Triple Eccentric Flange Butterfly Valve

We give our customers confidence gained through years experience. We always take customer satisfaction as our tenet and produce our F51 Gate Valve, 5A Gate Valve, Through Conduit Knife Gate Valve with the best quality and the most advanced technology. Our company respects the enterprise spirit of 'dependable, hard work and responsibility', and creates a good enterprise environment with integrity, win-win and pioneering business philosophy. With brand-new management mode, perfect technology, considerate service and excellent quality as the survival basis, we always adhere to the customer first, serve the customer attentively, and insist on moving the customer with our own service. We promote the development of our company and even the whole industry with our own practical actions. Through continuous innovation and transformation, we fully develop our own advantages and devote ourselves to building an international brand, hoping that our company will continue to develop. Our company has a talent team engaged in R&D and production for many years, and has strong product design and development capabilities.

Product details

NSV Triple Eccentric Flange Butterfly Valve are used to open and close(seal type) or adjust the medium flow in pipes. It is widely used in metallurgy,electric power, petrochemical, water supply and drainage, municipal construction and other industrial pipelines with medium temperature ≤425℃.

Design Features
Triple eccentric design
Metal to metal,Rubber,PTFE seated
Bi-directional service
Flange Connection

STRUCTURAL FEATURES

1. Simple structure, small sizes, light weight and low installation dimensions. According to the types of body connection, they are basically classified to wafer type(including lug wafer type), flanged and welded.

2.Multilayer Hard Seal Structure(See fig．right)
Multilayer hard seal structure is applicable. double and triple eccentric butterfly valves, pressure rating≤CLASS600．And triple eccentric butterfly valve can maintain bi-directional Ieak—tightness.Multilayer sealing ring is composite of stainless steel and nonmetal material. The nonmetal material can be flexible graphite。PTFE or non asbestos material etc. according to the actual working conditions.

3. Low driving moment,easy and quick operation

DO’S & DON’TS BEFORE INSTALL ON PIPELINE

1. These valves are not to be used for End of Line Service.

2. Wear all necessary protective equipment for conducting the work.

3. Never remove or maintain a valve or joint unless the line has been fully drained and de-pressurized.

4. Ensure that the valves are used within the pressure temperature service conditions as per ASME B16.34.Also refer nameplate for pressure temperature limites.In case of additional assistance consult with ALL.

5. Valve handwheels are designed only for operation.The handwheel must not be used for handling the valve.

FAQ

1. Q:Does your company have any agent/distributor with the exception of China?

A: At present,we have agent in Indonesia,Singapore,Canada,Mexico,Iraq,and welcome contact us if you would like to join us.

2. Q:Does “NSV” valves have supply to any value end user?

A:Yes,it just like PETROKIMIA GRESIK in Indonesia, BP Iraq,ESFAHAN MOBARAKEH STEEL In Iran etc.

3. Q:Are you manufacturer or trading company?

A: We’re manufacturer,but our factory name is not named NSV due to we’re professional in promotion NSV brand with best service,and also have sold to many end user success.

Our Triple Eccentric Flange Butterfly Valve has become a hot-selling product that is vying to buy. Powerful technology allows our company to design and manufacture more efficient and suitable products according to the specific needs of customers. We hope to pursue superior products that exceed customer expectations through various design and outstanding technology.