REV01 - Aug. 06
Ideas with Passion
6.5 SBS Valve
8/9
PRIMEA Section 06
Beverage dispensing process
The SBS dispense valve SBS (see fig. 2) controllable via the knob, enables variation (increasing
or decreasing according to the position of the knob) of the water flow rate for brewing.
This adjusts the coffee brewing time (extraction time) and consequently the intensity of taste,
keeping the cream quality constant.
Function
With the SBS valve in the open position, coffee is accumulated in the membrane valve due to a
low back-pressure of the SBS valve. Consequently the membrane valve needle remains in the
maximum open position, due to resistance of the spring. Coffee exits quickly (see fig. 3).
With the SBS valve in the closed position, coffee is accumulated on the membrane of the valve
with a consequent increase in pressure in the valve. The spring yields to the back-pressure and
the needle then reduces the coffee passage (see fig. 4).
Fig.4
Fig.1
Fig.2
Fig.3
Summary of Contents for Prime line
Page 3: ...REV01 Aug 06 Ideas with Passion SECTION 1 INTRODUCTION REV 00 PRIMEA Section 01...
Page 5: ...REV01 Aug 06 Ideas with Passion SECTION 2 TECHNICAL DATA REV 00 PRIMEA Section 02...
Page 9: ...REV01 Aug 06 Ideas with Passion SECTION 3 BRIEF INSTRUCTIONS REV 01 PRIMEA Section 03...
Page 15: ...REV01 Aug 06 Ideas with Passion SECTION 4 DIAGRAMS REV 00 PRIMEA Section 04...
Page 22: ...REV01 Aug 06 Ideas with Passion SECTION 5 TROUBLESHOOTING REV 01 PRIMEA Section 05...
Page 43: ...REV01 Aug 06 Ideas with Passion SECTION 6 OPERATING LOGIC REV 01 PRIMEA Section 05...
Page 76: ...REV01 Aug 06 Ideas with Passion SECTION 8 SERVICE SCHEDULE REV 01 PRIMEA Section 08...
