safety valve

safety valve/ back pressure valve

Categories: Pump Accessories
Model NO.: Back Pressure Valve

 Ligao safety relief valve and back pressure valve help to relieve excess pressure on the pump system or maintain pressure at a setted point .Safety relief valve is installed on the outlet pipeline of metering pump. When the system pressure becomes abnormal, safety relief valve protects metering pump from any damages. Back pressure valve shall be installed at the outlet of metering pump in order to reduce siphon and excess feeding, and ensure the metering accuracy of metering pump is not affected, when dosing point is lower than the outlet of metering pump.

  Each Ligao safety relief valve and back pressure valve is diaphragm type with 2-port design, which can be used both as safety relief valve and back pressure valve.

Ligao safety relief valve and back pressure valve material: PVC; PTFE; SS304;SS316or 316L;Carbon Steel

Ligao safety relief valve and back pressure valve connection size:
 
DN6,DN8,DN10,DN15,DN20,DN25,DN32,DN40,DN50,DN65,DN80,DN100

Ligao safety relief valve and back pressure valve pressue range: 0-1Mpa (PVC,PTFE)

            0-3Mpa(SS304,SS316,Carbon Steel/DN6~DN15)

            0-2.5Mpa(SS304,SS316,Carbon Steel/DN20~DN25)

            0-2Mpa(SS304,SS316,Carbon Steel/DN25~DN65)

            0-1Mpa(SS304,SS316,Carbon Steel/DN80~DN100)

Ligao safety relief valve and back pressure valve connection type: Female thread ,Flange,glue union




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