VF6000 series electric butterfly class features and advantages: 1, novel design, reasonable, unique structure, light weight, open and close quickly. 2, the operating torque is small, easy to operate, energy smart. 3, can be installed in any position, and easy maintenance. 4, the seal can be replaced, reliable sealing performance bi-directional sealing reach zero leakage. 5, sealing material aging, corrosion resistance and long service life. , Grooved seat sealing reliable, required torque, life assurance professional design sealing surface large brimmed, sweeping design, suitable for a variety of flange automatic clutch electric driven self conversion, safe and convenient and reliable security Protective design of ultra-torque protection, anti-condensation heaters round precision planetary rotation transfer torque, energy efficient valve position accurately show the location of the valve opening and closing windows are clearly visible through the HVAC and refrigeration systems VF6000 series of butterfly valves for hot and cold water , chilled water, cooling water off and flow regulating control, VF6000 butterfly series includes all models between DN15-600 through with switching and analog, can realize different control modes, valve and actuator The factory is already debugged site only need to install the wiring diagram to connect before. VF6000 system class butterfly various parameters: The main technical parameters of nominal diameter DN (mm) 20-2000 Nominal pressure PN (MPa) 0.6 1.0 Test pressure Ps (MPa) strength test seal test 0.006 0.9 1.5 1.1 0.6 0.6 Applicable gas seal test medium drive a manual form of air, water, sewage, steam, gas, oil, etc., worm gear, gas transmission, electric drive actuator technology parameters: Power 220VAC 35-3000Nm reference torque actuator sizes run different types of time 11-76S reference different types of power actuators size 10-200W reference different types actuators size input and output signals 4-20MA or 0-10V protection IP67 aluminum housing materials epoxy surface coating material of main parts Part Name Material Body various rubber PTFE disc gray cast iron ductile cast ring ductile cast stainless steel and special steel alloy material 2Cr13 stainless steel stem packing O-ring flexible graphite sealing materials VF6000 butterfly Temperature Materials selection and variety of chlorine nitrile butadiene rubber EPDM rubber silicone Teflon Viton Code X or orj XA or or JA Xb or or JB XC, the highest JC or orF XD or or or JE or JD XE resistant to temperature 82 ℃ 93 ℃ 150 ℃ 232 ℃ 250 ℃ 204 ℃ lowest temperature resistant -40 ℃ -40 ℃ -40 ℃ -268 ℃ -70 ℃ -23 ℃ suitable working temperature ≤65 ℃ ≤80 ℃ ≤120 ℃ ≤200 ℃ ≤200 ℃ ≤180 ℃