{"product_id":"air-operated-double-diaphragm-pump-qby4-25l-1-inch","title":"Air Operated Double Diaphragm Pump QBY4-25L 1 inch Outlet 35 GPM Pneumatic Transfer Max 120 PSI Industrial Use Chemical Waste Oil Dual Dissepiment Nitrile Fluorine Rubber by Cast Iron Aluminum Alloy","description":"\u003cdiv\u003eAir-Operated Double Diaphragm Pump QBY4-25L - 1-Inch Outlet, Single Unit, 35 GPM, 120 PSI, Aluminum\/Cast Iron Body\u003cbr\u003e\n✔️ Air-operated double diaphragm pump, QBY4-25L, 1\" outlet, 35 GPM, 120 PSI max, aluminum or cast iron body, max head 275 ft, suction 23 ft; non-corrosive liquids only. \u003cp\u003eAir Operated Double Diaphragm Pump QBY4-25L is a pneumatic transfer pump built for rugged industrial environments. It’s commonly used in chemical processing, paint and coating operations, petroleum and automotive workflows, and waste oil handling where reliable, hands-off transfer is essential. The pump features a robust aluminum body with option for cast iron, externally serviceable diaphragm, and a modular air distribution system to minimize downtime and pulsation.\u003c\/p\u003e ✅ Aluminum body with optional cast iron construction; double diaphragm design for reliable, leak-free fluid handling; externally serviceable air distribution for quick maintenance \u003cbr\u003e\n✅ Inlet\/Outlet size: 1 inch (25 mm); Air inlet: 1\/2 inch NPT (12.7 mm) \u003cbr\u003e\n✅ Flow rate: 35 GPM; Max head: 275 ft (84 m); Suction: 23 ft (7 m) \u003cbr\u003e\n✅ Max temp: 150 °F; Max pressure: 120 PSI \u003cbr\u003e\n✅ Diaphragm materials: nitrile rubber, fluorine rubber, chloroprene rubber \u003cbr\u003e\n✅ Not for corrosive liquids; designed for non-corrosive liquids like oils and water-based chemicals \u003cbr\u003e\n✅ All-bolted, leak-free construction with externally serviceable air valve for stall-free operation and low pulsation \u003cbr\u003e\n✅ Widely used in petroleum, metallurgy, mining, coatings, paint, printing, water treatment, automotive \u003cbr\u003e 💡 What is an air operated double diaphragm pump used for in industrial liquid transfer?\nHere's a quick overview.\n- Handy for transferring non-corrosive liquids like oils, fuels, and water-based chemicals in industrial settings.\n- Durable, externally serviceable design with leak-free bolted construction.\n- Provides steady flow with low pulsation and high head for vertical lifts.\n- Easy installation and maintenance with separate air and liquid connections.\nThis handy setup helps move liquids quickly and reliably in process lines and maintenance tasks. \u003c\/div\u003e","brand":"Bearings Canada","offers":[{"title":"Default Title","offer_id":52222464360767,"sku":"VXB094R5T9GJ","price":607.22,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/4750\/8031\/files\/air-operated-diaphragm-pump-qby4-25l-1-inch-outlet-close-up.jpg?v=1772824243","url":"https:\/\/bearingscanada.com\/products\/air-operated-double-diaphragm-pump-qby4-25l-1-inch","provider":"Bearings Canada","version":"1.0","type":"link"}