DIN/ANSI/API Double Flange End Concentric/Triple Eccentric Butterfly Valve

At the same time, we are committed to supply high quality standard Titanium Alloy Valves, Bidirectional Knife Gate Valve, Cast Floating Ball Valve and improve service quality. We have continuous innovation capabilities and economic scale production and manufacturing capabilities. Our company adheres to the idea of 'walking with science and technology' to provide all-round and timely service for customers at home and abroad. Since the establishment, our company has consistently adhered to the quality policy of 'relying on science and technology, strict management, meticulous manufacturing, and striving for first-class'.

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.

From authoritative research and development to rigorous selection process, as well as with exquisite technology, all DIN/ANSI/API Double Flange End Concentric/Triple Eccentric Butterfly Valve reflect our determination to provide customers with first-class products. We hope that our staff will enhance the sense of implementation, there is no excuse in the work, and improve the efficiency and quality of work. We aim at product diversification, price rationalization and internationalization of sales.