Flow Accessories

Flow systems often need more than a meter. A flow switch provides an alarm contact, a back pressure regulator controls upstream gas pressure, and a shutoff valve isolates a pipeline when triggered.

SL Measurement supplies flow accessories for these different duties. Select each component around the medium, operating conditions and the function required by your equipment.

Liquid flow switches for alarms and interlocks

The RCM Flo-Gard II liquid flow switch provides a contact signal when flow crosses a selected setpoint. Suitable applications include cooling-water circuits, chillers and compatible process-liquid systems.

Specify the normal operating flow, required switching point and electrical contact requirements. Body materials, seals and installation configuration must suit the liquid and operating environment.

Gas back pressure regulators

The KOFLOC 6800 series gas back pressure regulator controls pressure on the upstream side by releasing gas when pressure exceeds the selected setting.

For selection, provide the gas, required pressure setting, expected exhaust flow and downstream conditions. Confirm material compatibility and the required connection size for the selected model.

Emergency shutoff valves

The Tokico MB series emergency shutoff valve uses a carbon dioxide cartridge to drive the valve mechanism. Available configurations use different triggering arrangements, including electrical and line-pressure signals.

Selection requires the pipeline medium, pressure, temperature, connection details and intended shutdown sequence. Confirm the trigger, valve action and reset arrangement against the requirements of the complete installation.

Information to include with your enquiry

• Required function: Flow alarm, upstream pressure regulation or pipeline shutoff.
• Medium: Liquid or gas name, including relevant composition or additives.
• Operating conditions: Normal and maximum pressure, temperature and flow.
• Setpoint: Required switching flow or pressure setting, where applicable.
• Connections: Pipe size, thread or flange standard and installation space.
• Control interface: Contact rating, trigger signal, power supply or other equipment requirements.

Replacing an existing component?

Send a clear nameplate photograph and the complete model code. Include connection dimensions and any wiring or control details. Matching the connection size alone does not establish compatibility.

Contact SL Measurement for selection assistance, pricing and availability.

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For flow measurement, browse our liquid flowmeters and air and gas flow instruments.