Development History of Rolling Diaphragm Product Industry
Diaphragm pumps can be divided into two types according to their operating modes: normally closed, coil, joint, and actuator. Normally closed: When the coil is energized, the pilot head engages, opens, and closes. When the coil is energized, the pilot head engages, opens, and closes. When the coil is energized, the pilot head engages, opens, […]