--- product_id: 605997028 title: "Air Operated Double Diaphragm Pump 1/2\" Inlet & Outlet Heavy Duty Waste Oil Transfe Pump QBK-15 for Diesel, Grease, Kerosen 13GPM" brand: "sofedy" price: "2110.25 DT" currency: TND in_stock: true reviews_count: 6 category: "Sofedy" url: https://www.desertcart.tn/products/605997028-air-operated-double-diaphragm-pump-1-2-inlet-and-outlet store_origin: TN region: Tunisia --- # 13 GPM max flow rate -20℉ to 150℉ operating temp Polypropylene leak-proof housing Air Operated Double Diaphragm Pump 1/2" Inlet & Outlet Heavy Duty Waste Oil Transfe Pump QBK-15 for Diesel, Grease, Kerosen 13GPM **Brand:** sofedy **Price:** 2110.25 DT **Availability:** ✅ In Stock ## Summary > 🚀 Pump up your productivity with unstoppable flow power! ## Quick Answers - **What is this?** Air Operated Double Diaphragm Pump 1/2" Inlet & Outlet Heavy Duty Waste Oil Transfe Pump QBK-15 for Diesel, Grease, Kerosen 13GPM by sofedy - **How much does it cost?** 2110.25 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/605997028-air-operated-double-diaphragm-pump-1-2-inlet-and-outlet) ## Best For - sofedy enthusiasts ## Why This Product - Trusted sofedy brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Versatile Fluid Handling:** Handles everything from diesel and grease to detergents and beverages — your all-in-one industrial pump. - • **Unmatched Flow Efficiency:** Delivers a powerful 13 gallons per minute to keep your operations running smooth and fast. - • **Built to Last, Built to Perform:** Durable polypropylene body and PTFE diaphragms ensure leak-proof, heavy-duty use without compromise. - • **Extreme Conditions? No Problem.:** Operates flawlessly from freezing -20℉ to scorching 150℉, built for the toughest environments. - • **Eco-Smart & Maintenance Friendly:** Bolted construction prevents leaks and unbalanced air valve guarantees no-stall operation for worry-free pumping. ## Overview The SOFEDY QBY-15PP Air Operated Double Diaphragm Pump features a robust polypropylene body and PTFE diaphragms, delivering up to 13 GPM flow at pressures up to 100 psi. Designed for versatility, it handles a wide range of fluids including waste oil, diesel, and detergents, operating reliably in temperatures from -20℉ to 150℉. Its leak-proof, bolted construction and no-stall air valve make it an efficient, durable choice for industrial and automotive fluid transfer needs. ## Description Working Principle: In the pump two symmetrical working chamber each equipped with a diaphragm, the center link will be integrated into one. Compressed air from the pump inlet into the valve, through the valve body to introduce compressed air into one of the chamber to promote movement of the diaphragm chamber, while the other chamber gas emissions. Once the end of the stroke is reached, the gas distribution mechanism automatically introduces compressed air into the other working chamber to push the diaphragm in the opposite direction so that the two diaphragms move back and forth in unison. Feature: Air-operated double diaphragm pump With 1/2 inch inlet and outlet 1/4 Inch air inlet 3/32 Inch max diameter suspended solids Good abrasion resistance Chemical resistance and heat resistance Serviceability and environmentally sound Perfect for use with water Ideal for use with low viscosity petroleum fluids Solid construction Two years warranty Specifications: Product: Diaphragm pump Type: Double diaphragm Operation Type: Air-operated Model: QBY-15PP Body Material: Polypropylene Inlet Port: 1/2 inch (12.7 mm) Outlet Port: 1/2 inch (12.7 mm) Air Inlet Size: FNPT 1/4 inch (6.35 mm) Max Flow Rate: 2 m3/h (13 GPM) Suction: 0-5 m (0-16.4 ft) Max Suspended Solids: 2.38 mm (3/32 inch) Max Head: 69 m (226.4 ft) Max PSI: 100 psi Temp. Rating: -20℉ ~ 150 ℉ Self-Priming Dry: 3 m (10 ft) Self-Priming Wet: 4.6 m (15 ft) Valve Type: Ball Ball Material: Santoprene(R) Check Seat Material: Polypropylene Manifold Connection: Multiport Application: Industrial Package Size: 31 x 27 x 21 cm (12.2 x 10.6 x 8.3 inch) Gross Weight: 4.14 kg (9.13 lbs) Package Content: 1 x Air-Operated