1/2" Nitrile Diaphragm Pneumatic Transfer Pump for Petroleum, Diesel & Low Viscosity Fluids, 12 GPM, Cast Iron
1/2" Nitrile Diaphragm Pneumatic Transfer Pump for Petroleum, Diesel & Low Viscosity Fluids, 12 GPM, Cast Iron
Fast Delivery
Free returns
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Returns
Returns
We accept returns within 30 days of delivery. Items must be unworn, unwashed, and returned with original tags attached.
Care Instructions
Care Instructions
To preserve the beauty of your dress, we recommend gentle hand washing or dry cleaning. Do not bleach. Hang or lay flat to dry. Steam or iron on low heat if needed.
Shipping
Shipping
Orders are processed within 1–3 business days.
- Standard Shipping: 5–9 business days — $3.95
- Express Shipping: 4–7 business days — $9.95
Delivery times are estimates and may vary depending on your location. Tracking information will be provided once your order has been shipped.
Our air-operated double diaphragm pump is engineered for pneumatic transfer of petroleum, diesel, oil, and low viscosity fluids with unmatched efficiency. Built with premium nitrile diaphragms, it ensures durability, corrosion resistance, and long-lasting performance in demanding industrial environments. With a max flow rate of 12 GPM (3 GPM per section) and a max pressure of 90 PSI, this pump delivers consistent, high-performance fluid handling.
Sturdy, Leak-Proof Construction:
The diaphragm pump housing is constructed from heavy-duty cast iron, providing superior strength and corrosion resistance. Its bolted, leak-proof design ensures secure operation, minimizing maintenance and downtime. Whether transferring waste oil, hydraulic fluid, or detergents, this pump withstands harsh conditions while maintaining peak efficiency.
Optimized for Smooth Operation:
Featuring a 1/2-inch inlet/outlet port and 1/4-inch FNPT air inlet, this pneumatic transfer pump is designed for high-performance fluid transfer. The double-acting sealing system with a glyd ring enhances air efficiency, while the stainless steel modular air valve ensures low pulsation and rapid changeover, reducing wear and improving lifespan.
Versatile Industrial Applications:
This nitrile diaphragm pump is ideal for multiple industries, including:
Petroleum & diesel transfer
Waste oil and hydraulic fluid handling
Chemical, coating, and printing operations
Water treatment and beverage industries
Automotive and mining fluid management

what our customers say about us
4.9
Based on 100+ Reviews
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EEmily R.Verified BuyerPerfect for a summer weddingI wore this to my cousin's wedding and felt amazing all day. The fit was exactly as expected, and I received so many compliments. I ordered my usual size S.1/2" Nitrile Diaphragm Pneumatic Transfer Pump for Petroleum, Diesel & Low Viscosity Fluids, 12 GPM, Cast Iron Was this helpful? 23 2
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OOlivia H.Verified BuyerBeautiful dressReally happy with this purchase. I only wish I had steamed it before trying it on because it arrived with a few wrinkles from shipping.1/2" Nitrile Diaphragm Pneumatic Transfer Pump for Petroleum, Diesel & Low Viscosity Fluids, 12 GPM, Cast Iron Was this helpful? 0 0
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SSarah T.Verified BuyerSo flatteringI have a hard time finding dresses that fit my waist properly, but this one was perfect. Very comfortable to wear for several hours.1/2" Nitrile Diaphragm Pneumatic Transfer Pump for Petroleum, Diesel & Low Viscosity Fluids, 12 GPM, Cast Iron Was this helpful? 0 0
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CChloe W.Verified BuyerWorth every dollarThe quality surprised me. The material has a nice weight and doesn't feel see-through at all. I'll definitely order another style.1/2" Nitrile Diaphragm Pneumatic Transfer Pump for Petroleum, Diesel & Low Viscosity Fluids, 12 GPM, Cast Iron Was this helpful? 0 0
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AAmanda K.Verified BuyerEngagement photo approvedBought this for our engagement photos and couldn't be happier. It looked beautiful in natural light and fit perfectly.1/2" Nitrile Diaphragm Pneumatic Transfer Pump for Petroleum, Diesel & Low Viscosity Fluids, 12 GPM, Cast Iron Was this helpful? 0 0
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NNicole B.Verified BuyerRuns slightly roomyI was between sizes and ordered the larger one. It still looked great, but I probably could have gone with my usual size.1/2" Nitrile Diaphragm Pneumatic Transfer Pump for Petroleum, Diesel & Low Viscosity Fluids, 12 GPM, Cast Iron Was this helpful? 0 0
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HHannah C.Verified BuyerComfortable all eveningWore this to a formal dinner and didn't have to adjust it once. It stayed comfortable from start to finish.1/2" Nitrile Diaphragm Pneumatic Transfer Pump for Petroleum, Diesel & Low Viscosity Fluids, 12 GPM, Cast Iron Was this helpful? 0 0
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MMegan L.Verified BuyerLove the qualityBeautiful stitching and a really elegant design. It feels much more expensive than it actually is.1/2" Nitrile Diaphragm Pneumatic Transfer Pump for Petroleum, Diesel & Low Viscosity Fluids, 12 GPM, Cast Iron Was this helpful? 0 0
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RRachel S.Verified BuyerTrue to sizeI followed the size chart and ordered a Medium. It fit exactly the way I wanted.1/2" Nitrile Diaphragm Pneumatic Transfer Pump for Petroleum, Diesel & Low Viscosity Fluids, 12 GPM, Cast Iron Was this helpful? 0 0
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AAshley D.Verified BuyerReceived so many complimentsEveryone kept asking where I bought this dress. It's simple, elegant, and easy to accessorize.1/2" Nitrile Diaphragm Pneumatic Transfer Pump for Petroleum, Diesel & Low Viscosity Fluids, 12 GPM, Cast Iron Was this helpful? 0 0
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LLauren P.Verified BuyerVacation favoritePacked this for my trip to Italy and wore it twice. It's lightweight, comfortable, and photographs beautifully.1/2" Nitrile Diaphragm Pneumatic Transfer Pump for Petroleum, Diesel & Low Viscosity Fluids, 12 GPM, Cast Iron Was this helpful? 0 0
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BBrittany G.Verified BuyerLovely dressThe zipper was a little stiff the first time, but after wearing it once everything worked perfectly. Overall, I'm very happy.1/2" Nitrile Diaphragm Pneumatic Transfer Pump for Petroleum, Diesel & Low Viscosity Fluids, 12 GPM, Cast Iron Was this helpful? 0 0
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KKayla N.Verified BuyerHelpful customer serviceI wasn't sure which size to buy, so I contacted support first. They recommended a Small, and it fit perfectly.1/2" Nitrile Diaphragm Pneumatic Transfer Pump for Petroleum, Diesel & Low Viscosity Fluids, 12 GPM, Cast Iron Was this helpful? 0 0