Toll Free: (800) 562-2447
Local number: (805) 988-6800

Flow Switch – Model Q-16SS Paddle Style

Q16SS Black Cover 1

Tag:

Models

Flow Range (Water calibrated at 70˚F / 21˚C) Accuracy ±10%

PIPE SIZE*
SWITCHPOINT RANGE (GPM)
MIN. ADJUST. MAX. ADJUST.
ON OFF ON OFF
1″ 4 2 8 7
1½” 7 5 13 11
2″ 12 7 27 26
2½” 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.

Uses

For use in:

  • Boilers Cooling Towers
  • Chillers Water Treatment
  • Irrigation
  • Ultraviolet Systems
  • Ozone Systems
  • Potable Water
  • Rain Water Collection
  • Chemical Feed
  • Water Heaters
  • Pool & Spa

Specs

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 15A, ½ hp @ 125 or 250VAC ½A @ 125VDC ¼A @ 250VDC 10,000,000 Operations Median

Model Q-16 can also be fitted with a SPDT Gold Cross Bar Switch for computer/PLC interface.

Diagram