9 Specification: φ8mm(5/16''),φ10mm(3/8'')、φ15mm(1/2'')、φ25mm(1'')、φ40mm(11/2'')、φ50mm(2'')、φ65mm(21/2'')、φ80mm(3'')、φ100mm(4'')。
4 materials of pump body: Aluminum alloy, cast iron, stainless steel, engineering plastic.
Diaphragm materials: NBR, Neoprene, Fluorine plastic (Viton), Teflon(FEP/F46)/PTFE for different medium