PTFE Diaphragm/Santoprene/Buna/Hytrel for Air Operated Double Diaphragm Pump

SELECTION PARAMETER Model Max Head (m) Max Suction Height (m) Max Permitted Grain (mm) Fluid Inlet/Outlet Size (inch) Air Inlet Size (inch) Max Flow Rate (L/min) Max Air Consumption (L/s) GK-06 70 3 1.5 1/4 1/4 19 3.5 GK-10 70 3.7 1.6 3/8 1/4 26.5…

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SELECTION PARAMETER

Model	Max Head (m)	Max Suction Height (m)	Max Permitted Grain (mm)	Fluid Inlet/Outlet Size (inch)	Air Inlet Size (inch)	Max Flow Rate (L/min)	Max Air Consumption (L/s)
GK-06	70	3	1.5	1/4	1/4	19	3.5
GK-10	70	3.7	1.6	3/8	1/4	26.5	9
GK-15/20	70	4.5	4.5	1/2	1/4	57	10
GK-25	84	5	4	1	1/2	150	22.5
GK-40	84	5	5	1-1/2	1/2	340	40
GK-50	84	5	6	2	1/2	570	70
GK-80	84	5	9.4	3	3/4	1022	90

Hytrel Diaphragm	Santoprene Diaphragm	Imported Santoprene Diaphragm	PTFE Diaphragm

Applications

Wastewater Treatment

Commonly used in the fields of sediment and wastewater treatment. It is recommended to select aluminum alloy, cast iron or PP.

Biomedical Sciences

Commonly used for transporting solid powders, liquid medicines, solvents, etc. It is recommended to choose PP/PVDF/stainless steel.

Oil and Gas Applications

Commonly used in natural gas systems, workover equipment, offshore platforms, sedimentation tank emptying, etc. It is recommended to select stainless steel or aluminum alloy.

Coatings Industry

Commonly used for applications such as adhesive transfer, grouting, handling of viscous materials, and paint filtration. Pump bodies made of aluminum alloy or stainless steel are recommended.

New Energy Industry

Commonly used for conveying cathode slurries, fluorine-containing compounds, and other media. Pump bodies made of PP or PVDF are recommended.

Shipyard & Offshore Engineering

Commonly used for the transfer of seawater, bilge wastewater, fuel oil, and lubricating oil. Pump bodies made of cast iron or stainless steel are recommended.