ZDSh 65(50,100)-140(210,350)M
TU 3741-001-49652808-2000
Disk choke gate valve is intended for installation on the high pressure pipelines,
- “opening-closing” is performed with the handle;
- free inner space is minimal (gate revolves around its axe) and allows to perform opening-closing of the disk gate valve without preheating in low temperatures.
ZDSh connection sizes are equivalent to ZMS gate valves (there’s a possibility to make gate valves according to the Customer’s requirements).
Disk choke gate valve ZDSh is designed on the basis of the disk gate valve ZD with equivalent technical characteristics and it is equipped with quick-changing ceramic chokes with hole diameters 2,3,4,5,6,8,10,12 (any diameter according to the Customer’s order). It is intended for step control of the flow (technical water, oil and etc.) and is installed on the high pressure pipelines to replace choke block.
Use of ceramic chokes demonstrates their high-wearing feature and long life service.
Replacement of chokes in the disk choke gate valve is performed by one operator in
According to the special order disk choke gate valve can be equipped with a back pressure valve that prevents back flow.
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Technical Characteristics | |
| Composition of produced fluids | Technical water; oil with СО2 and H2S up to 6 %; natural gas containing liquid hydrocarbons, ethyleneglycol, methanol (СН3ОН), turbine oils, water and mechanical particles |
| Temperature ranges, ºC | -60…+45 |
| Flowing fluid temperature, ºC | Not to exceed 120 |
| Leak tightness of the Gate, class, GOST R 54808-2011 | A |
| Operating position | Opened |
| Direction of flow | Any |
| Location on the pipeline | Any |
| Connection to the pipeline | Flange |
| Total service life, years, not less than | 15 |
| Total average life, cycles, not less than | 1800 |
| Time to failure, cycles, not less than | 600 |
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Technical Characteristics | |||||||||||
| Product Name | Dn, mm. | Pn, MPa (psi) | L, mm | D, mm | D1, mm | D2, mm | n, pcs | d, mm | H, mm | h, mm | Modification |
| ZDSh | 50,65 | 14(2000) | 350 | 195 | 160 | 92 | 8 | 22 | 270 | 27 | GOST 28919 |
| 21(3000) | 90 | 40 | |||||||||
| 35(5000) | |||||||||||
| 50 | 14(2000) | 295 | 165 | 127 | 82.5 | 8 | 19 | 255 | 34 | ||
| 21(3000) | 371 | 215 | 165 | 95.2 | 25 | 280 | 46 | ||||
| 35(5000) | |||||||||||
| 65 | 21(3000) | 422 | 245 | 190.5 | 107.9 | 28 | 295 | 50 | |||
| 80 | 14(2000) | 359 | 210 | 168 | 123.8 | 8 | 23 | 318 | 40 | ||
| 21(3000) | 435 | 242 | 190.5 | 123.8 | 25 | 334.5 | 46 | ||||
| 35(5000) | 473 | 265 | 208 | 136.5 | 32 | 347 | 56 | ||||
| 100 | 21(3000) | 511 | 292 | 235 | 149.2 | 8 | 32 | 402 | 53 | ||
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