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Double Flange Center Line Sealing Butterfly Valve

The turning center of the butterfly plate is on the center line of the valve body and the sealing face section of the butterfly plate. In closing, the ex-circle sealing face of the butterfly plate will extrude the valve seat made of synthetic rubber, generating elastic deformation on the seat to form an elastic force used as a sealing specific pressure so as to guarantee the tightness of the butterfly valve.
Product Details

Double Flange Center Line Sealing Butterfly Valve

The turning center of the butterfly plate is on the center line of the valve body and the sealing face section of the butterfly plate. In closing, the ex-circle sealing face of the butterfly plate will extrude the valve seat made of synthetic rubber, generating elastic deformation on the seat to form an elastic force used as a sealing specific pressure so as to guarantee the tightness of the butterfly valve ,Butterfly valve  is used for isolating or regulating  flow   and its function allows for quick shut off. There are many different kinds of butterfly valves, each adapted for different pressures and different usage in the industry.


Product Range

End Connection: Wafer, Lug, etc

Nominal diameter: 2" - 48"(DN15 - DN1200)

Pressure range: Class 150 - 600(PN16 - PN100)

Working temperature: -10℃ - +120℃

Body material: Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel

Operation Type: Lever, Gear, Electric, Pneumatic, Hydraulic, etc


Material Option:  

Carbon steel :  A216 Gr. WCB, WCC, WCA, etc

Low temperature steel: A352 Gr. LCB, LCC, LC1, etc

Cr-Mo steel:A217 Gr. WC6, WC9, C5, C12, C12A, etc

Stainless Steel:A351 Gr. CF8, CF8M, CF3, CF3M, CF8C, etc

Alloy steel:CN7M alloy 20, CN3M alloy 20 modified, CT15C, etc

Super duplex:A995 Gr. 4A, 5A, CE8MN, CD6MN, CD3MN, etc

Aluminum bronze:B148 C95500, C95600, C95800, etc

Monel:M30C, M35-1, CZ100, etc

Inconel:CY40 inconel 600, etc

Hastelloy:CW2m Hastelly C4, N12MV Hastelloy B, etc

Incoloy:CU5MCuC Incoloy 825, CW6MC Incoloy 625, etc


Payment & Shipment 

Payment :30%T/T with order ,70% T/T before the shipment .

Package :carton case or wooden case .

Shipment :  25-45days after payment.

Shipping: by air ,by train mby sea .

Port :Ningbo,Shanghai .



If you have any  questions, please feel free to contact me.your enquiry  will get prompt attention.

we will do out best  to quote you a more competitive price and short delivery time .


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