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| Media: | Water, Gas, Oil |
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| Driving Mode: | Manual, Worm Gear, Electric, Hydraulic, Pneumatic |
| Connection Form: | Flange |
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Ductile Iron Butterfly Valve with WCB Body and PTFE wrapped disc ANSI / DIN Flanged

Advantages:
Butterfly valves are easy and fast to open.
Butterfly valves are relatively inexpensive to build.
Butterfly valves have less space requirements.
Butterfly Valves are generally associated with reduced maintenance.
| 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.

A:This butterfly valve is available with a ductile iron (DI) body and a WCB steel body. The disc is lined with PTFE, which provides excellent corrosion resistance and durability for industrial applications.
A:The valve can be manufactured according to international standards such as ANSI, DIN, and BS. Other standards are available upon request to meet specific project requirements.
A:It is widely used in water supply systems, HVAC, pump systems, and general industrial pipelines where reliable flow control and corrosion resistance are required.
A:The standard pressure rating is PN10/PN16 or Class 150. The PTFE lined disc is suitable for typical industrial temperature ranges. Specific pressure and temperature requirements can be customized.
A:Yes. We support OEM services and customization, including size, material, coating, standards, and branding based on customer specifications.
A:Each valve undergoes dimensional inspection, pressure testing, and functional testing before delivery to ensure stable performance and compliance with quality standards.