100% Original Factory 56 Inch Butterfly Valve - Metal Seated Bi-directional Butterfly Valve – NSEN

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We keep improving and perfecting our products and service. At the same time, we work actively to do research and development for Dairy Butterfly Valve , Cast Iron Butterfly Valve Dn250 , Pneumatic Cement Butterfly Valve , In our efforts, we already have many shops in China and our products have won praise from customers worldwide. Welcome new and old customers to contact us for the future long term business relationships.
100% Original Factory 56 Inch 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:

100% Original Factory 56 Inch Butterfly Valve -
 Metal Seated Bi-directional Butterfly Valve – NSEN detail pictures

100% Original Factory 56 Inch Butterfly Valve -
 Metal Seated Bi-directional Butterfly Valve – NSEN detail pictures

100% Original Factory 56 Inch Butterfly Valve -
 Metal Seated Bi-directional Butterfly Valve – NSEN detail pictures


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We will devote ourselves to giving our esteemed buyers using the most enthusiastically thoughtful services for 100% Original Factory 56 Inch Butterfly Valve - Metal Seated Bi-directional Butterfly Valve – NSEN , The product will supply to all over the world, such as: Chicago , Germany , Slovenia , Our company warmly invites domestic and overseas customers to come and negotiate business with us. Allow us to join hands to create a brilliant tomorrow! We've been looking forward to cooperating with you sincerely to achieve a win-win situation. We promise to try our best to deliver you with high quality and efficient services.

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. 

  • We have been appreciated the Chinese manufacturing, this time also did not let us disappoint,good job!
    5 Stars By Helen from Adelaide - 2017.02.14 13:19
    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 Pandora from Malta - 2017.08.28 16:02
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