ROC-8221 Single Stage Double Channels RO Controller
ROC-8221 is a combined control instrument of a single-stage reverse osmosis controller and double-channel on-line conductivity instrument.


ROC-8221 is a combined control instrument of a single-stage reverse osmosis controller and double-channel on-line conductivity instrument.


Suitable for large residential/light commercial applications
Fully adjustable, 5-cycle control delivers controlled upflow backwash, downflow brining and slow rinse, rapid rinse, timed brine refill and downflow service
Backwash capacity handles tanks up to 24″ diameter
Mechanical control (7- or 12-day clock or metered initiated regeneration)
Valve body is solid, lead-free brass
Time tested, hydraulically-balanced piston, seal, and spacer concept to pilot service flow and regeneration


This series instruments are widely used for online pH/ORP monitoring in environment protection water treatment, pure water treatment, industrial process and so on.




FL-9900 flow transmitter adopts all-digital circuit design, which has the characteristics of simple circuit structure, high precision, good reproducibility, strong anti-interference ability, high protection level, easy installation and use. Widely used in water treatment, cooling water, chemical, biopharmaceutical, power plants, cement plants, sewage treatment, colleges and universities, research institutes and other industrial processes real-time, on-line monitoring of fluids。


“One Dynamic and Two Static” Double Static Ceramics Plates Multi-port Valve is on behalf of another beginning in the field of water treatment control, which can overcome many disadvantages of traditional products in installation.


On-line analysis and process control of the oil refining, metallurgy,chemical synthesis industry process;


RF double tank floating bed plane multi-way valve, realized tow tank softening at the same time and regenerating alternate, integrated with brine jet device and brine flow meter and brine electric valve, with soft water flow meter, guarantees the water softening , the water regenerating and water filling to salt box, Complete according to the set volume.as long as the factory according to the raw water hardness set corresponding operation parameters, can always guarantee the stable operation of the equipment, guarantee the softened water and salt consumption.


High Cost-Effective ,widely used for chemical industry,paper making industry,industrial coating,pharmaceutical,food,beverage,municipal water,Environmental and so on.