Special Design for High Level Butterfly Valve - Metal Seated Bi-directional Butterfly Valve – NSEN

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Special Design for High Level Butterfly Valve - Metal Seated Bi-directional Butterfly Valve – NSEN Detail:

NSEN Metal to metal seal Bi-directional Triple offset butterfly valve adopts the structure of “Metal To Metal Seat ring”, i.e. valve’s sealing ring of disc/seat are all metal with hard faced treatment. The solid metal sealing structure could eliminate the problem of of leakage and unstable sealing performance caused by U-type seat or L-type seat. Besides, our specially sealing design could allow the valve operate in differential pressure without reducing of pipe pressure.

• Triple offset geometry

• Integral metal seal ring sealing

• Zero Leakage for both way

• Anti-blow out shaft

• Fire safe design to API607

• Replaceable Seat & Disc Sealing

• 0°-90°control, no jump area

• Friction free


Product detail pictures:

Special Design for High Level Butterfly Valve -
 Metal Seated Bi-directional Butterfly Valve – NSEN detail pictures

Special Design for High Level Butterfly Valve -
 Metal Seated Bi-directional Butterfly Valve – NSEN detail pictures

Special Design for High Level Butterfly Valve -
 Metal Seated Bi-directional Butterfly Valve – NSEN detail pictures


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"Quality initially, Honesty as base, Sincere company and mutual profit" is our idea, in order to create repeatedly and pursue the excellence for Special Design for High Level Butterfly Valve - Metal Seated Bi-directional Butterfly Valve – NSEN , The product will supply to all over the world, such as: Pakistan , Moldova , Swansea , The company has perfect management system and after-sales service system. We devote ourselves to building a pioneer in the filter industry. Our factory is willing to cooperate with different customers domestic and overseas to gain better and better future.

NSEN strictly follow the free repair, free replacement and free return services within 18 months after the valve is ex-works or 12 months after being installed and used on the pipeline after ex-works (upon which comes first). 

In the case the valve gets failed due to the quality problem during the use in the pipeline within the quality warranty period, NSEN will provide free quality warranty service. The service shall not be ended until the failure is surely made settled and the valve normally workable as well as the client signs the letter of confirmation.

After expiration of the said period, NSEN guarantees to provide the users with on-time quality technical services whenever the product needs to be repaired and maintained. 

  • In China, we have purchased many times, this time is the most successful and most satisfactory, a sincere and realiable Chinese manufacturer!
    5 Stars By Lesley from Brisbane - 2017.12.19 11:10
    We are a small company that has just started, but we get the company leader's attention and gave us a lot of help. Hope we can make progress together!
    5 Stars By Barbara from Uruguay - 2017.09.16 13:44
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