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1/4" Non-relieving Regulator | ARO-Flo 1500 Series | R37221-120
SKU: R37221-120
1/4" NPT, 86scfm, 250psi Max Inlet, 0-140psi control range, without gauge
SKU: R37221-120
Features
- 1/4" non-relieving regulator
- 0-140 psi control range
- Industry leading flow rates
- Panel nut included
- All modular design
- Full line accessory set
- 1/8" gauge port (gauge not icluded)
- 2 year warranty
Expected to ship within 10 business days. Order before 4 p.m.
In Stock
$73.00
Prices for items exclude shipping costs and taxes. Depending on your delivery address, taxes may vary at checkout.Materials of Construction
- Diaphragm: Nitrile + Acetal
- Regulator Body: Aluminum
- Regulator Valve: Brass + Nitrile
- Regulator Spring: Steel
- Regulator Knob: Acetal
- O-rings: Nitrile
Spare Parts
- 104431 Regulator Service Kit
- 104432 Tamper Kit
- 104433 0-30psi Spring
- 104434 0-60psi Spring
- 104435 0-140psi Spring
- 104310 0-140 Gauge Flush Mount
Accessories
- 104602-2 Digital Gauge
- 104395 Modular Clamp Spacer Kit
- 104475-2 1/4" - NPT Modular Threaded Pipe Adapter
- 104475-3 3/8" - NPT Modular Threaded Pipe Adapter
- 104475-B 1/4" - BSP Modular Threaded Pipe Adapter
- 104475-C 3/8" - BSP Modular Threaded Pipe Adapter
- 104400 T-Type Wall Bracket
- 104408 C-Type Wall Bracket
- 104417 Panel Nut
- 104467 Gauge Port Block
- 104412-2-1 1/4" x 1/8" Manifold Block
- 104412-2-2 1/4" x 1/4" Manifold Block
- 104412-3-1 3/8" x 1/8" Manifold Block
- 104412-3-2 3/8" x 1/4" Manifold Block
ARO-Flo 1000 Series Regulators
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|---|---|---|---|---|---|---|---|
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| 1/8" | 45 | 250 psi | 0-60 psi | Without gauge | Non-relieving Regulator | R37111-220 | BUY NOW |
| 1/8" | 45 | 250 psi | 0-30 psi | Without gauge | Relieving Regulator | R37111-400 | BUY NOW |
| 1/8" | 45 | 250 psi | 0-140 psi | With gauge | Relieving Regulator | R37111-600 | BUY NOW |
| 1/4" | 59 | 250 psi | 0-140 psi | Without gauge | Relieving Regulator | R37121-100 | BUY NOW |
| 1/4" | 59 | 250 psi | 0-140 psi | Without gauge | Non-relieving Regulator | R37121-120 | BUY NOW |
| 1/4" | 59 | 250 psi | 0-60 psi | Without gauge | Relieving Regulator | R37121-200 | BUY NOW |
| 1/4" | 59 | 250 psi | 0-30 psi | Without gauge | Relieving Regulator | R37121-400 | BUY NOW |
| 1/4" | 59 | 250 psi | 0-30 psi | Without gauge | Non-relieving Regulator | R37121-420 | BUY NOW |
| 1/4" | 59 | 250 psi | 0-140 psi | With gauge | Relieving Regulator | R37121-600 | BUY NOW |
| 1/4" | 59 | 250 psi | 0-140 psi | With gauge | Non-relieving Regulator | R37121-620 | BUY NOW |
ARO-Flo 1500 Series Regulators
| NPT | SCFM | Max Inlet | Control Range | Gauge | Type | Model | BUY NOW |
|---|---|---|---|---|---|---|---|
| 1/4" | 86 | 250 psi | 0-140 psi | Without gauge | Relieving Regulator | R37221-100 | BUY NOW |
