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Maric flow control valves maintain a constant pre-set flow rate of water, over a wide pressure range.
Our valves offer many benefits and valuable protection for flow rate sensitive equipment and water distribution systems.
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- Mining View PDF
- Maximise gland packing life through carefully controlled gland-water flow
- Minimise dilution of slurry
- Ensure availability of gland-water to all glands on a common gland-water line
- Minimise wastage of available packing water supplies
- Control flow rate for a variety of other uses - including safety showers and eye washing equipment, pump protection, dust suppression, or fire fighting
- Water Authorities View PDF
- Encourage payment of overdue water bills
- Improve mains distribution pressure
- Extend water meter life
- Enable agreed maximum flow to consumers tanks.
- Enable economical distribution to sparsely populated areas
- Enforce water restriction
- Reduce infrastructure costs
- Water Treatment View PDF
- Prevent media loss during back-flushing
- Protect delicate filters from excessive flow rates
- Control of service water flow through delicate filters.
- Enable controlled flow rate of sampling water to analysing equipment
- Ensure 100% bacteria kill in ultraviolet water sterilisation
- Control flow of carrier water to coupon rack in cooling tower, water treatment installations
- Industrial View PDF
- Vacuum Pumps "Liquid Ring" - operator convenience, prevent overheating and overloading
- Fire-fighting – guarantee pressure and flow to all hydrants, control flow of water and foaming agent to ensure correct dose ratio
- Dust Suppression - minimise dust and erosion
- Distilleries - ensure correct cooling of condensers
- Safety showers & eye-wash equipment - ensure safe operation
- Irrigation & Farming View PDF
- Centrifugal Pump Protection
- When an authority enforces limits to, (or reduced) pumping rates, with a non-adjustable valve
- Preventing electric motor overload
- Preventing nuisance low-pressure motor tripping
- Fertiliser dosing for irrigation
- Vitamin dosing for stock
- Pump Protection View PDF
Extend pump life by:- Keeping pump on its curve by limiting maximum flow rate
- Prevent up-thrust damage (common on high draw-down submersibles)
- Prevent cavitation damage
- Prevent over-pumping beyond the supply capacity
- Maximise gland packing life through carefully controlled gland-water flow
- Domestic & Commercial View PDF
- Showers - water conservation and energy savings
- Drinking fountains - controlled stream
- Toilet cisterns - Prevent "continuous flush" operation if fill rate is too fast
- Water hammer prevention
- Keep flow below a pre set maximum to ensure gas & electric instantaneous heaters can heat to a sufficiently hot temperature