• Stainless steel diaphragm in first stage to absorb shock of inlet pressure up to 230 bar. Flexible rubber diaphragm in second stage for fine gas control.

• Forged brass bonnet in first stage and die cast special alloy bonnet in second stage for higher strength.

• Plastic moulded valve and stainless steel spindle in the valve assembly capsule in both stages for leak-proof performance.

• Distinctive colour for bonnet, pressure gauge and pressure adjusting knobs.

• Second stage plenum chamber volume is six times than first stage ensuring very stable flow characteristics.

• Double protection through separate safety valves in first and second stage.

• Triple filter: one in inlet and two wire mesh in the valve assembly protect the sensitive internal parts from any dust particles. Weight 2.40 Kg.