WATER REGULATION MADE EASY – Mechanical Flow Restrictor

INSTROTECH is offering Kobold’s REG mechanical flow restrictors and rate regulators, with their simple yet effective functionality which are ideally suited to consumer applications and uniform supply to multiple consumers. Once installed the REG limits flow to a preset value of throughputs of water, or of liquids similar to water, regardless of pressure fluctuations. The flow restrictors ensure equilibrium, particularly in systems with many users and resulting pressure fluctuations caused by random flow conditions. In other words, the desired throughput is not exceeded.


The REG valve operates without power supply, keeping the flow rate of fluids constant with great accuracy (± 0.2 l/min) regardless of fluctuating inlet pressure. The principle is impressive, yet uniquely simple. The constant flow is generated by two stainless steel spring plates of the regulating orifice, riveted together across each other, and which, depending on the differential pressure, open or close to a greater or lesser extent the ring or regulating funnel thus created.

The REG flow limiter can be used wherever a constant flow rate is required despite pressure fluctuations in the system, for example switching a consumer unit on and off.

Notable Benefits
• No auxiliary power required
• Easy to assemble
• Compact design
• Reliable – no wearing parts
• Energy-saving
• Easy to fit

So, it is not only in the sanitation and heating fields that unwanted fluctuations in flow and temperature occur, but also in many areas of general industry and plant construction, such as, heat exchange, livestock, cooling circuits, building technologies, filtration, dosing, watering and humidification.

Due to the high quality stainless steel design, REG is completely maintenance-free. For more information on Kobold’s REG flow restrictors/regulator valves, contact Instrotech on 010 595 1831, sales@instrotech.co.za

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