RW Series Air operated double diaphragm pump similar with GRACO pump and adopt three way air pilot valve for true no-sticking and lube-free operation.

Pump Material:

1. Pump body: cast iron, aluminum alloy, stainless steel, PP, PVDF etc.

2. Diaphragm: NBR, Viton, Neoprene, Teflon, EPDM etc.

3. Air operated pump using compressed air as the power source, it can convey corrosive, volatile, flammable, poisonous liquid or fluids with particles and high viscosity liquid etc.