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About Air Preparation
Customize your air preparation system with dryers, filters, and other purifying parts.
Clean Room Compressed Air Regulators

Cleaned and double bagged in an ISO Class 3 and Fed. Spec. Class 1 clean room for protection from contamination, these regulators are suitable for use in clean rooms. Use them in semiconductor and food-processing applications to adjust and maintain the pressure of your compressed air. Install in your air line after filters.
Relieving regulators exhaust when the downstream pressure exceeds the set pressure.
Nonrelieving regulators do not exhaust excess downstream pressure.
Relieving
Pipe Size | Overall | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inlet | Outlet | Max. Flow Rate | Max. Pressure, psi | Gauge Included | Wd. | Ht. | Max. Temp., °F | Environmental Rating | Includes | Regulating Accuracy | Choose a Pressure Regulating Range, psi | Each | |
Aluminum Housing—NPT Female Inlet and Outlet | |||||||||||||
| 1/4 | 1/4 | 104 scfm @ 100 psi | 145 | Yes | 2 1/8" | 4 5/8" | 140° | Fed. Std. Class 1, ISO Class 3 | Mounting Bracket | ±3% | 8443N112 | 000000 | |
| 3/8 | 3/8 | 104 scfm @ 100 psi | 145 | Yes | 2 1/8" | 4 5/8" | 140° | Fed. Std. Class 1, ISO Class 3 | Mounting Bracket | ±3% | 8443N113 | 00000 | |
Nonrelieving
Pipe Size | Overall | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inlet | Outlet | Max. Flow Rate | Max. Pressure, psi | Gauge Included | Wd. | Ht. | Max. Temp., °F | Environmental Rating | Includes | Regulating Accuracy | Pressure Regulating Range, psi | Each | |
Aluminum Housing—NPT Female Inlet and Outlet | |||||||||||||
| 1/4 | 1/4 | 104 scfm @ 100 psi | 145 | Yes | 2 1/8" | 4 5/8" | 140° | Fed. Std. Class 1, ISO Class 3 | Mounting Bracket | ±3% | 7.25-123 | 8443N25 | 000000 |
| 3/8 | 3/8 | 104 scfm @ 100 psi | 145 | Yes | 2 1/8" | 4 5/8" | 140° | Fed. Std. Class 1, ISO Class 3 | Mounting Bracket | ±3% | 7.25-123 | 8443N26 | 00000 |

























