Flow and Level Switches from Compac Engineering - Erecta Switch

Series 5 Flow Switch / Flow Indicator

ERECTA SWITCH'S family of small flow sensing switches detect flow or no flow in a wide range of liquid and gas applications. Used to monitor coolant in lasers, activate water purification, turn on water system heaters, or sense dirty filters with SPST contacts that close on flow. Sized at apx. 1" x 5", and 1/8" to 1/2" NPT and hose connections are available. Injection molded plastic construction in Polypropylene, Acetal, and PVDF Kynar.

Series ES5-19 angle body indicating flow switch S-5-20-Indicating Flow SwitchES5-19 Angle Body Indicating Flow Switch

The 5-19 angle body flow switch / flow indicator is available in preset trip points including 0.1 gpm , 0.25 gpm, 0.50 gpm, 0.75 gpm, and 1.00 gpm. (Requires Series 5 accessory fittings).

A red color rod is visible through a transparent window and provides relative indication of flow rate.

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Series ES5-20 Angle Body Flow Switch

S-5-20-LFT Flow SwitchES5-20 Angle Body Flow Switch

The 5-20 angle body flow switch is available in preset trip points including 0.1 gpm, 0.25 gpm, 0.50 gpm, 0.75 gpm, and 1.00 gpm.Standard clean out port. (Requires Series 5 accessory fittings).

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Series ES5-21 Straight Body Flow Switch

Series 5-21  Horizontal Flow Switch ES5-21 Straight Body Flow Switch

The 5-21 straight body flow switch is available factory preset at 0.1 gpm, 0.25 gpm, 0.50 gpm, 0.75 gpm and 1.00 gpm.
(Requires Series 5 accessory fittings)

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ES5-21H

ES5-21H Straight Body High Flow Switch

The ES5-21 high flow switch is available in 0.30 or 0.75 GPM preset trip point; low pressure drop at/or near threshold operate point; comparatively low pressure drop at high flow rate; accessory thread adapters are not required.

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Flow Switch Accessory Fittings
Series % Flow Switch Fittings

Flow Switch Accessory FittingsSeries 5 Flow Switch Fittings

Used with the ERECTA SWITCH Series 5 flow switches. There are 4 sizes available, 1/8" NPT female, 1/4" NPT female, 1/2" NPT male, and 1/2" NPT hose. Injection molded plastic construction, available in Polypropylene, Acetal and PVDF Kynar. Order as an accessory when purchasing Series 5 Flow Switches.

Series 5 Flow Switches exploded view
ELECTRICAL RATINGS
Contact rating 0.8 AMP, 120V, 60 Hz, Resistive
0.4 AMP, 240V, 60 Hz, Resistive
3.36 VA, 240V, 60 Hz
Pilot Duty
DC 1 AMP Max @ 24 VDC Resistive
APPLICATION ENVIRONMENT
Pressure 200 PSI MAX @ 20°C Derate, Zero @ 90°C
Temperature 90°C MAX  
Mounting Position Any with Spring Vertical without Spring
Liquid / Gas Clear Low Viscosity
MATERIALS OF CONSTRUCTION
All Models [PP] Polypropylene (Gray & black)
All Models [AC] Acetal, Delrin (Red)
All Models [KR] Kynar, PVDF (Natural)