |
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