Operating instructions

Page 18
ProMinent
®
Overflow valve Sigma/ 2 liquid end, 16 bar SST Identcode Type: 16050, 16090, 16130
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
Fig. 10
61_05-103_00_90-03
Product description S2Ba/S2Ca
WARNING
• Only EX pump: Please thoroughly read the chapter “Important Additions for Metering
Pumps in the EX Area” of the “General Operating Instructions ProMinent Motor Metering
Pumps and Hydraulic Accessories”!
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.
• 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.
102 132 130
128
133
139
BA_SI_036_06_10_EN.p65 08.06.2010, 11:38 Uhr18