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Data sheets of pressure-reducing desuperheating station, of stop valves, of regulating valves
- Stop Valves
- Gate Valves (Medium Parameters)
- Gate Valves (High Pressure)
- Check Valves
- Steam Traps
- Safety Valves 7с
- Pulse Valves 8с
- Pulse Valves 112
- Pulse Valves 586
- Main Safety Valves
- Regulating disk valves
- Regulating Rotary Valves 6c
- Regulating Needle Valves with lever actuation
- Regulating Needle Valves
- Throttle Control Valves
- Quick-Release Valves
- Butterfly Valves
- Double-Seat Regulating Valves 14с
1с-14-3
Destignation | Dn, mm | Pn, MPa | ξ | Torque, N•m | n | D, mm | d, mm | L, mm | A, mm | H, mm | DM, mm | Actuator type*** | Weight, kg | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
20 | 37,3* | 280 | 5,0 | 28 | 6,5 | 32 | 18 | 160 | 46 | 270,5 | 260 | 6,3 |
Условные обозначения
body – steel 20, steel 25 (GOST 8479);
yoke – steel 20, steel 25 (GOST 8479);
valve stem – steel 12Х18Н10Т (GOST 5949) with catalytic nitrogenization, steel 25Х1МФ with building-up welding 04Х19Н9С2 (GOST 20072);
valve spindle – steel 20Х13 (GOST 5949);
valve seat – steel 12Х18Н10Т (GOST 5949) with catalytic nitrogenization or building-up welding 04Х19Н9С2.
Stop valves are manufactured in accordance with Technical Specification 3742-002-79315310-2007.

Stop valves are used for complete cutting off (opening) steam or water flow. These valves are used on horizontal or vertical pipelines. Connection to pipeline – by welding.

* working pressure, Рр ** without electric actuator *** ref. electric drives section