Set up in 1995, Tonglu Valves Manufactring Co.,Ltd. is one of the leading China butterfly valve manufacturer and supplier in Yongjia County of Zhejiang Province. We manufacture all products strictly conforming to the API, JIS, ANSI, BS, GB, NF and DIN standards. Our oem butterfly valves are available to users on request and are used for municipal works, petroleum, chemical industry, power station, metallurgy, national defense, and scientific research fields.

These products are widely used in water source projects, urban water supply and drainage, sewage treatment, electric power, petroleum, petrochemical, heat supply, shipbuilding, medicine and metallurgy industries. Valves are used for regulating or cutting off liquids in pipelines. Liquids available include water,
sewage, sea water, air, foodstuff and oil.
Specifications:1) Working temperature: -10 ~ +150oC2) Suitable for handles (DN80 ~ 300), gear operators, electric and pneumatic control actuatorsFeatures:1) Size: DN80-DN12002) Materials: a) Body: DI, WCB, stainless steel / disc-DI, CF8, CF8M, C954 b) Stem: stainless steel 410, stainless steel 416, stainless steel 304, stainless steel 316, stainless steel 431 c) Seat: EPDM, NBR
1) Sanitary stainless steel butterfly valve
2) Material quality: SS304, SS304L, SS316, SS316L
3) Flux domination of pipeline: DN25-200 and 1"-8"
4) Standards: ISO, DIN, SMS, butterfly valve
5) Medium: Beer,Dairy,Beverage,Pharmacy, Beauty, Health

1. Small in size and light in weight, easy instillation and maintenance. It can be mounted wherever needed2. Simple and compact construction, quick 90 degrees on-off operation3. Minimized operating torque, energy saving4. Flow curve teeing to straight line, excellent regulation performance5. Long service life, standing the test of tens of thousands opening/closing operations6. Bubbles-tight sealing with no leakage under the pressure test7. Wide selection of materials, applicable to various mediumsWafer type butterfly valve: Designed according to BSEN593 and MSS SP-67 and API 609 and compatible with ANSI 125/150, BS4504, DIN PN10/PN16 flangesSize: DN40-350mmRating: PN10/16, ANSI125/150Material of main parts: Body: cast iron, ductile iron, stainless steel, cast steel (WCB)Disc: Monel, ductile iron, stainless steel, Al-bronze, ductile iron with nylon coatedSeat: EPDM or NBR or PTFE or VITON or vulcanized in bodyStem: SS416 or SS316 or MonelPin: SS316 or MonelOperated: handle or wormgear, pneumatic, electric actuatorInner packing: Individual polybag for each valve Outer packing: Wooden case

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