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Double Flange Double Eccentric Butterfly Valve

Double Flange Double Eccentric 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 Double Eccentric Butterfly Valve

Overview

The double-eccentric butterfly valve is also called a high-performance butterfly valve, which is mainly applicable to the drainage of water works, power plants, steel works, chemical industry, water source engineering, environmental facility construction and the like, and is especially suitable for the water channel pipeline and is used as an adjusting and intercepting device. Compared with the middle-line butterfly valve, the double-eccentric butterfly valve is more resistant to high pressure, the service life is longer, and the stability is good. Compared with other valves, the larger the caliber, the lighter the material, and the cost is lower. However, because of the butterfly plate in the middle, the flow resistance is large, so the butterfly valve with less than dn200 is not of great significance.

Standard compliance

Type Available: Flanged type

Inspection & Testing: API 598

Basic Design: ANSI/AWWA C504

Materials Standard: Others on request

Face to Face Dimension: BS5155 Short, ISO5752 (Series 13), DIN 3202F16

Flanged End Dimension: DIN PN10/16/25, ANSI B16.1, BS4504, ISO PN10/16, JIS B2212/2213



Equipped with a professional factory, Naibang Valve is a professional manufacturer and supplier of double flange double eccentric butterfly valve in China. If you want to buy quality product of various beautiful bags, you can get it at a cheap price from us.
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