Model Q-16 Paddle Style
For use in:
- Boilers
- Cooling Towers
- Chillers
- Water Treatment
- Irrigation
| PIPE SIZE * | SWITCHPOINT RANGE (GPM) | |||
|---|---|---|---|---|
| MIN. ADJUST. | MAX. ADJUST. | |||
| ON | OFF | ON | OFF | |
| 1″ | 4 | 2 | 8 | 7 |
| 1 1/2″ | 7 | 5 | 13 | 11 |
| 2″ | 12 | 7 | 27 | 26 |
| 2 1/2″ | 18 | 12 | 35 | 32 |
| 3″ | 27 | 19 | 52 | 49 |
| 4″ | 63 | 50 | 123 | 120 |
| 5″ | 125 | 100 | 238 | 232 |
| 6″ | 190 | 158 | 350 | 338 |
* Metal pipe only. PVC and CPVC pipes require special paddles.
HYSTERESIS (Δ FLOW RATE TO ACTIVATE/DEACTIVATE SWITCH)
≈ 10% at upper end of flow range
≈ 30% at lower end of flow range
DIFFERENTIAL PRESSURE DROPS ACROSS UNIT
Under normal operating conditions:
≈ 1″–3″ pipe, less than 1 psi
≈ 4″–48″ pipe, negligible
WORKING LINE PRESSURE 200 psig max. WORKING TEMPERATURE 250˚F max. continuous. WETTED MATERIALS
Body: Brass Shaft: 304 Stainless Steel Paddle: 316 stainless steel Seal: EPDM
ELECTRICAL SWITCH CHARACTERISTICS
SPDT (single pole double throw) 15A, 1/2 hp @ 125 or 250VAC .A @ 125VDC .A @ 250VDC 10,000,000 Operations Median
Model Q-16 can also be fitted with a SPDT Gold Cross Bar Switch for computer/PLC interface.
