Haskel Model HAA31-2.5 Air Amplifier

Haskel Model HAA31-2.5 Air Amplifier

The Haskel HAA31-2.5 is a compact, single-acting, single-stage air amplifier engineered to efficiently boost air pressure in demanding industrial environments. With a nominal pressure ratio of 2.5:1, this model is capable of increasing air pressure up to 320 psi (PSIG) while maintaining reliable, safe, and maintenance-friendly operation.

Designed for long service life, the HAA31-2.5 eliminates the need for air line lubrication, ensuring a clean, oil-free exhaust and reduced maintenance requirements. Its variable outlet pressure and flow capability make it highly versatile for a wide range of pneumatic applications.

Features & Benefits

• Long seal life with simplified maintenance

• No heat, flame, or spark risk

• Wide selection of models, controls, and options

• No air line lubrication required—clean, oil-free exhaust

• Infinitely variable outlet pressure and flow

• Available in numerous standard and custom system configurations

• Maximum pressure controlled easily using low-cost air drive regulators

Technical Data

• Air Drive Size: 2.87 in

• 1st Stage Ratio: 2.5:1

• 2nd Stage Ratio: N/A

• Minimum Gas Supply Pressure: 40 psi

• Maximum Gas Supply Pressure: 125 psi

• Maximum Rated Outlet Pressure: 320 psi

• Static Outlet Stall Pressure Formula: 2.5 × Pa
  (Pa = air drive pressure, Ps = gas supply pressure)

• Minimum Air Drive Pressure: 40 psi

• Maximum Air Drive Pressure: 125 psi
  

Sample Performance Curve:

Physical Characteristics

• Unit Weight: 5 lbs

• Displacement per Cycle: 2.4 cu. in.

• Maximum Cycles: 325 cycles/min

• Gas Inlet/Outlet Connections: 3/8″ FNPT

• Air Drive Inlet Port: 1/4″ FNPT