Dungs FRG7../6 Ratio Regulator Zero Governor CSA 6.3 Approved
CSA 6.3 APPROVED
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The FRG ratio regulator/zero governor has an adjustable setpoint spring and nonadjustable counterspring.
- Optional Low fire bypass for ½ in. NPT to 2 in. NPT models. Ideal for low flow or for high turndown applications.
- Steady, precise and instantaneous regulation of the outlet pressure.
- Connection for air impulse line.
- Inlet and outlet ¼ in. NPT test ports on each side.
- Factory installed vent limiter. Review applicable codes for vent line requirements.
Specifications:
- Max. operating pressure: 7 PSI (500 mbar) (5 PSI CSA)
- Optimal Input pressure range: 2 to 20 in. W.C. (5 to 50 mbar)
- Output pressure range: -2 to 2 in. W.C. (-5 to 5 mbar)
- Ambient temperature rating: +5 °F to +160 °F (-15 °C to +70 °C)
Accessories / Options:
- 225256 Adjustable low fire bypass that field mounts to either side of the 1/2" to 2" FRG
Resources:
Part Numbers:
| Part Number | Order Number | Size | Pressure Max Operating (CSA) |
| FRG 705/6 | 226458 | 1/2" NPT | 5 PSI |
| FRG 707/6 | 226459 | 3/4" NPT | 5 PSI |
| FRG 710/6 | 226460 | 1" NPT | 5 PSI |
| FRG 712/6 | 226461 | 1-1/4" NPT | 5 PSI |
| FRG 715/6 | 226462 | 1-1/2" NPT | 5 PSI |
| FRG 720/6 | 226463 | 2" NPT | 5 PSI |
| FRG 725/6 | 226464 | 2-1/2" NPT | 5 PSI |
| FRG 730/6 | 226465 | 3" NPT | 5 PSI |
