Solenoid-driven Diaphragm Metering Pumps Safe, Easy and Long-Life Need help with this product? We’re ready and waiting for your questions/inquiries. Inquire Now Features 2-point Level Switch ControlCount (batch) & Interval (timer) OperationPrecision Control by Actual Discharge Volume Simple, Safe, Air ReleaseExtensive Range of Liquid-end MaterialsAnalog-Input Proportional ControlPulse-Input Proportional Control & External Stop Input Control Specification: PZi4 / PZi8 (S-size with Relief Valve)Specification: PZi4 / PZi8 (S-size/L-size)Accessory Need help with our products or just looking for more information on CAMDEN Products and Services? We’re ready and waiting for your questions / inquiries. Get In Touch