800X Differential Pressure Valve

3/4″~24″ (20~600mm)
Iron, Steel, S.S.

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800X Differential Pressure Valve Descriptions

800X differential pressure valve is applicable to be mounted between the air-conditioning system water supply and backwater to balance their differential pressure. It can increase the system operating factor, keep precise differential pressure steady value, and even reduce mostly the system noise and the system damage caused by over differential pressure.
800X differential pressure balancing valve is superior to other balancing valve, because it doesn’t need actuator, but only depends on the medium self-differential pressure to achieve balancing system function, so that it is one type of energy conservation and space saving intelligent valve. Flowspec Luokai can manufacture and supply the 800X differential pressure valve for pipeline sizes≤DN600mm.


  • Convenient installation and adjustment
  • Stable, safe and reliable performance
  • Long service life


  • Design & manufacturing: Q/FSF-2014
  • Face to face: Q/FSL-2014
  • Flanged ends: GB/T 17241.6, GB/T 9113, ASME B16.1 / B16.5, DIN2532-2534, DIN2542-2544
  • Inspection & testing: GB/T 13927, API 598
  • Quality assurance: ISO 90001


  • Nominal pressure: ANSI 125/150LB, PN1.0/PN1.6MPa/PN2.5MPa
  • Size: 3/4″~24″ (DN20~DN600mm)
  • Materials: cast iron (GG25, ASTM A126 B), ductile iron (GGG50, GJS500, DIN1693, BS EN1563, ASTM A536 65-45-12), carbon steel (WCB), stainless steel 304 (CF8), stainless steel 316 (CF8M), brass, bronze (C83600, C95800)
  • Applicable medium: water, sewage, sea water
  • Applicable temperature: 0℃~+80℃ (higher temperature is available upon request)


  • Water projects
  • High buildings
  • Water treatment industry
  • Power plant
  • Chemical industry

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