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D342H horizontal bidirectional metal hard-sealed butterfly valve,metal hard-sealed butterfly valve, butterfly valve

Product Code : VF--DCC-D113-CU

Product model: D342H

Nominal diameter: DN50 - DN1200

Nominal pressure: PN1.0-2.5MPa

Design and manufacturing standards: GB/T 12238-2008, JB/T8527-1997

Structural length standard: GB/T 12221-2005

Connection flange standard: GB/T 9113

Pressure and temperature grade: GB/T 12224-2005

Test and inspection standard: GB/T 13927-2008


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D342H horizontal bidirectional metal hard-sealed butterfly valve,metal hard-sealed butterfly valve, butterfly valveVF--DCC-D113-CUCustomizedCustomized

The D342H horizontal bidirectional metal hard seal butterfly valve/double eccentric bidirectional metal seal butterfly valve is widely used in water conservancy projects, tap water, power circulating water, petroleum, chemical and other industrial pipelines to cut off the flow of media.

Structural features of D342H horizontal bidirectional metal hard-sealed butterfly valve:

Butterfly valves feature bidirectional pressure-bearing and bidirectional metal seals. Their special structural form allows for arbitrary adjustment of the sealing pressure ratio. They adopt an eccentric S-shaped conical valve seat sealing surface, which makes the sealing surface less prone to damage and extends the service life of the valve.

2. The operating torque is relatively small, and it can be opened and closed by turning 90 degrees, which is light and fast.

3. It has low flow resistance and excellent hydraulic characteristics. The flow characteristic is approximately inclined straight line, with good energy-saving effect. The bidirectional seal has no requirements for the direction of water flow.

4. It features reliable sealing and an opening and closing life of over 25,000 times. 5. The valve plate adopts a double-plate truss multi-channel design that conforms to the fluid mechanics performance.


The D342H horizontal bidirectional metal hard seal butterfly valve/double eccentric bidirectional metal seal butterfly valve is widely used in water conservancy projects, tap water, power circulating water, petroleum, chemical and other industrial pipelines to cut off the flow of media.

Packing of Standard Packing: 

Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 470 gallon liquid totes Special package is available on request. E FORUs’  is carefully handled to minimize damage during storage and transportation and to preserve the quality of our products in their original condition.




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