Double Flanged Butterfly Valve

China double flanged butterfly valve Factory Directly Supply. LYV is a large-scaledouble flanged butterfly valvemanufacturer and supplier in China. The following is an introduction toDouble flanged butterfly valve, I hope to help you better understandDouble flanged butterfly valve . Welcome new and old customers to continue to cooperate with us to create a better future together!

Send Inquiry

Product Description

LYV double flanged butterfly valveIntroduction

Because the butterfly valve of this product is designed by eccentric principle, there is no friction and no interference between the sealing surface, and the sealing material is selected properly, so that the sealing and wear resistance of the butterfly valve are reliable.

LYV double flanged butterfly valve Parameter (Specification)

LYV double flange butterfly valve technical parameters

Nominal diameter DN (mm) 50 ~ 2000

Nominal pressure PN (MPa) 0.6 1.0 1.6

Test pressure strength test 0.9 1.5 2.4

Seal test 0.66 1.1 1.76

Gas seal test 0.6 0.6 0.6

Applicable medium air, water, sewage, steam, gas, oil products, etc.

Drive form manual, worm and worm gear transmission, gas transmission, electric transmission.

Part name material

Valve body ductile iron, cast steel, alloy steel, stainless steel

Butterfly plate cast steel, stainless steel and special materials

Sealing ring all kinds of rubber, PTFE

Stem 2Cr13, Stainless steel

Filler O-ring, flexible graphite O

Sealing material selection and applicable temperature

Material variety neoprene rubber butadiene rubber ethylene propylene rubber polytetrafluoroethylene silicone rubber fluorine rubber natural rubber nylon

English abbreviation CR NBR EPDM PTFE SI VITON NR PA

Model number X or J XA or JA XB or JB F or XC, JC XD or JD XE or JE X1 N

Temperature 82℃ 93℃ 150℃ 232℃ 250℃ 204℃ 85℃ 93℃

Low temperature -40℃ -40℃ -40℃ -268℃ -70℃ -23℃ -20℃ -73℃

Applicable working temperature 0 ~ + 80 ℃ - 20 40 ~ + 125 ℃ ~ + 82 ℃ - - 30 ~ + 150 ℃ ~ + 150 ℃ - 70-23 + 85 ℃ ~ + 150 ℃ ~ 20 ~ 30 ~ + 93 ℃

LYV double flanged butterfly valveFeature And Application

1, design, reasonable, unique structure, light weight, fast opening and closing.

2. Small operating torque, convenient operation, labor-saving dexterity.

3, can be installed in any position, easy maintenance.

4, the sealing parts can be replaced, the sealing performance is reliable to achieve two-way sealing zero leakage.

5, sealing material aging resistance, weak corrosion resistance, long service life and so on.

Design standard: GB/T2238-1989