| 1/4" | 86 | 250 psi | 0-140 psi | Without gauge | Non-relieving Regulator | R37221-120 | BUY NOW |
| 1/4" | 86 | 250 psi | 0-60 psi | Without gauge | Relieving Regulator | R37221-200 | BUY NOW |
| 1/4" | 86 | 250 psi | 0-30 psi | Without gauge | Relieving Regulator | R37221-400 | BUY NOW |
| 1/4" | 86 | 250 psi | 0-140 psi | With gauge | Relieving Regulator | R37221-600 | BUY NOW |
| 1/4" | 86 | 250 psi | 0-140 psi | With gauge | Non-relieving Regulator | R37221-620 | BUY NOW |
| 3/8" | 113 | 250 psi | 0-140 psi | Without gauge | Relieving Regulator | R37231-100 | BUY NOW |
| 3/8" | 113 | 250 psi | 0-140 psi | With gauge | Relieving Regulator | R37231-600 | BUY NOW |
ARO-Flo 2000 Series Regulators
| NPT | SCFM | Max Inlet | Control Range | Gauge | Type | Model | BUY NOW |
|---|---|---|---|---|---|---|---|
| 3/8" | 179 | 250 psi | 0-140 psi | Without gauge | Relieving Regulator | R37331-100 | BUY NOW |
| 3/8" | 179 | 250 psi | 0-60 psi | Without gauge | Relieving Regulator | R37331-200 | BUY NOW |
| 3/8" | 179 | 250 psi | 0-140 psi | With gauge | Relieving Regulator | R37331-600 | BUY NOW |
| 1/2" | 210 | 250 psi | 0-140 psi | Without gauge | Relieving Regulator | R37341-100 | BUY NOW |
| 1/2" | 210 | 250 psi | 0-140 psi | Without gauge | Non-relieving Regulator | R37341-120 | BUY NOW |
| 1/2" | 210 | 250 psi | 0-60 psi | Without gauge | Relieving Regulator | R37341-200 | BUY NOW |
| 1/2" | 210 | 250 psi | 0-30 psi | Without gauge | Relieving Regulator | R37341-400 | BUY NOW |
| 1/2" | 210 | 250 psi | 0-140 psi | With gauge | Relieving Regulator | R37341-600 | BUY NOW |
| 1/2" | 210 | 250 psi | 0-140 psi | With gauge | Non-relieving Regulator | R37341-620 | BUY NOW |
| 3/4" | 210 | 250 psi | 0-140 psi | Without gauge | Relieving Regulator | R37351-100 | BUY NOW |
| 3/4" | 210 | 250 psi | 0-60 psi | Without gauge | Relieving Regulator | R37351-200 | BUY NOW |
| 3/4" | 210 | 250 psi | 0-30 psi | Without gauge | Relieving Regulator | R37351-400 | BUY NOW |
| 3/4" | 210 | 250 psi | 0-140 psi | With gauge | Relieving Regulator | R37351-600 | BUY NOW |
ARO-Flo 3000 Series Regulators
| NPT | SCFM | Max Inlet | Control Range | Gauge | Type | Model | BUY NOW |
|---|---|---|---|---|---|---|---|
| 3/4" | 290 | 250 psi | 0-140 psi | Without gauge | Relieving Regulator | R37451-100 | BUY NOW |
| 3/4" | 290 | 250 psi | 0-140 psi | With gauge | Relieving Regulator | R37451-600 | BUY NOW |
| 3/4" | 290 | 250 psi | 0-140 psi | With gauge | Non-relieving Regulator | R37451-620 | BUY NOW |
| 1" | 290 | 250 psi | 0-140 psi | Without gauge | Relieving Regulator | R37461-100 | BUY NOW |
| 1" | 290 | 250 psi | 0-140 psi | Without gauge | Non-relieving Regulator | R37461-120 | BUY NOW |
| 1" | 290 | 250 psi | 0-140 psi | With gauge | Relieving Regulator | R37461-600 | BUY NOW |
| 1" | 290 | 250 psi | 0-140 psi | With gauge | Non-relieving Regulator | R37461-620 | BUY NOW |