Industry Surplus Australia is based in Perth, Australia and specialises in surplus goods from the military, mining and medical industries. We proudly stand by our reputation and encourage you to review our Feedback. On offer is a. WILDEN 1/4 PNEUMATIC DIAPHRAGM PUMP. Type: Pneumatic Diaphragm Pump. Suction: 4.1 m max. Solids: 4.0 mm max. Block & Air Valve: Polypropylene & Acetal. Please contact me if you need technical help, better photos or User Manuals. Nevan, Industry Surplus Australia. The item “Wilden P. 025 1/4 Metal Pneumatic Air Diaphragm Pump” is in sale since Thursday, September 21, 2017. This item is in the category “Industrial\Hydraulics, Pneumatics, Pumps & Plumbing\Pumps & Pump Accessories\Vacuum Pumps\Diaphragm Pumps”. The seller is “industrysurplusaustralia” and is located in Henley Brook, WA. This item can be shipped worldwide.