| Items |
 R37331-400 Relieving Standard Knob Control |
R37331-200 Relieving Standard Knob Control |
R37331-100 Relieving Standard Knob Control |
R37331-600 Relieving Standard Knob Control |
R37331-300 Relieving Standard Knob Control |
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| NPT Port Size | 3/8 in | |||||||||
| Pressure Range | 0 to 30 psi | 0 to 60 psi | 0 to 140 psi | 0 to 140 psi | 10 to 200 psi | |||||
| Gauge | No gauge | No gauge | No gauge | Flush-mount gauge | No gauge | |||||
| Diaphragm | Nitrile + Nylon | |||||||||
| Regulator Body | Aluminum | |||||||||
| Regulator Valve | Nitrile + Nylon | |||||||||
| Regulator Springs | Steel | |||||||||
| Gauge Cover | Nylon + Polycarbonate | |||||||||
| Regulator Knob | Acetal | |||||||||
| O-Rings | Nitrile | |||||||||
| Maximum Inlet Pressure | 250 psi | |||||||||
| Temperature Range | 23 to 140 ºF | |||||||||
| Gauge Port | 1/8 in | |||||||||
| Flow Capacity1 | 179 scfm | |||||||||
| Replacement Parts |
104327, Regulator Service Kit (Relieving) 104328, Regulator Service Kit (Non-Relieving) 104329, Tamper Kit 104330, 0 - 60 psi Spring 104331, 0 - 140 psi Spring 104332, 10 - 200 psi Spring 104334, 0 - 140 psi Gauge Flush Mount |
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| Accessories |
104392-3, 3/8" NPT Lock-Out Valve 104392-4, 1/2" NPT Lock-Out Valve 104396, Modular Clamp 104398-3, 3/8" NPT Pipe Adapter 104398-4, 1/2" NPT Pipe Adapter 104401, T-Type Wall Mount 104405, L-Type Wall Mount 104409, C-Type Wall Mount 104413-3-3, 3/8" x 3/8" Manifold Block 104413-4-3, 1/2" x 3/8" Manifold Block 104415, Pressure Switch 104418, Panel Nut 104469, Gauge Port Block 104479-3, 3/8" Check Valve 104479-4, 1/2" Check Valve |
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