Back pressure valve precautions

Back pressure valve when using Note: 1, to avoid resonance with the system. 2. When used with a pulsation damper, a pulsation damper should be placed between the pump and the backpressure valve to absorb the peak flow between the pump and the backpressure valve. Slow back pressure valve wear speed. 3, outdoor use should be added protective shed or protective cover. 4. Before any maintenance of the back pressure valve, stop the equipment, release the pressure, close the back pressure valve and the valve associated with the system, and confirm that there is no pressure in the pulsation damper. Maintenance attention to prevent liquid being transported to the human body. 5, if the back pressure valve import and export reverse, back pressure will be doubled, to the system and may be hazardous. Imported pump industrial washing machine 6, back pressure valve found during operation should be promptly cut off the power. 7. Note: Before any maintenance of the back pressure valve, stop the operation of the equipment, release the pressure, close the back pressure valve and the valve associated with the system, and confirm that there is no pressure in the pulsation damper. Maintenance attention to prevent liquid being transported to the human body.