The pneumatic three-eccentric butterfly valve adopts a three-eccentric multi-layer metal sealing structure, has no mechanical wear, can achieve zero leakage at most, has excellent two-way sealing function, and is the best device for regulating flow, cutting off or connecting fluids in pipelines of different media such as petroleum, chemical industry, metallurgy, electricity, food, medicine, water supply and drainage, gas transportation, etc. Pneumatic flange butterfly valves are made of different materials and can be used for water, sewage, seawater, air, steam, gas, combustible gas, corrosive media, oil products and food, etc. The maximum working temperature can reach 600ºC.




Bore |
DN50-1200mm |
Pressure |
0.6 1.0 1.6 2.5 4.0Mpa 150 300Lb |
Dimension Standard |
GB ANSI |
Type of Connection |
Flange Type Connection |




1. Can I have a sample order for valve?Yes, we welcome sample order to test and check quality.Mixed samples are acceptable.
2. How to proceed an order for valve?
Provide your request or application. We will quote according to your requirements or our suggestions. Confirm the product and deposit for the formal order.We arrange production.
3. Can you do OEM for me?We accept all OEM/ODM orders,just contact us and give me your design.we will offer you a reasonable price and make samples for you ASAP.
4. What are your quality control procedures?We adhere to strict quality control procedures that begin with product design and carry through to the end of the production process using state-of -the-art quality control equipment.
5. What's your terms of payment?T/T, L/C , Trade Assurance available, full protection for your orders.