Professional ChinaLittle Resistence Butterfly Check Valve - Metal Seated Bi-directional Butterfly Valve – NSEN

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Professional ChinaLittle Resistence Butterfly Check 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:

Professional ChinaLittle Resistence Butterfly Check Valve -
 Metal Seated Bi-directional Butterfly Valve – NSEN detail pictures

Professional ChinaLittle Resistence Butterfly Check Valve -
 Metal Seated Bi-directional Butterfly Valve – NSEN detail pictures

Professional ChinaLittle Resistence Butterfly Check Valve -
 Metal Seated Bi-directional Butterfly Valve – NSEN detail pictures


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Together with the "Client-Oriented" enterprise philosophy, a arduous good quality control technique, sophisticated producing equipment and a sturdy R&D staff, we generally offer superior quality merchandise, superb solutions and aggressive rates for Professional ChinaLittle Resistence Butterfly Check Valve - Metal Seated Bi-directional Butterfly Valve – NSEN , The product will supply to all over the world, such as: Spain , Hamburg , Morocco , To have much more enterprise. ompanions, we've got updated the item list and seek for optimistic co-operation. Our web-site shows the latest and complete information and facts about our merchandise list and company. For further acknowledge, our consultant service group in Bulgaria will reply to all of the inquiries and complications immediately. They're about to make their finest effort to meet buyers need. Also we support the delivery of absolutely free samples. Business visits to our business in Bulgaria and factory are generally welcome for a win-win negotiation. Hope to expertise a happy company co-operation perform with you.

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 accounts manager made a detailed introduction about the product, so that we have a comprehensive understanding of the product, and ultimately we decided to cooperate.
    5 Stars By Natividad from Algeria - 2018.06.18 17:25
    We are long-term partners, there is no disappointment every time, we hope to maintain this friendship later!
    5 Stars By Josephine from Turkmenistan - 2018.09.29 13:24
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