PRODUCT
2.5inch epdm seat lug style butterfly valve
Product Attributes :
Designed as Standard : GB/T12238-2008; AWWA C504
Face to Face : GB/T12221-2005-J1; API609(400/450 Excepted)
Flange as Standard : GB/T17241.6 ; DIN2632/2633;BS4504;
JIS-B2220 ; ASME B16.5(150LB)
Test as Standard : GB/T13927-2008; BS EN12266-1 12266-2
Product Description
Material & Specifications:
| Design & Manufacture | ISO5211 EN593 API609 BS5155 EN1092 |
| Face to Face | ISO5752 DIN558-1 API609 DIN3202 BS5155 |
| Inspection & Testing | ISO5208 EN12266-1 API598 |
| Working Pressure | PN10 PN16 |
| Working Temperature | NBR(0~70ºC) |
| EPDM(0~120ºC) | |
| PTFE(-20~120ºC) | |
| FKM(0~260ºC) | |
| SILICO(-40~180ºC) | |
| Operating mode | Lever, Hand wheel, Gear box, Pneumatic/Electric actuators |
| Applicable medium | Water, oils, Chemicals, Foodstuff, Medicament, Gas etc. |
| Application field | Water supply and drainage, Water conservancy projects, Building project, Food and beverage, Chemical industry, Petroleum industry, Dry powder and Gas plants etc . |
Features:
- Centerline butterfly valve is compact in structure and light in weight, and easy for assemly and disassembly, and maintenance.
2. The operating torque of it is small.
3. It is small in flowing resistance and good in energy -saving effect, with discharge characteristic approximating inclined straight line.
4. It is featured by reliable sealing, zero leakage with ten thousands of opening and clising times.
5. The valve can be made of various materials, adapted to all kinds of media.
6. They are used in the pipelines and vessels for conveying various corrosive and non-corrosive fluid media in the engineering systems of water supply generating, petroleum, gas, chemicals, smelting, food, medicine, paper-making, shipping and environmental protection and also for regulating and cutting off the flowing of media.
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