 
First, D941X Electric Flange Type Soft Seal Butterfly Valve Product Overview
D941X Electric Flange Type Soft Seal Butterfly Valve, also known as flap valve, is a simple structure of the control valve, but also can be used for low-pressure pipe media switch control. Electric flange type soft butterfly valve is a circular butterfly plate for the opening and closing parts and with the stem to open, close and adjust the fluid channel of a valve. The flange plate of the electric flange type soft seal butterfly valve is installed in the diameter direction of the pipe. In the butterfly valve body cylindrical channel, disc-shaped butterfly plate around the axis of rotation, rotation angle of 0 ° ~ 90 ° between, rotated to 90 °, the valve was fully open state.
 
Second, D941X Electric Flange Type Soft Butterfly Valve Performance Specifications
  Valve Material: Cast Iron, Carbon Steel, Stainless Steel 
  Ring Material: Natural Rubber (NR) -20 ~ +85 ℃ 
  Ethylene Propylene Rubber (EPDM) -40 ~ +125 ℃     
  Nitrile Rubber (NBR) -20 ~ + 82 ℃   
  Silicone Rbber (SI) -70 ~ + 150 ℃   
  Fluorine Rubber (FPM) -23 ~ + 150 ℃   
  Fluorine Rubber (CR) 0 ~ +80 ℃   
  Butyl Rubber (IIR) -40 ~ +100 ℃    
  Teflon Plastic (PTFE) + 10 ~ + 150 ℃ 
  
Third, D941X Electric Flange Type Soft Seal Butterfly Valve with Standard
  Flange Connection Size: GB / T17241.6-98, GB9115 -88 
  Structure Length: GB12221-89 
  Pressure Test: GB / T13927-92; 
 Applicable Medium: Fresh Water, Sewage, Sea Water, Air, Steam, Food, Medicine, all kinds of oils, acids, alkalis, salts and so on.
  
Fourth, D941X Electric Flange Fype Soft Seal Butterfly Valve Size
