Will this pump go on neutral when you close the valves?

This pump is pneumatic. The material is pushed in one direct when the air valve is turned on.

Where woukd i find a rebuild kit for this pump if i needed one? Any part numbers or kits?

I am having the same problem no parts available as far as I can see I have been searching for hours and still no luck.

rebuild kit for qpk15?

Just because you put a question mark at the end of a statement doesn't make it a question. I recommend looking at previously answered questions. This is a cheap Chinese clone of an industrial pump. If you need rebuilt kits, buy a pump from a pump supply company.

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🚀 Elevate your workflow with unstoppable pumping power!

POWERFUL 35 GPM FLOW - Keep your operations running at peak efficiency with a robust max flow rate.
UNMATCHED DURABILITY - Premium nitrile diaphragms and aluminum housing ensure long-lasting, corrosion-resistant performance.
VERSATILE INDUSTRIAL USE - Engineered to handle everything from chemicals to fuels, perfect for petroleum, mining, and water treatment sectors.
LEAK PROOF STURDY BUILD - Bolted aluminum construction guarantees zero leaks and reliable heavy-duty operation.
PRECISION AIR OPERATED DESIGN - Advanced stainless modular air valve delivers smooth, low-pulsation pumping for minimal downtime.

The Happybuy Air-Operated Double Diaphragm Pump features a 1-inch inlet/outlet, durable aluminum alloy housing, and premium nitrile diaphragms. It delivers up to 35 GPM flow at 120 PSI max pressure, with a max lift height of 275.6 feet. Designed for industrial versatility, it handles a wide range of fluids with a low-pulsation, efficient air valve system, ensuring reliable, leak-proof performance in demanding environments.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

520791CFA

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

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Brand	Happybuy
Color	Black
Material	Aluminum
Style	Diaphragm
Product Dimensions	7.8"L x 7"W x 33"H
Power Source	Air-Operated
Item Weight	19 Pounds
Maximum Flow Rate	35 Gallons Per Minute
Maximum Lifting Height	275.59 Feet
Global Trade Identification Number	00789458202135
Manufacturer	Happybuy
UPC	789458202135
Part Number	diaphragm pump
Item Weight	19 pounds
Item model number	QBY4-25L
Is Discontinued By Manufacturer	No
Size	35GPM AL Alloy Nitrile Rubber
Item Package Quantity	1
Included Components	1 x Air-Operated Double Diaphragm Pump, 1 x User Manual
Batteries Included?	No
Batteries Required?	No

Happybuy Air-Operated Double Diaphragm Pump 1 inch Inlet Outlet Aluminum 35 GPM Max 120PSI, Nitrile Diaphragm, QBY4-25L-1inch-35

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