Factory directly 4 Inch Copper Butterfly Valve - Uni-directional Knife Gate Valve – NSEN
Factory directly 4 Inch Copper Butterfly Valve - Uni-directional Knife Gate Valve – NSEN Detail:
• Bolted bonnet design
• Self-cleaning mechanism
• Uni-direction or bi-directional design
• Rising stem or Non Rising stem
• Resilient seat or Metal Seat
Product detail pictures:

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Cooperation
Being supported by an highly developed and skilled IT group, we could offer you technical support on pre-sales & after-sales support for Factory directly 4 Inch Copper Butterfly Valve - Uni-directional Knife Gate Valve – NSEN , The product will supply to all over the world, such as: Angola , Uganda , Libya , To get more information about us as well as see all our products, please visit our website. To get more information please feel free to let us know. Thank you very much and wish your business always be great!
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.

Good quality and fast delivery, it's very nice. Some products have a little bit problem, but the supplier replaced timely, overall, we are satisfied.
