100% Original Factory Butterfly Valve Dn350 - Metal Seated Bi-directional Butterfly Valve – NSEN

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With this motto in mind, we've got develop into amongst one of the most technologically innovative, cost-efficient, and price-competitive manufacturers for Pneumatic Control Butterfly Valve , Ball Valve , Dn150 Hard Seal Butterfly Valve , We warmly welcome domestic and abroad buyers deliver inquiry to us ,we now have 24hours doing work team! Anytime anywhere we are still here to be your partner.
100% Original Factory Butterfly Valve Dn350 - 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:

100% Original Factory Butterfly Valve Dn350 -
 Metal Seated Bi-directional Butterfly Valve – NSEN detail pictures

100% Original Factory Butterfly Valve Dn350 -
 Metal Seated Bi-directional Butterfly Valve – NSEN detail pictures

100% Original Factory Butterfly Valve Dn350 -
 Metal Seated Bi-directional Butterfly Valve – NSEN detail pictures


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We are proud of the superior customer gratification and wide acceptance due to our persistent pursuit of top of the range both of those on merchandise and service for 100% Original Factory Butterfly Valve Dn350 - Metal Seated Bi-directional Butterfly Valve – NSEN , The product will supply to all over the world, such as: Singapore , Denver , Manchester , Selling our products and solutions causes no risks and brings high returns to your company instead. It is our consistent pursuit to create value for clients. Our company is looking for agents sincerely. What are you waiting for? Come and join us. Now or never.

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. 

  • The customer service staff's answer is very meticulous, the most important is that the product quality is very good, and packaged carefully, shipped quickly!
    5 Stars By Stephen from Porto - 2017.04.18 16:45
    The factory can meet continuously developing economic and market needs, so that their products are widely recognized and trusted, and that's why we chose this company.
    5 Stars By John biddlestone from Juventus - 2018.12.22 12:52
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