8 Year Exporter Manual Knife Gate Valve - Metal Seated Bi-directional Butterfly Valve – NSEN

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We have now sophisticated machines. Our solutions are exported to the USA, the UK and so on, enjoying a great reputation amid consumers for Pneumatic Valve Butterfly Valve , Stainless Steel Butterfly Valve Handles , Ball Valve Application , Sincerely hope we are growing up together with our prospects all over the environment.
8 Year Exporter Manual Knife Gate 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:

8 Year Exporter Manual Knife Gate Valve -
 Metal Seated Bi-directional Butterfly Valve – NSEN detail pictures

8 Year Exporter Manual Knife Gate Valve -
 Metal Seated Bi-directional Butterfly Valve – NSEN detail pictures

8 Year Exporter Manual Knife Gate Valve -
 Metal Seated Bi-directional Butterfly Valve – NSEN detail pictures


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"Control the quality by the details, show the power by quality". Our enterprise has strived to establish a remarkably efficient and stable team team and explored an effective excellent control system for 8 Year Exporter Manual Knife Gate Valve - Metal Seated Bi-directional Butterfly Valve – NSEN , The product will supply to all over the world, such as: Melbourne , Honduras , Iran , Our company is continuing to serve customers with high quality, competitive price and timely delivery. We sincerely welcome friends from all over the world to cooperate with us and enlarge our business. If you are interested in our products, please feel free to contact us. We would love to provide you with further information.

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 Antonio from Austria - 2018.09.21 11:01
    Hope that the company could stick to the enterprise spirit of "Quality, Efficiency, Innovation and Integrity", it will be better and better in the future.
    5 Stars By Sophia from Buenos Aires - 2017.08.28 16:02
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