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Product Specifications:
| Item | Filter/Regulator |
| Adjustable Pressure | 5 psi to 150 psi |
| Adjustment | 5 psi to 150 psi |
| Adjustment Knob | Non Rising |
| Adjustment Location | Top |
| Adjustment Mechanism | Knob |
| Adjustment Mechanism Material | Reinforced Nylon |
| Air Inlet Gender | Female |
| Air Inlet Size | 3/8" |
| Air Inlet Type | NPT |
| Air Outlet Gender | Female |
| Air Outlet Size | 3/8" |
| Air Outlet Type | NPT |
| Airflow Direction | Left To Right |
| Body Material | Aluminum |
| Bowl Material | Metal |
| Bowl Size | 3.5 oz. |
| Differential Pressure Indicator Included | No |
| Drain Included | Yes |
| Drain Part Compatbility | 114X33 |
| Drain Type | Manual |
| Duty Rating | Intermediate Duty |
| Filter Bowl Capacity | 3.5 oz. |
| Filter Bowl Guard Included | Yes |
| Filter Bowl Guard Material | Aluminum |
| Filter Bowl Material | Metal With Sight Gauge |
| Filter Efficiency | 95% |
| Filter Element Material | PE |
| Filter Rating | 40 µm |
| Filter Type | Particulate |
| For Fluid Type | Compressed Air |
| For Substance Type | Air |
| Gauge Port | 1/4" PTF |
| Included | Metal Bowl |
| Max. Flow Rate | 120 CFM , 123 CFM |
| Max. Operating Pressure | 250 psi |
| Max. Pressure | 250 psi |
| Max. Regulated Pressure | 150 psi |
| Max. Temp. | 175°F |
| Min. Operating Pressure | 0.85 MPa |
| Min. Operating Temp. | 5°C |
| Min. Regulated Pressure | 5 psi |
| No. Of Air Inlets | 1 |
| No. Of Air Outlets | 1 |
| Overall Height | 9.95" |
| Overall Width | 2 11/16" |
| Pipe Size | 3/8" |
| Pressure Control Type | Relieving |
| Pressure Gauge Included | No |
| Pressure Gauge Port Gender | Female |
| Pressure Gauge Port Size | 1/4" |
| Pressure Gauge Port Type | PTF |
| Seal Material | Rubber |
| Series | Intermediate Duty Series |
| Sight Gauge Included | No |
Shipping Info:
| Ship weight (kg) | 0.95 |
| Ship height (cm) | 44.2 |
| Ship length (cm) | 7.62 |
| Ship width (cm) | 7.62 |
| HS code | 8481100040 |
| Country of Origin | CN |
Product Variants
| Product | Model | Max. Flow Rate | Overall Width | Filter Bowl Material | Air Inlet Size | Max. Operating Pressure | Overall Height | Pressure Gauge Included | Pressure Gauge Port Size | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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4ZK74 | 13 CFM | 1 5/8" | Polycarbonate | 1/8" | 150 psi | 6 11/25" | No | 1/8" | €47.29 | |
![]() |
4ZK75 | 14 CFM | 1 5/8" | Polycarbonate | 1/4" | 150 psi | 6 11/25" | No | 1/8" | €59.06 | |
![]() |
4ZK76 | 14 CFM | 1 5/8" | Polycarbonate | 1/4" | 150 psi | 6 11/25" | Yes | 1/8" | €67.23 | |
![]() |
4ZK77 | 12 CFM | 1 1/2" | Polycarbonate | 1/4" | 150 psi | 6 11/25" | No | 1/8" | €80.75 | |
![]() |
4ZK78 | 509 CFM | 7 1/2" | Metal With Sight Gauge | 3/4" | 250 psi | 12.9" | No | 1/8" | €357.20 | |
![]() |
4ZK79 | 509 CFM | 7 1/2" | Metal With Sight Gauge | 1" | 250 psi | 12.9" | No | 1/8" | €365.91 | |
![]() |
4ZK80 | 4 CFM | 1 5/8" | Polycarbonate | 1/8" | 150 psi | 6 11/25" | No | 1/8" | €107.44 |
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SPEEDAIRE 4ZK88 Filter-Regulator, 3/8 in NPT, 120 cfm, 40 micron, 250 psi Max, Manual Drain, Aluminum
€111.63 /unit




