The threaded diameter on the regulator measures 1 5/32". This is where the panel nut is screwed onto. The panel nut will have an outside measurement of 1 1/2".
Klutch Mini Air Compressor Regulator, 1/4in., 220 Max. PSI, 21 CFM

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- Aluminum die-cast construction with adjusting knob
- Can be mounted in any position (horizontal, vertical, at angle or upside down)
- Red Band alert indicates air regulator in unlocked position
- Includes panel nut
- 1/4in. NPT air inlet
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Description
Key Specs
Reviews
Q & A
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Product Summary
What's Included
- (1) Mini air compressor regulator (1) Panel-mounting nut
Features + Benefits
- Aluminum die-cast construction with adjusting knob
- Can be mounted in any position (horizontal, vertical, at angle or upside down)
- Red Band alert indicates air regulator in unlocked position
- Includes panel nut
- 1/4in. NPT air inlet
- 21 CFM
- 220 max. PSI
- Includes (2) 1/8in. ports for installing pressure gauge
- 145 PSI max. inlet and outlet pressure
Key Specs
| Attribute | Specification |
|---|---|
item# | 48571 |
Brand | Klutch |
Manufacturer's Warranty | 1 year limited warranty |
Ship Weight | 0.38 LB |
CFM | 21 cfm |
| Attribute | Specification |
|---|---|
Inlet Diameter | 0.25 in |
Outlet Diameter | 0.25 in |
Material | Aluminum |
Recommended Use | Regulator |
Max. PSI | 220 |
Reviews
Questions & Answers
Questions
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· 2 years ago
What diameter mounting hole is required for this regulator?
1 answer-
KlutchExpert11· 2 years ago
Helpful?
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· 4 years ago
Is this UL rated?
1 answer-
KlutchExpert12· 4 years ago
This regulator is not UL listed. In general air regulators do not require UL certification.
Helpful?
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· 4 years ago
Is this a self reliving regulator? Can I adjust pressure to a cylinder??
1 answer-
KlutchExpert12· 4 years ago
This regulator does not self-release. It can adjust pressure to the cylinder within its range of 7 PSI - 220 PSI.
Helpful?
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· 9 years ago
Please see the additional details.
Klutch Mini Air Regulator - 1/4in. Item# 48571
Is one of the two Included 1/8in. ports for installing pressure gauges for the inlet pressure and one for the outlet pressure or are they both for the outlet pressure? Also what is the minimum pressure setting?1 answer-
KlutchExpert13· 9 years ago
There are two 1/8" ports for the convenience of installing a gauge on either port depending where the air regulator is placed. The gauge would only show the pressure in the line after the regulator. The minimal pressures setting are 7 psi.
Helpful?
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Warranty
Manufacturer's Warranty
1 year limited warranty
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Specifications
21 cfm
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0.25 in
0.5 in
0.37 in
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0.25 in
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Aluminum
Metal
Poly
Other
Regulator
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Filter
220
250 PSI
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40 °F
40 °F
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160 °F
150 °F
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142
75
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Auto Overnight
Auto Overnight
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10.6500 lb
2.7000 lb
2.0000 lb
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10.25 x 8.5 x 2.75 in
10.0 x 7.0 x 3.5 in
6.5 x 6.5 x 5.0 in
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Ingersoll Rand Reciprocating Air Compressor Models 231, 234, V235, V244 and V255
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