Wafer Full Lug Type Concentric Butterfly Valve

Wafer Full Lug Type Concentric Butterfly Valve

The wafer 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 is composed of only a few parts. Moreover, it can be quickly opened and closed by only rotating 90°, and the operation is simple, and the valve has good fluid control characteristics.

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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