Double Diaphragm Pump QBY-15PP 1 x Product Manual Review: Feedback on Order Delivery and Shipping Experience - Item was good. as described. only issue i faced. they split the order. i delivered in dubai. and then used local cargo to bring here in oman. so i had to pay double shipping costs. Still i am giving 5 stars. Please be carefull next time Review: Pumps faster and less money than the last ## Features - 【HIGH PERFORMANCE】Our air-operated double-diaphragm pumps feature PTFE diaphragms for durability and long service life. Diaphragm pump housing is made of polypropylene material, bolted, leak-proof, sturdy, and will not fall off after long-term use. - 【WORKING PRINCIPLE】A diaphragm is installed in the working chamber on both sides of the air diaphragm pump, and the central link is combined into one. Compressed air from the pump inlet into the valve, through the valve body to introduce compressed air into one of the chamber to promote movement of the diaphragm chamber, while the other chamber gas emissions. - 【VERSATILITY】Our diaphragm pump can handle all kinds of waste oil, alcohol, hydraulic oil, gasoline, diesel, detergent, beverage and other fluids. It is widely used in petroleum, metallurgy, mining, coatings, printing, water treatment and automotive industries.Multiple porting options for your application needs. - 【OPERATING PARAMETERS】Operating temperature range: -20℉ ~ 150℉; Maximum pressure: 100psi; Maximum flow: 2m³/h (13 GPM); Maximum lift: 69 m (226.4 ft).Motor design delivers optimum air efficiency. - 【ENVIRONMENTALLY SOUND】Bolted construction for leak-free fluid handling.Unbalanced air valve ensures no-stall operation ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07QB6NCCQ | | ASIN | B07QB6NCCQ | | Batteries Included? | No | | Batteries Required? | No | | Color | Onecolor | | Customer Reviews | 4.3 4.3 out of 5 stars (25) | | Customer reviews | 4.3 4.3 out of 5 stars (25) | | Date First Available | 23 September 2022 | | Date First Available | 23 September 2022 | | Flow Rate | 13 Gallons Per Minute | | Item Weight | 3.67 Kilograms | | Item model number | SR-001 | | Item model number | SR-001 | | Manufacturer | SOFEDY | | Manufacturer | SOFEDY | | Material | Polypropylene (PP) | | Part number | SR-001 | | Power source type | [INFERRED] External Air Compressor | | Product Dimensions | 30.99 x 26.92 x 21.01 cm; 3.67 kg | | Product Dimensions | 30.99 x 26.92 x 21.01 cm; 3.67 kg | | Style | QBY-15PP | ## Product Details - **Brand:** SOFEDY - **Colour:** Onecolor - **Material:** Polypropylene (PP) - **Product dimensions:** 31L x 26.9W x 21H centimeters - **Style:** QBY-15PP ## Images ![Air Operated Double Diaphragm Pump 1/2" Inlet & Outlet Heavy Duty Waste Oil Transfe Pump QBK-15 for Diesel, Grease, Kerosen 13GPM - Image 1](https://m.media-amazon.com/images/I/61J4sZza-NL.jpg) ## Available Options This product comes in different **Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Feedback on Order Delivery and Shipping Experience *by M***D on 8 July 2025* Item was good. as described. only issue i faced. they split the order. i delivered in dubai. and then used local cargo to bring here in oman. so i had to pay double shipping costs. Still i am giving 5 stars. Please be carefull next time ### ⭐⭐⭐⭐⭐ Review *by J***G on 1 January 2020* Pumps faster and less money than the last ### ⭐⭐⭐⭐ Review *by J***R on 28 September 2021* Really nice unit with a great price and is working well. I have now bought my second unit and will be using more in the future. ## Frequently Bought Together - SOFEDY Air Operated Double Diaphragm Pump 1/2" Inlet & Outlet Heavy Duty Waste Oil Transfe Pump QBK-15 for Diesel, Grease, Kerosen 13GPM - JoyTube Plastic Hose Barb Fittings 1/2" Barb X 1/2" NPT Male Thread Adapter Connector Pipe Fittings (pack of 6) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/605997028-air-operated-double-diaphragm-pump-1-2-inlet-and-outlet](https://www.desertcart.tn/products/605997028-air-operated-double-diaphragm-pump-1-2-inlet-and-outlet) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-08-26*