Sit 845 Sigma, Инструкции по использованию и установке

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7
845 SIGMA USE AND INST
ALLA
TION INSTRUCTIONS
ENGLISH
Main gas connection
Prevent foreign matter from getting into the valve during installation. In particular, check the
cleanliness of the inlet and outlet pipes.
G3/4 version (external thread)
See Fig.3. Use gas pipes with a suitable flat annular surface to allow the use of a sealing gasket.
The locking ring thread shall comply with ISO 228. Ensure the gasket is suitable for the use. Apply
the proper torque to the locking ring, according to the gasket characteristics, in order to ensure the
seal.
WARNING
DO NOT OVER-TIGHTEN THE LOCkING RING. COUNTERbALANCE
THE TORQUE (SEE ExAMPLE IN FIG. 2).
Fig.
Inline flanged connections
Flanges shall be according ISO 7005. Use four screws threaded M4x1. The holes depth on the
valve is 6.0 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.
Side outlet flanged connection
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 connection
The connection must be made using gas pipes with Rp 1/2 according ISO 7 thread. Recommended
Pipe
Locking ring
Gasket
Pipe
Locking ring
Gasket