Sit 848 Sigma Instructions D'utilisation Et D'installation page 8

Side outlet flanged version
Flange shall be according ISO 7005. Use three screws threaded M5x1. The holes depth on the
valve is 6.5 mm. Use appropriate lenght screws to assure a penetration on the threaded holes on
the valve near to the maximum depth. First screw the pipes onto the flanges and then the flanges
onto the multifunctional control. Recommended torque for flange fixing screws: 3 Nm.
Important Check the "O" ring is properly placed in the groove of the flange.
Rp 1/2 version (female thread)
The connection must be made using gas pipes with Rp 1/2 according ISO 7 thread. Recommended
torque: 25 Nm.
WARNING
"Quick fit" version
Use this gas outlet only to connect the SIT 390 MIXER "quick fit" series. Operate in a clean
environment. Remove only by hand the protective plug from the output gas connection of the valve
(see Fig. 4) and from the gas connection of the mixer (see Fig. 5). Position the gas connection of
the mixer in correspondence with the gas valve outlet as shown in Fig. 6 and insert it into the gas
valve outlet applying force by hand. Rotate to desired position, see Fig. 7. This completes the
connection.
WARNING
Fig. 4
Air signal connection
If needed connect the air signal to the port G by means of a hose. The hose must be suitable for the
port ∅ 6 mm, see Fig. 8.
8 8
DO NOT OVERTORQUE. COUNTERbALANCE
THE TORQUE (SEE ExAMPLE IN FIG. 2).
FULLy FUNCTIONALITy IS GUARANTEED ONLy IN THE POSITION
SHOWN IN FIG. 7
Fig. 5
Fig. 6 Fig. 7
Fig.2
Hose
G
Fig.8