SIGMA S2Ba - Manual (Page 21)

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Page 21 Pr o Minent ®
Overflow valve Sigma/ 2 liquid end, 16 bar SST Identcode Type: 16050, 16090, 16130
Overflow valve Sigma/ 2 liquid end, 12 bar SST Identcode Type: 12050, 12090, 12130
Overflow valve Sigma/ 2 liquid end, 7 bar SST Identcode Type: 07120, 07220
Overflow valve Sigma/ 2 liquid end, 4 bar SST Identcode Type: 04350
Product description S2Ba/S2Ca
Fig. 7
3161-4
IMPORTANT
• Knob item 139 must be turned in clockwise direction as far as it will go towards ”close“.
• The bypass line must always be closed and must be routed back into the supply tank.
Connection via hose connection item 128.
• Minimal overflow can occur in the bypass line when the valve operates close to the
overpressure function.
The bleeder function is achieved by turning knob item 139 in counterclockwise direction as far as
it will go towards ”open“: Priming aid for starting up pump against pressure. The force of spring
item 132 relieves ball item 130 which is controlled by the lower spring force of bleeder spring
item 133.
IMPORTANT
Once the pump has primed, turn knob item 139 in clockwise direction as far as it will go
towards ”close“! The pump is now operational.
134
102
133
132
138
139*
131
202
203
126
125
127
136
128
130
111
112
100
110
114
115
118
200
201
117
101
113
116
137
141
140
129