Gas valve SIT 848 SIGMA 0.848.024

Multifunctional gas control with two automatic shut-off valves, servo pressure regulator and air-gas modulator. The plungers of the automatic shut-off valves are protected by an oil bath allowing particularly silent operation of the valves. Various supply voltages to the shut-off valves are available. Offset level and air-gas ratio adjustments are available. Gas inlet and outlet are with male thread or, as alternative, with fl ange connections or female thread.

Main features

• Two automatic shut-off valves • Pneumatic modulator with 1:1 gas-air pressure ratio • Servo-controlled pressure regulator • Gas-air ratio adjuster (optional) • Inlet filter • Outlet filter (optional) • Inlet, outlet and additional pressure test points with “captured” screw • Inlet and outlet gas connection available with male or female thread or for flange connection, available side outlet

Technical desgription

1 On-off solenoid valve EV1 and EV2 terminals 2 Inlet pressure test point (Pin) 3 Outlet pressure test point (Pint) 4 Additional outlet pressure test point (Pout) 5 Air signal connection port 6 Zero adjustment (offset) 7 Gas-air ratio adjuster 8 Male G 3/4 gas inlet 9 Flange gas inlet 10 Female Rp 1/2 gas inlet 11 Male G 3/4 gas outlet 12 Flange gas outlet 13 Female Rp 1/2 gas outlet 14 Side gas outlet.