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EXT-420 Butane Propane Extraction Pump

High- Pressure Positive Displacement Piston Pump-

Drop shipped from Manufacturer

Single Stage Pneumatic Recovery Pump

EXT-420 high-pressure, positive-displacement single 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.

Applications

Designed for supercritical extraction of essential botanical oils

Features and Benefits

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

Operation

Proper operation of the Haskel EXT420 pumps will require the following additional equipment:

Compressed air source capable of providing approximately 25 CFM of air at 90 psi (6.2 bar) or higher (Compressor must be located in an area away from the LPG gasses)
Compressed air filter filtering to 40 microns or better
Drive air pressure regulator
Drive air speed control valve - such as a gate valve or a globe valve (not a ball valve)

EXT-420 Specifications

Single stage
Ideal 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)
Pump will transfer approximately ½ lb/min with an inlet pressure of 50 psi (3.4 bar) and an outlet pressure of 150 psl (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)

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