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The Hydratron AZ-2 Air Driven Liquid Pump is a reciprocating, positive displacement pump with a directly coupled, integral linear reciprocating air motor, designed to generate High Pressure Liquid flow. The pressure increase is made possible by means of the area ratio between the larger diameter air drive piston directly connected to a smaller diameter liquid plunger/piston. Using our various material & seal options they are suitable for pumping a wide range of liquids including water, oil, water/glycol and many other chemical fluids. All Models can easily be incorporated into easy to operate Standard System hydraulic power units.

Key Features

Hydratron AZ-2 Air Driven Liquid Pumps offer many desirable features:

Ability to stall at a predetermined pressure and hold this fixed pressure without consuming power or generating heat.
No risk of flame or spark.
Infinitely variable speed/output flowrate control.
Infinitely variable output pressure control.
Easy to apply automatic controls.
Standard models are suitable for oil or water applications.
Isolation chamber for Chemical applications.
No limit or adverse effects in continuous stop/start applications.
Proven reliability, easy to maintain and robust.

Specification

Air Motor:
Mainly anodized Aluminium with filament-wound composite air cylinder, carbon steel zinc plated tie bolts and nitrile seals.

Hydraulic Section:
Oil service units have cold rolled plated steel piston, cylinder and check valves. Water service units have 303 stainless cylinders, stainless piston and check valves. Internal check valve parts are 300 series stainless steel except ball which is 440C stainless steel. Nitrile seals are standard (other compounds are available as required). All hydraulic pistons are hard chrome plated. Other material options are available, please contact our office for more information.

Performance Data

Model Max Output Pressure
@ 100 psi (7bar) Air Drive Max Oulet Flow Displacement/
stroke
Psi Bar Cu Ins/min L/min Cu Ins cc’s
AZ-2-21 2150 148 976 16.01 4.06 66.6
AZ-2-27 2700 186 817 13.40 3.38 55.4
AZ-2-36 3600 248 622 10.20 2.49 40.8
AZ-2-60 6000 414 378 6.20 1.50 24.6
AZ-2-97 9700 669 238 3.90 0.93 15.2
AZ-2-144 14400 993 165 2.71 0.62 10.2
AZ-2-180 18000 1241 128 2.10 0.49 8.0
AZ-2-237 23700 1634 96 1.57 0.38 6.2
AZ-2-323 32300 2228 70 1.15 0.28 4.5
AZ-2-458 45800 3159 46 0.75 0.19 3.1

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