Thread Position of Valve Rod: Outside Gate Valve
Usage: on&off
Standard: ANSI, API, DIN, BS, GB etc
Application: Industrial Usage
Temperature Applicable: -20 ~ 120ºC
Trademark: KARFAR
Specification: DN50 ~ DN400
Origin: China
Water Sealing Gate Valve, Flange end / Butt Weld endModel NO. DS/Z44
SIZE: DN 1-1/2" ~ 24"
PRESURE RATING: PN10 ~ PN25
Water sealed Gate Valve is a on&off device for non-crossive mediums of water, steam, oil, pressure under 100Mpa, temperature less than 425ºC. It is especially suitable for condenser system of steam turbine in thermal power plant. The bonnet packing room has water sealing sturcture. Upon water pressure 0.6-1Mpa, the system is insulated from the air to be air tight.
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| Specifications | |
| Suitable media | Water |
| Nominal Diameter | DN40~DN600 (1 1/2"~24"). |
| Tightness check | AWWA C509/API 598/ISO 5208/EN12226-1. |
| Working Pressure | PN10/PN16/PN25 or 10Bar/16Bar/25Bar. |
| Class125, class150, 250 psi (2"~12"), 200 psi (14"~24"), 150 psi. | |
| Operator | Cap top, hand wheel, Gear box, electric actuator, etc. |
| Working Temp. | -20 to 120Â centigrade. (EPDM: -20 to 120, NBR: -10 to 80). |
| Flange | DIN2501/EN1092-2 PN10/16/25. |
| ANSI/ASME B16.1/ ANSI B16.5 Class 125, ANSI/AWWA C110/21.10. | |
| BS4504 PN10/16/25. | |
| Face-to-Face | DIN3352/DIN3202 F4/F5(ISO5752 Series14/15)/EN558-1 Series14/15 |
| ANSI/ASME B16.10 | |
| BS5163 Type B / BS5150 | |
| Main Parts material list | |
| Seat | EPDM/NBR/Brass |
| Gland Follower | Brass/ductile iron. |
| Bolt and nut | Stainless steel, steel with zinc. |
| Stem | Stainless steel, brass, bronze, steel with zinc. |
| Hand-wheel | Ductile iron/ malleable Iron/carbon steel. |
| Body/Bonnet/Disc | Cast iron/ductile iron/CI/DI/GG25/GGG40/GGG50/HT200/QT450. |
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