Quality Inspection for Lever Operated Wafer Butterfly Valve - Metal Seated Bi-directional Butterfly Valve – NSEN

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Our workforce through professional training. Skilled professional knowledge, solid sense of service, to fulfill the services demands of consumers for Handle Butterfly Valve , Butterfly Valve Pneumatic , Thermal System Valve , Our merchandise are widely recognized and trusted by users and can meet up with continuously changing economic and social needs.
Quality Inspection for Lever Operated Wafer 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:

Quality Inspection for Lever Operated Wafer Butterfly Valve -
 Metal Seated Bi-directional Butterfly Valve – NSEN detail pictures

Quality Inspection for Lever Operated Wafer Butterfly Valve -
 Metal Seated Bi-directional Butterfly Valve – NSEN detail pictures

Quality Inspection for Lever Operated Wafer Butterfly Valve -
 Metal Seated Bi-directional Butterfly Valve – NSEN detail pictures


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abide by the contract", conforms on the market requirement, joins from the market competition by its good quality likewise as provides more comprehensive and superb support for customers to let them become large winner. The pursue of the company, is definitely the clients' pleasure for Quality Inspection for Lever Operated Wafer Butterfly Valve - Metal Seated Bi-directional Butterfly Valve – NSEN , The product will supply to all over the world, such as: Myanmar , Tunisia , Boston , We follow superior mechanism to process these products that ensure optimum durability and reliability of the products. We follow latest effective washing and straightening processes that allow us to offer unmatched quality of products for our clients. We continually strive for perfection and all our efforts are directed towards attaining complete client satisfaction.

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. 

  • High production efficiency and good product quality, fast delivery and completed after-sale protection, a right choice, a best choice.
    5 Stars By Tony from Bangladesh - 2017.11.01 17:04
    The sales manager has a good English level and skilled professional knowledge, we have a good communication. He is a warm and cheerful man, we have a pleasant cooperation and we became very good friends in private.
    5 Stars By Beatrice from Borussia Dortmund - 2017.11.11 11:41
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