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Rev. May 2001 GraviMaster-FGB-M05 (S) Page 47
Gravimetric Blender
7.0 TECHNICAL INFORMATION
7.1 General machine specifi cations
Connecting voltage : 1-phase 240 V
Communication cable : Fiber optic cable (or RS–422)
Air pressure : max. connecting pressure: 12 bar (+/- 170 psi)
working pressure: 4-6 bar (+/- 57-86 psi)
Sound level : < 70 dB (A)
Surroundings temperature : -18°C to +50°C
Batch weight : 0,5 kg
Machine weight : 25 kg
Machine dimensions : 450 x 450 x 640 mm
7.1.1 Safety measures
The GraviMaster is secured by 1 safety switch, which is positioned on the frontdoor. When
the frontdoor is opened, the machine will stop.
7.2 User-interface specifi cations
Connecting voltage : 240 V
Printer connection : Parallel port
7.3 Valves specifi cations
The machine is supplied with valves from the brand MAC, type 45A-SC1-DDAJ-1KJ. The
number of valves is similar to the number of hoppers + 1 for the weighbin + 1 for the
mixer chamber valve (optional).
The connection: (drawing 7 and 7.1) The valve of the weighbin is sealed at W1, so
connection on W2 is the only possibility. Connecting dispenser valves
H1 and H2 is as follows;
* H1-1 onto C1, as H2-1 onto C1 etc.
* H1-2 onto C2, as H2-2 onto C2 etc.
H1-1 and H1-2 should be connected to the cylinder under hopper 1,
H2-1 and H2-2 to the one under hopper 2 etc.
If there is a mixer chamber valve, it should be connected to B-1 and
B-2, one of the lines is numbered, like one side of the cylinder.
Connect the concordant ones.