LYV® Wafer Type Butterfly Valve Introduction
In addition to the product list below, you can also customize your own unique LYV® clamp butterfly valve according to your specific needs. The Wafer Type Butterfly Valve is composed of rubber seal butterfly valve and carbon steel or stainless steel valve plate, valve stem. Suitable for temperature ≤80 ~ 120℃ such as food, medicine, chemical industry, petroleum, electric power, textile, paper and other water supply and drainage, gas pipeline for regulating flow and interception medium. its
LYV® clamp butterfly valve Parameter (Specification)
Clamp butterfly valve, turbine clamp butterfly valve technical parameters
Nominal diameter DN (mm) 50 ~ 800
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® clamp 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
Flange connection size :GB/T9113.1-2000; GB/T9115.1-2000; JB78
Structure length :GB/T12221-1989
Pressure test :GB/T13927-1992; JB/T9092-1999
LYV® clamp butterfly valveDetails