Parker Relieving Dial Regulators | 51R Series
 |
FEATURES
SYMBOLS
|
Part Numbers
| Part Number* | Description |
Port Size |
Flow |
Height (A) mm (in) |
Width (H) mm (in) |
| 51R126R |
Standard pressure - 5 to 160 psig (0.34 to 11 bar) |
1/4" | 0.7 | 71 (2.80) | 56 (2.20) |
| 51R125R |
Low pressure - 2 to 40 psig (0.14 to 3 bar) |
1/4" | 0.7 | 71 (2.80) | 56 (2.20) |
*For BSPP ports, add a "1" to the end of the part number.
Service Kits and Accessories
| Part Number | Description |
| RRP-16-024-80 | Adjustment dial knob |
| RRP-95-906-80 | Spring, regulation, Bellville washer - 2 to 40 psig |
| RRP-95-905-80 | Spring, regulation, Bellville washer - 5 to 160 psig |
| RRP-95-765-80 | Piston and bonnet repair kit |
| RRP-96-934-80 | Valve, pilot with o-ring and valve spring |
Technical Specifications
| Flow Capacity: | 0.7 scfm |
| Max Operating Temperature: | 150°F |
| Max. Supply Pressure: | 20.7 bar (300 psig) |
| Port Size: | 1/4" (NPT, BSPP) |
| Weight: | 1.3 lbs (0.5 kg) |
WARNING: These products can expose you to chemicals including lead and/or DEHP and/or carbon black, which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov