ITRON RB 4700 Mode D'emploi page 37

SSV 8600
(for RB 4700 models with integrated SSV 8600)
Shut-off valve with lever reset (SSV 8600)
This device consists of a valve body 1, a pressure
switch used to compare the pressure 2, a control
lever 3 and a stem-valve plug assembly 4 The
shut-off valve is triggered when the pressure value
to be checked in the control chamber 5 increases
or decreases beyond the established values, mov-
Item Description
1 Valve body
2 Pressure switch
3 Levers system
4 Stem-valve plug assembly
5 Motorisation chamber
6 Diaphragm assembly
7 Valve plug spring
8 Valve orifice
9 Screwing ring
10 Screwing ring
1 1 Resetting lever
12 Outlet chamber
13 By-pass
36 36 36
ing from its balancing position the diaphragm as-
sembly 6; as a consequence the control lever 3
triggers, releasing the stem-valve plug assembly 4
By effect of the force of the spring 7, the assembly
4 comes immediately into contact with the valve 8
cutting automatically the flow of the gas