Wilden Wilton P Series metal pump ----- dual-chamber diaphragm pump driven by gas source, its simple structure, easy operation and maintenance; applies to both general application places suitable for special applications place, including semiconductors wide field of applications, including the treatment of industrial and sewage. The pump is made of aluminum, cast iron, stainless steel or Hastelloy diaphragm and valve ball, valve seat selection of synthetic rubber neoprene, polypropylene, Viton, three rubber and PTFE. Specification pump Model diameter (inches) Maximum flow (L / M) maximum transport particles (mm) maximum outlet pressure (bar) P1 1/2 58.6 1.59 8.6 P2 1 170.3 3.17 8.6 P4 1.5 306.5 4.76 8.6 P8 2 590.5 6.35 8.6 T15 3 878.1 9.5 8.6 T20 4 1040 35 8.6