KING REGULATOR SERIES (TWO-STAGE) GAS REGULATORS has a forged brass bonnet in first stage and a die-cast special alloy bonnet in second stage for higher strength. Stainless steel diaphragm in first stage absorbs the shock of inlet pressure up to 230 bar, and the flexible profile rubber diaphragm in second stage offers fine gas control. Key Features 1. Stainless steel diaphragm in first stage to absorb shock of inlet pressure up to 230 bar 2. Flexible rubber diaphragm in second stage for fine gas control 3. Forged brass bonnet in first stage 4. Die-cast special alloy bonnet in second stage for higher strength 5. Teflon moulded valve and stainless steel spindle in the valve assembly capsule in both stages for leak-proof performance 6. Unique pressure gauge & pressure adjusting knobs 7. Second stage plenum chamber volume is six times larger than the first stage, ensuring very stable flow characteristics 8. Double protection through separate safety valves in both first and second stage 9. Triple filter: one in inlet and two wire mesh in the valve assembly to protect sensitive internal parts from dust particles 10. Weight: 2.40 Kg Applications 1. Nitrogen purging 2. Pressure testing 3. HVAC servicing 4. Industrial nitrogen supply lines 5. Fabrication & workshop operations