Butterfly valve
Butterfly valve
Product name: Butterfly valve
DN: 2”(50)~ 80”(2000)
CLASS(PN): 150LB(16)~300LB(50)
Available materials: cast iron, stainless steel SS304, SS316, SS316L, 904L, duplex stainless steel CD4MCu, 2205, 2507, Alloy 20, Hastelloy, Titanium, Monel, Nickel...
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Parameters
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Features
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Structure
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MOC
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Configuration
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Application
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Performance
| Body structure: | Integral, inner surface can be lined with rubber |
| Valve seat: | Single seat, hard seal / soft seal |
| Butterfly plate: | Half turn |
| Sealed form | Triple Eccentric / centric construction / double eccentric |
| Flow pass: | Conventional |
| Operation mode: | Manual / electric / pneumatic / pneumatic-hydraulic linkage / electro-hydraulic linkage / hydraulic (optional) |
| Seal: | Metal seal / soft seal |
| Leak rating: | Metal seal: ISO 5208 C or above, ANSI VI |
| Material of main parts | |
| Valve body | Carbon steel / stainless steel / alloy steel / casting, group welding |
| Valve flap | Carbon steel / stainless steel / alloy steel spray welding hard alloy |
| Valve seat ring | Carbon steel / stainless steel / alloy steel forgings |
| Bolts and nuts | A193/A194, A320/GB/HG, etc. |
| Pressure temperature class: | ASME B16.34 |
| Design: | API 609, GB/T 12238, ASME B16.34, GB, GOST, DIN, BS,etc. |
| Test: | API 598 / GB/T 13927 and other relevant national standards. |
| Structure length: | GB 12221,ANSI B16.10 / manufacturer standard / user requirements. |
| Connection end: | Flange end, welding end, wafer |
| Fire protection requirements: | API 607/API 6FA/BS 6755 |
| Anti-static electricity: | API 608/BS 5351 |
| Valve anti-sulfur: | NACE MR. 0175 |
Low construction cost, light weight and small flow resistance, can be used for adjustment. Good flow adjusting ability, high precision of flow characteristic curve and good dynamic adjustment stability.
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+86 28 8218 1182
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+86 28 8218 1182










