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Home > Diaphragm Slurry Pump > 2 Inch Air Operated Cast Iron Pneumatic Diaphragm Pump for Waste Water Slurry
2 Inch Air Operated Cast Iron Pneumatic Diaphragm Pump for Waste Water Slurry
2 Inch Air Operated Cast Iron Pneumatic Diaphragm Pump for Waste Water Slurry
2 Inch Air Operated Cast Iron Pneumatic Diaphragm Pump for Waste Water Slurry
2 Inch Air Operated Cast Iron Pneumatic Diaphragm Pump for Waste Water Slurry
2 Inch Air Operated Cast Iron Pneumatic Diaphragm Pump for Waste Water Slurry
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2 Inch Air Operated Cast Iron Pneumatic Diaphragm Pump for Waste Water Slurry
2 Inch Air Operated Cast Iron Pneumatic Diaphragm Pump for Waste Water Slurry
2 Inch Air Operated Cast Iron Pneumatic Diaphragm Pump for Waste Water Slurry
2 Inch Air Operated Cast Iron Pneumatic Diaphragm Pump for Waste Water Slurry
2 Inch Air Operated Cast Iron Pneumatic Diaphragm Pump for Waste Water Slurry

2 Inch Air Operated Cast Iron Pneumatic Diaphragm Pump for Waste Water Slurry

Customization: Available
After-sales Service: Available
Warranty: Pump Body 5 Years
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Product Description

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Basic Information

Model NO.:QBY3-50
Certification:ISO9001:2008, CE
Power:Pneumatic
Material:Cast Iron
Valve Body Type:Diaphragm
Diaphragm:2PCS PTFE+2PCS Santoprene
Flowrate:378.5 L/Min
Inlet & Outlet:2 Inch, 50 mm
Lift Head:84 M
Max Viscosity:10000 Cps
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Product Description

1 inch air operated PP double diaphragm pump

Pneumatic Diaphragm Pump
ModelQBY3-50
Body MaterialCast Iron
Diaphragm2 pcs PTFE + 2 pcs Santoprene
Flowrate378.5 LPM
Inlet Size2 inch (50 mm)
Air Inlet1/2 inch
Max Suction5.48 m
Lift Head84 m
Exit Pressure8.4 bar
Pump Dimensions
Pump Detail 1
Pump Detail 2
Pump Detail 3
Technical Layout

Pneumatic diaphragm pump is a new type of transport device, used to transport various materials like liquid, slurry, powder, even of high viscosity, volatile, flammable, highly toxic liquid.

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Key Advantages

✓ Reliable reversing valve, works even under poor air source quality.
✓ Smooth air path from 1/2" to 3" ensures flexible reversing without obstacles.
✓ Reversing valve is totally externally maintainable for easy servicing.
✓ Fewer moving parts compared to other diaphragm pump designs.
✓ Pilot type reversing valve with extended working life for continuous operation.
✓ Universal reversing valve design suits different pump sizes.
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Product Parameters

Parameters Chart
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Application Areas

Commonly applied in ship/bus/train unloading, chemical production, batch treatment, tank conveying, wastewater treatment, fluid filtration, and recycling systems.

Application 1
Application 2
Application 3
Application 4
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Frequently Asked Questions

What is the maximum flow rate of the QBY3-50 pump?
The maximum flow rate is 378.5 Liters Per Minute (LPM).
What materials are the diaphragms made of?
It features a robust configuration of 2 pieces of PTFE and 2 pieces of Santoprene for enhanced durability.
Can this pump handle solids?
Yes, the QBY3-50 can handle particles with a maximum size of up to 4.8mm.
Is the reversing valve difficult to maintain?
No, the reversing valve is designed to be totally externally maintainable, which reduces downtime significantly.
What is the maximum lift head for this model?
This pump provides a powerful lift head of up to 84 meters.
What kind of fluids can this pump transport?
It is suitable for high viscosity liquids (up to 10000 Cps), slurries, volatile chemicals, and flammable or toxic fluids.

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