High Quality Cast Steel/Carbon Steel/Cast Iron Triple Eccentric Flange Butterfly Valve with Worm Gear

Our company always leads the trend with first-class quality, and makes unremitting efforts to build the first brand of F51 Ball Valve, Cast Check Valves, Electric Actuator Trunnion Ball Valve. Our group members are goal to provides merchandise with significant performance cost ratio to our consumers, as well as target for all of us is usually to satisfy our consumers from all around the environment. On the basis of further optimizing the talent structure, improving the management level and technical content, we accelerate the pace of scientific and modern operation, advance with customers and develop with employees, and provide high-quality and professional products and services for the market. Consistent adherance to the high quality, high standards and strict requirements of the products is our company culture.

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.

We know that we only thrive if we will guarantee our combined cost competiveness and high-quality advantageous at the same time for High Quality Cast Steel/Carbon Steel/Cast Iron Triple Eccentric Flange Butterfly Valve with Worm Gear. We learn advanced technology and management methods at home and abroad through all employees to comprehensively enhance our own quality and competitiveness in the industry. We continue to enhance the market competitiveness of enterprises, hoping to lead the industry to leap forward in the national industry.