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Aluminium filter-regulator with polycarbonate bowl guard and top-mounted adjustment knob

SPEEDAIRE

SPEEDAIRE 4ZK93 Filter-Regulator 3/8 NPT 120 cfm 40 micron

SKU CH-G83G-DTVYQ

Combines particulate filtration and pressure regulation in a 3/8 NPT inline unit rated for 120 cfm flow and 150 psi maximum pressure

  • Delivers up to 120 cfm for high-demand air tools
  • 40 micron filter traps fine particles to protect downstream equipment
  • 150 psi maximum pressure suits heavy-duty shop applications
  • Manual drain lets you purge moisture quickly without tools
  • Polycarbonate bowl with guard resists impact and shows fluid level

SPEEDAIRE 4ZK93 Filter-Regulator

The SPEEDAIRE 4ZK93 is a filter-regulator unit designed for compressed air systems. It combines particulate filtration and pressure regulation in a single aluminium body. The unit suits workshops and industrial settings requiring clean, regulated air supply. It handles a maximum flow rate of 120 cfm at 150 psi operating pressure.

Check Inlet Size and Filtration Needs

Verify your system uses a 3/8 inch NPT air inlet connection before ordering. Ensure a 40 micron particulate filter rating matches your air quality requirements. Confirm the manual drain type fits your maintenance routine. The polycarbonate bowl with guard allows visual monitoring of condensate levels during operation.

Integration Into Compressed Air Systems

The filter-regulator installs inline with left-to-right air flow direction. Top-mounted knob adjustment allows easy pressure setting while the unit is in service. Reinforced nylon adjustment mechanism provides durability under regular use. An included pressure gauge enables immediate system monitoring. The intermediate duty series construction supports consistent performance in daily operations. California Proposition 65 warnings apply for chemical exposure risks.

Highlights

  • Delivers up to 120 cfm for high-demand air tools
  • 40 micron filter traps fine particles to protect downstream equipment
  • 150 psi maximum pressure suits heavy-duty shop applications
  • Manual drain lets you purge moisture quickly without tools
  • Polycarbonate bowl with guard resists impact and shows fluid level

Specifications

BrandSPEEDAIRE

Questions about this item

Does the SPEEDAIRE 4ZK93 filter-regulator include the pressure gauge or must it be purchased separately?

The unit ships with a pressure gauge already installed, so no separate gauge purchase is required.

When should I choose the 40 micron particulate filter over a finer rating for this model?

Select the 40 micron filter when protecting general pneumatic tools and cylinders where coarse particle removal is sufficient and pressure drop must stay low.

What does the 120 cfm maximum flow rating mean when the regulator is installed in a 150 psi system?

At full inlet pressure the assembly can pass up to 120 cfm of filtered air while maintaining the set downstream pressure.

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