| Media: | Water, Gas, Oil |
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| Driving Mode: | Manual, Worm Gear, Electric, Hydraulic, Pneumatic |
| Connection Form: | Flange |
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Butterfly valve is opened and closed by disc type Reciprocating gyrati Open close and adjust at about 90 degrees A valve for regulating fluid passages.
Butterfly valves are not only simple in structure, small in volume, light in weight, low in material consumption, small in installation size, small in driving moment, simple in operation and fast in operation, but also have good flow regulation function and sealing characteristics.
With the application of high temperature resistance, low temperature resistance, strong corrosion resistance, strong erosion resistance and high strength alloy materials in butterfly valves, metal-sealed butterfly valves have been widely used in high and low temperature, strong erosion resistance, long life and other industrial fields, so that the technology of butterfly valves has reached a new level.
| Seat material | Pressure level | test pressure | Operating temperature,(-10-80ºC) and allowable pressure MPa | Operating temperature,(-80-120ºC) allowable pressure MPa | Operating temperature,(150ºC) allowable pressure MPa | Applicable medium |
| NBR (-10-80ºC) |
PN10 | 1.5 | 1.0 | - | - | Water, sewage, seawater, oil, gas |
| PN16 | 2.4 | 1.6 | - | - | ||
| PN25 | 3.8 | 2.5 | - | - | ||
| EPDM (-10-120ºC) |
PN10 | 1.5 | 1.0 | 1.0 | - | Water, sewage, seawater, oil, gas |
| PN16 | 2.4 | 1.6 | 1.6 | - | ||
| PN25 | 3.8 | 2.5 | 2.5 | - | ||
| VITON (-10-150ºC) |
PN10 | 1.5 | 1.0 | 1.0 | 0.30 | Water, sewage, seawater, oil, gas |
| PN16 | 2.4 | 1.6 | 1.6 | 0.45 | ||
| PN25 | 3.8 | 2.5 | 2.5 | 0.60 | ||
| PTFE (-10-150ºC) |
PN10 | 1.5 | 1.0 | 1.0 | 0.30 | Water, sewage, seawater, oil, gas |
| PN16 | 2.4 | 1.6 | 1.6 | 0.45 | ||
| PN25 | 3.8 | 2.5 | 2.5 | 0.60 |
| NPS | 2 | 21/2 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 24 | 28 | 30 | 32 | 36 | 40 | 48 | |
| DN | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 | 700 | 750 | 800 | 900 | 1000 | 1200 | |
| PN10 | L(mm) | 43 | 46 | 46 | 52 | 56 | 56 | 60 | 68 | 78 | 78 | 102 | 114 | 127 | 154 | 165 | 190 | 190 | 203 | 216 | 254 |
| Torque valueN/M | 16 | 20 | 26 | 43 | 88 | 101 | 247 | 338 | 394 | 884 | 1105 | 1526 | 1968 | 3370 | - | - | - | - | - | - | |
| PN16 | L(mm) | 43 | 46 | 46 | 52 | 56 | 56 | 60 | 68 | 78 | 78 | 102 | 114 | 127 | 154 | 165 | 190 | 190 | 203 | 216 | 254 |
| Torque valueN/M | 20 | 23 | 34 | 52 | 101 | 120 | 393 | 390 | 468 | 927 | 1755 | 1950 | 2773 | 5070 | - | - | - | - | - | - | |
| PN25 | L(mm) | 43 | 46 | 46 | 52 | 56 | 56 | 60 | 68 | 78 | 78 | 102 | 114 | 127 | 154 | 165 | 190 | 190 | 203 | 216 | 254 |
| Torque valueN/M | 22 | 27 | 39 | 60 | 117 | 138 | 337 | 449 | 538 | 1066 | 2019 | 2243 | 3189 | 5831 | - | - | - | - | - | - | |
Shanghai Flow Valve & Fitting Co, Ltd. was founded in 1998, mainly in foreign trade export business, has invested in two professional manufacturing factories in Shanghai Jiading Waigang Industrial Zoneand Tianjin Wuqing Jingbin Industrial Park.
These two subordinate factories are responsible for the professional production of ANSl, DINBS, GB and other standards of ball valve, butterfly valve, gate valve, stop valve, balance valve, filter, plug valve, control valve and other series of products.
Nearly 80% of the company's products are exported to Europe,America, the Middle East, Southeast Asia and other parts of the world and we also conduct technical cooperation and OEM production with many European and American companies.
Shanghai Flow Valve & Fitting Co., Ltd. began to actively participate in major domestic engineering projects in 2003.
lt has established five sales centers in Shanghai, Beijing, Guangzhou, Xi'an and Chongqing, and its business covers Northeast China, North China, Northwest China,Southwest China, Central China, South China and other regions.
The sales network and after-sales network basically cover most regions of mainland China.
Q1: Can I have a sample order for valve?
A1:Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.
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