We at PVR Controls have two established brands – SubZero & Castle, both of which have grabbed the attention, and the loyalty of several industry leading giants. Sub-Zero Controllers for Automation & Castle Ammonia Valves are at the centre of several Refrigeration & Air-conditioning projects. Quality, Reliability, Service & Innovative products are the prime reasons for our success in this automation journey. Sub-Zero range includes General Temperature Controllers & Indicators, Freezer Controllers, Cold Room Controllers, Packaged AC Controllers, Chiller Controllers, RH & Temp Controllers, Fruit Ripening Controllers, Telecom AC Controllers, Process Controllers, PID Controllers, PLC & HMI Automation, Data Loggers and Monitoring systems, Ammonia Leak Detectors, Line Voltage Monitors, Digital Panel Meters & Power Analysers, Screw Compressor controllers, Electrical Cold Room Panels, Flame Proof Controllers & Panels, Temperature Humidity & Ammonia Sensors. Castle range of Ammonia products includes Solenoid Valves, Liquid Level Controllers, Shut off valves, Strainers, Hand Regulating valves, Check valves, Inline NRV’s, Double stop valve with Safety valves, Ball valves, Sight Glass, Humidifiers We look forward to serve your Cooling requirements in an Effective & Efficient manner!