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The Haskel EXT420 is a pneumatically driven single stage, double acting R600 butane refrigerant transfer pump.
EXT-420 high-pressure, positive-displacement two-stage piston pumps are safe, proven, reliable, and energy saving butane/propane extraction pumps.
The high-pressure pumps offer the flexibility to speed completely variable from zero to maximum lbs/minute.
No need for unloaders or bypass valves, simply add gauges and hoses to suit your application.
|20 cu. in.|
|Drive Size||5 in.|
|Max Outlet Pressure||1250 PSI|
|Wetted Section Metals||Stainless Steel|
Features and Benefits
deal when inlet pressures are 25 to 50 psi (1.7 to 3.4 bar) and outlet pressures are 125 to 150 psi (8.6 to 10.3 bar)
The pump will transfer approximately lb/ min with an inlet pressure of 50 psi (3.4 bar) and an outlet pressure of 150 psi (10.3 bar) at maximum speed
Will draw pressure down to 15 psi (1 bar) with an outlet pressure of 150 psi (10.3 bar)
Safe for handling propane and butane (Vent port must be connected to an exhaust line that vents leaked gas outdoors)
Viton and PTFE seals
Stainless steel and aluminum wetted components
High butane transfer rates
No electrical components
Stall against load - start against load - or run dry
Requires compressed air to drive the pump - approximately 30 CFM at 100 psi (7 bar) to run the pump at maximum speed (about 60 cycles per minute)
Clean No lubrication required in the gas section Nothing is added to the gas