Original Factory Knife Stem Gate Valve - Metal Seated Bi-directional Butterfly Valve – NSEN

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We pursue the management tenet of "Quality is superior, Service is supreme, Reputation is first", and will sincerely create and share success with all clients for Butterfly Valves Dn350 , Soft Sealing Water Butterfly Valve , Butterfly Valve With Worm Gear Actuator , Welcome to build the well and long standing business relationships with our company to create a glorious future together. customers' satisfaction is our eternal pursuit!
Original Factory Knife Stem 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:

Original Factory Knife Stem Gate Valve -
 Metal Seated Bi-directional Butterfly Valve – NSEN detail pictures

Original Factory Knife Stem Gate Valve -
 Metal Seated Bi-directional Butterfly Valve – NSEN detail pictures

Original Factory Knife Stem Gate Valve -
 Metal Seated Bi-directional Butterfly Valve – NSEN detail pictures


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With our rich working experience and thoughtful companies, we have now been recognized as being a trustworthy supplier for a lot of global potential buyers for Original Factory Knife Stem Gate Valve - Metal Seated Bi-directional Butterfly Valve – NSEN , The product will supply to all over the world, such as: Hongkong , Singapore , Estonia , Our factory insists on the principle of "Quality First, Sustainable Development", and takes "Honest Business, Mutual Benefits" as our developable goal. All members sincerely thanks for all old and new customers' support. We will keep working hard and offering you the highest-quality products and service.Thanks.

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. 

  • Company director has very rich management experience and strict attitude, sales staff are warm and cheerful, technical staff are professional and responsible,so we have no worry about product,a nice manufacturer.
    5 Stars By Doreen from French - 2018.06.26 19:27
    Factory equipment is advanced in the industry and the product is fine workmanship, moreover the price is very cheap, value for money!
    5 Stars By Ann from Curacao - 2018.02.04 14:13
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