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MODEL Q-10N

Flexible Design:

Model Q-10 is provided with three factory adjustable parameters which provide performance flexibility to meet a multitude of applications:

  • paddle area
  • paddle Length
  • paddle stiffness

Responds to fluid flow only, independent of line pressure and temperature.

Max. flow may be five times normal flow.

Positive stop eliminates fatigue effects of turbulence, vibration and flow surge on flow detecting element.

Small size and low profile provides easy mounting in crowded installations.

Very low pressure drop – typically less than 1.0 psig at normal flow rate. quick response.

available with no, nc or spdt reed switch switches 5vdc to 240vac. switches resistive and light inductive loads. switch employs magnetic coupling.

Send us your special requirements. We will quote a special unit to meet those requirements.

Key Features

  • Flow range 0.7–1,025 gpm (2.6–3,880 l/m)
  • working temp 32˚–200˚F (0˚– 93˚C)
  • working pressure 250 psig (1.724 kpa)
  • process connection 1″ npt
  • electrical (reed) switch Spno 0.5A

Typical Uses

Monitoring flow of coolant supplied to:

  • Brakes and clutches
  • Emergency wash-down showers
  • Computer systems
  • Marine and stationary engines
  • Diodes, scrs, triacs, etc.
  • RF and radar transmitters
  • Electromagnets
  • Spot welders
  • Fire sprinkler Flow alarms
  • Transformers
  • Lasers vacuum systems

In chemical processing:

  • Fluid blending systems
  • Liquid transfer
  • Heat transfer fluids
  • Monitor filter clogging
  • Liquid scrubbers
  • Starting back-up pumps
  • Monitoring pump output, valve position, systems flow status

In water treatment:

  • irrigation systems
  • municipal water supply systems

Typical Working Fluids

For use in concentrated acids, bases, ketones, esters, alcohols, phenols, etc.

  • Mild acids
  • Hydrocarbons
  • Mild Bases
  • Ketones
  • Plating solutions
  • Lubricating oils
  • Gasoline
  • Cooling tower water
  • Glycol solutions water (saltwater, pure, tap, etc.)
  • JP-4

Technical Specifications

Electrical (REED) Switch Characteristics

SPNO

Contact Ratings:

  • AC voltage (max. switching): 300VAC
  • DC voltage (max. switching): 350VDC
  • Current (max. switching): 0.5A
  • Current (max. carrying): 2.5A
  • Power (max) (VA, W): 50 watts
  • Contact resistance (max. initial): 0.15 ohms
  • Insulation resistance: 1010 ohms
  • Operating temperature: -40°F–240°F (-40°c–115°c)

Optional: SPNC or SPDT, 3 watt, 100vVAC/VDC.

Q-10N (NORYL)

Working pressure: 200 psig max. @ 70˚F

Working temperature: 180˚F @ ambient pressure

Wetted Materials: Body and cover: Noryl (PPO) (10% glass fibers) Shaft: 316 stainless steel

Q-10VCR (FORTRON)

Working pressure: 250 psig max. @ 70˚F

Working temperature: 200˚F @ ambient pressure

Wetted Materials: Body and cover: Noryl (PPS) (40% glass fibers) Shaft: 316 Hastelloy C

Chemical Compatibility

The Models Q-10N and Q-10VCR are compatible for use with the following chemicals: Acetic Acid, Ammonia, Ammonium Chloride, Ammonium Sulfate, Hydrochloric Acid, Hydrogen Sulfide, Nitric Acid, Phosphoric Acid, Plating Solutions, Potassium Carbonate, Potassium Chloride Sodium Bicarbonate, Sodium Hydroxide, Sodium Hypochlorite, Sodium Sulfate, Tannic Acid, Water – Acid – Mine, Water – Distilled, Water – Fresh, Water – Salt, Zinc Chloride, Zinc Sulfate

This list is just a sample selection. For specific concentrations and configurations see the Chemical Resistance Chart.

 

Inductive Loads

Switch contacts have been tested with small relays and 30a J-C relay inductive driving coils at 120/240VAC to 500,000 operations without failure.

Model Q-10N can also be fitted with a SPDT Gold Cross Bar Switch for computer/pLc interface.

Note: model Q-10N employs magnetic coupling between bending blade and switch body. magnetic particles can accumulate on and around magnetic housing which may affect proper operation. please conduct appropriate fluid magnetic particle evaluation and operational tests prior to and during installation and use.

Model Selection Chart

Pipe Size NPT
Nominal ON/OFF
Switch Point Range
(GPM)
Paddle #
ON OFF
1″ 1.3 0.9 1
4 2 2
1½” 3 2 10691A
8 4 3
17 14 4
2″ 5 4 10691A
10 7 5
16 11 6
3″ 12 6 10691A
22 15 7
36 25 8
4″ 21 14 10691A
39 27 9
64 45 10
5″ 33 25 10691A
61 43 11
100 70 12
6″ 48 35 10691A
88 62 13
144 101 14