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A diaphragm pump (also known as a Membrane pump) is a positive displacement pump that uses a combination of the reciprocating action of a rubber, thermoplastic or teflon diaphragm and suitable valves on either side of the diaphragm (check valve, butterfly valves, flap valves, or any other form of shut-off valves) to pump a fluid.
Application：
1. Perfect for use with water.
2. Ideal for use with industrial liquid and all kinds of waste water.
3. Not suitable for strong acid and alkali.
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
Diaphragm Material: Santoprene(R)
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
sylvain boilard
Reviewed in Canada on April 13, 2025
Elle est très bruyante mais pompe bien.
Alessio Mini
Reviewed in the United States on May 8, 2024
Al ver que no succionaba lo suficiente procedimos desarmarla y nos dimos cuenta que estaba oxidada con todos los empaques dañados y tuvimos que hacerle un mantenimiento completo para no parar la instalación, no confíen en este vendedor y producto
Customer
Reviewed in the United States on March 1, 2023
It works as it should. I have only pumped about 50 gallons so far but it worked well. The only thing I found wrong was there were a couple of bolts that were not tightened up when assembled.
Jon
Reviewed in the United States on October 19, 2022
I bought two of the from Amazon. Both stopped working is six weeks. There is no customer support I can find and returns at Amazon are 30 days.You’ve been warned
ggg
Reviewed in the United States on January 6, 2022
Not impressed at all Small small small ‘ looks like a toy for my granddaughter!!!!! Haven’t used it yet to pump oil ‘ but I have a feeling I’ll be throwing it in the garage!!!!!
Adam *
Reviewed in the United States on April 26, 2022
It worked properly initially, however after 1 season of using it to pump water for irrigation of the garden the pump has lost most of its pressure. Right now it just sounds like it is pumping at full throttle, but water flow and pressure are almost null.
Super clean
Reviewed in the United States on August 31, 2021
I run pnuematic pumps everyday…. With that said even with gravitaiinal fed water supply the most you will get is 2gpm
John C.
Reviewed in the United States on August 3, 2021
Works well even holds up to bleach; only downside is that after running the bleach through it turns black. At first I thought it was packing grease and would stop but it hasn’t in many uses so I suspect that the bleach is turning black because of the diaphragm degradation.
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