China OEM Auto Butterfly Valve - Metal Seated Bi-directional Butterfly Valve – NSEN

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Our company aims to operating faithfully, serving to all of our customers , and working in new technology and new machine constantly for Stem Extension Butterfly Valve , Full Weld Butterfly Valve , High Performance Butterfly Valve , We have now designed a reputable track record among many shoppers. Quality&customer initially are normally our constant pursuit. We spare no attempts to produce greater solutions. Stay up for long-term cooperation and mutual positive aspects!
China OEM Auto 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


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China OEM Auto Butterfly Valve - Metal Seated Bi-directional Butterfly Valve – NSEN detail pictures

China OEM Auto Butterfly Valve - Metal Seated Bi-directional Butterfly Valve – NSEN detail pictures

China OEM Auto Butterfly Valve - Metal Seated Bi-directional Butterfly Valve – NSEN detail pictures


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We usually continually offer you the most conscientious consumer services, along with the widest variety of designs and styles with finest materials. These initiatives include the availability of customized designs with speed and dispatch for China OEM Auto Butterfly Valve - Metal Seated Bi-directional Butterfly Valve – NSEN , The product will supply to all over the world, such as: Sydney, Congo, Poland, We aspire to meet the demands of our customers globally. Our range of products and services is continuously expanding to meet customers' requirements. We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success!

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 is very patient and has a positive and progressive attitude to our interest, so that we can have a comprehensive understanding of the product and finally we reached an agreement, thanks!
    5 Stars By Sabina from Iraq - 2018.05.13 17:00
    This company conforms to the market requirement and joins in the market competition by its high quality product, this is an enterprise that have Chinese spirit.
    5 Stars By Alexandra from luzern - 2017.10.13 10:47
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