Product Details
Products Description
The wafer full lug type concentric butterfly valve is a double-headed bolt connecting the valve between the two pipe flanges. The structure is simple, small in size and light in weight, and composed of only a few parts. Moreover, it can be quickly opened and closed by only rotating 90°, the operation is simple, and the valve has good fluid control characteristics. When the butterfly valve is in the fully open position, the thickness of the disc is the only resistance when the medium flows through the valve body, so the pressure drop generated by the valve is small, so it has better flow control characteristics. The butterfly valve has two sealing types: elastic seal and metal seal. Elastomeric sealing valve, the sealing ring can be mounted on the valve body or attached to the periphery of the disc.
Product Applications
The wafer full lug type concentric butterfly valve can be used in the gas pipeline in the sulfuric acid industry: the front and rear blower inlet and outlet, the relay fan inlet and outlet, the electric defogging series and the connecting valve, the S02 main blower inlet, and outlet, the converter adjustment, the preheater inlet, and outlet, etc.
Product Specifications
Main Parts and Materials
Parts name | Wafer Full lug type concentric butterfly valve |
Body | CI/DI/WCB/ALB/CF8/CF8M |
Disc | DI/ALB/Rubber lined Disc/ 1.2501/CF8M/1.4529/CF8/Monet |
Stem | 416/304/316/431/17-4PH |
Seat | NR/EPDM/Neoprene/NBR/Wear-Resistant EPDM/Vi-ton/Silicon/Heat-Resistant EPDM/White NBR/White EPDM/EPDM (NSF)/PTFE |
Standards and Product Parameter
Face to face | Flange Connection | Top Flange |
BS5155short,ISO5752,DIN3202 F16 | DIN PN 10/16/25;ANSI B16.1,BS4504,ISO PN 10/16 | ISO5211 |
Test
Nominal Diameter | Nominal Pressure | Test Pressure | |
Shell test | Seal test | ||
DN40-DN600 | 1.0~1.6, (150/200PSI) | 1.5~2.4 | 1.1~1.76 |
DN700-DN1200 | 1.0MPa (150PSI) | 1.5 | 1.1 |
Product Advantages
1)Small in size and light in weight. It can be mounted wherever needed.
2)Simple, compact structure, quick 90-degree on-off operation.
3)Disc has two-way bearing, perfect seal, without leakage under the pressure test.
4)Flow curve tending to straight-line. Excellent regulation performance.
Packaging & Delivery
Packaging Details: electric actuated butterfly valve: the strong plywood cases or as per the customer's request.
Delivery details: 4-5 weeks after receipt of down payment by T/T
Payment: T/T, L/C, Western Union, and PayPal
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