Air Operated Double Diaphragm Pump Qbk-15 1/2 Inch Outlet 12 Gpm Pneumatic Product Features ?INDUSTRIAL QBK-15?Material:Cast iron,aluminum alloy,Stainless steel.Inlet Port: 1/2 inch;Outlet Port: 1/2 inch ;Air inlet size: 1/4 inch;Gas Nozzle: 0.32 inch;Max Flow Rate: 2 m3/h (12 GPM);Suction: 16.4 ft (5M);Max Head: 226 ft (69 M);Max PSI: 115 psi. ?EXCELLENT EFFICIENCY?Double diaphragm pump motor design delivers optimum air efficiency.Double Diaphragm:PTFE, Nitrile Rubber and Polychloroprene. ?RELIABILITY? Diaphragm pump unbalanced air valve ensures no-stall operation.Air diaphragm pump good abrasion resistance, chemical resistance, and heat resistance. ?SAFETY? Air diaphragm pump bolted construction for leak-free fluid handling. ?VARIOUS INDUSTRIES?Diaphragm pump can petroleum, metallurgy, mining, coating material, printing, paper making, water treatment, automotive and other chemical industries. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!