Jining Donghong Machinery Co., Ltd

The pressure relief valve is for the motor control, when the motor flow changes, the valve can regulate the system pressure to keep system stability, when system pressure exceeds the protection.The valve can be a safety valve to protect the system.

Code number and Order information

Code method:

1.1 series no.

Series no. is made up of 2 number, it is “46”.

1.2 motor type:”motor type “ is made up of 1 number,

if BM1(OMP) ,BM2(OMR) motor, please choose “0” for “motor type”.   If BM5 (OMS) motor, please choose “5” for “motor type”.   If HMM motor, please choose “9” for “motor type”.

1.3 port size of the relief valve:port size of the relief valve is made up of 1 number

1.4 pressure of “A” orB” port:

(1) the pressure of “A” port is made up of 3 numbers, the pressure (Bar) will be the numbers, for example, if the pressure is 100Bar, so the code number will be 100, if the pressure is 60Bar, the code number will be 060..(2) the pressure of “B” port is made up of 3 numbers, the pressure (Bar) will be the numbers, for example, if the pressure is 100Bar, so the code number will be 100, if the pressure is 60Bar, the code number will be 060..If the pressure of “A” and “B” is the same, the pressure of “ B” port could be omit.

1.5 single or dual code: If the crossover relief valve is dual ,please choose “A” , and you could also omit it.But if it is single crossover valve, please choose “B”.