YD8000 Self-operated Valves Series
YD800P Self-operated Vavles With Controller
YD800Z Self-operated Pressure Control Vavles
YD801Z Self-operated Differential Pressure Control Vavles
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YD8000 series self-operated pressure control valve makes use of the media self-energy to automatically modulate the valve. The unique characteristic of the valve is that it can work in the place without electricity and gas, which is an energy saving and environmental product. With acute action, the pressure set value can be modulated during operation according to on-site pressure requirement. Ordinary product can adopt quick open characteristic, linear and EQ also can be adopted. It is widely used to reduce pressure, stabilize pressure ( to control outlet pressure) or release pressure, stabilize pressure ( to control inlet pressure)of gas, fluid, steam media in petroleum, chemical, power, metallurgy, food, light textile, resident building ect. various industrial equipment.


  Body type   YD800Z YD801Z YD800P
  Body size   1/2"~12"(15A~300A)
  Body rating   ANSI Class150~600,PN1.0 MPa ~PN6.3 MPa
  Fluid temp.   -5~+250℃
  Connections   Flange(RF、MFM、RJ)
  Body materials   WCB、WC6、CF8、CF8M,etc.
  Trim materials   304SS、316SS、17-4PH,etc.
  Pressure modulating range   0.1~1000KPa
  Flow characteristics   Equal percentage、Linear、 Quick open
  Leakage   Metal seat:ANSI Class Ⅳ
  Soft seat:ANSI Class Ⅵ
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