DP-K40 Low pressure double-membrane pump for fluid transfer


K40 low pressure fluid transfer pump

DP-K40/A20 air operated easy carry double diaphragm pump

This DP-K40 Low pressure double-membrane pump has two diaphragms, the compressed air come to the pump body to drive the pump in the constant action of sucking and releasing, so it can pump the fluid easily by the principle.


Features of DP-K40(A20) Low pressure double-membrane pump for fluid transfer:

1. New fluid transferring pump with high capacity, light weight and compact size.

2. High quality PTFE membrane in 142mm large diameter, generate bigger volume output, and  last longer lifetime without problem. The teflon material is imported from Japan, better quality than other suppliers.  and strong capability of anti-corrosive and anti-acid/bases.

3. Air valve with double spool.

4. High precision paint pressure regulator & output regulator. attached with pressure gage.

5. Low and high manifold with inner diameter enlarged easy for cleaning and inspection.

6. Could be used for paint, chemical, oil, fluid transfer etc.


K40B 2-diaphragm pump with fluid regulator

K40B  2-diaphragm pump with fluid regulator valve & pressure gague


Model number DP-K40/A20
Max deliver capacity 40L/min
Max air pressure 7bar
Liquid inlet and outlet size 1/2″ NPT
Air inlet and outlet size 1/4″ NPT
Diameter of diaphragm/membrane 142mm
Air consumption 350 L/min
Max grain diameter 3mm
Bare pump weight 4.2kgs


below is the repair kit (easily worn parts) for K40 pump machine

repair kit for double diaphragm pump

repair kit for the double diaphragm pump



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