Graco Gusmer Reactor H-25 Operation page 18

4. Connect feed pumps
a.
Install feed pumps (K) in component A
and B supply drums. See F
F . 2, pages 8 and 9.
IG
A minimum feed pressure of 50 psi (0.35 MPa, 3.5
bar) is required at both feed inlet pressure gauges
(FP). Maximum feed pressure is 250 psi (1.75 MPa,
17.5 bar). Maintain A and B feed pressures within
10% of each other.
b.
Seal component A drum and use desic-
cant dryer (M) in vent.
c.
Install agitator (L) in component B drum,
if necessary.
d.
Ensure A and B inlet valves (FV) are
closed.
FV
Supply hoses from feed pumps should be 3/4 in.
(19 mm) ID.
e.
Connect and tighten component B sup-
ply hose to the 3/4 npt(f) swivel on the
component B inlet valve.
18
. 1 and
IG
5.
Do not install shutoffs downstream of the PRES-
SURE RELIEF/SPRAY valve outlets (BA, BB, page
11). The valves function as overpressure relief valves
when set to SPRAY. Lines must be open so valves
FP
can automatically relieve pressure when machine is
ti7718a
operating.
If circulating fluid back to the supply drums, use high
pressure hose rated to withstand the maximum work-
ing pressure of this equipment.
ti7737a
f.
Connect and tighten component A sup-
ply hose to the 1/2 npt(f) swivel on the
component A inlet valve.
Connect pressure relief
lines
a.
Recommended: Connect high pres-
sure hose (R) to relief fittings (BA, BB)
of both PRESSURE RELIEF/SPRAY
valves, Route hose back to component
A and B drums. See F
R
BA BB
b.
Alternately: Secure supplied bleed
tubes (N) in grounded, sealed waste
containers (H). See F
Setup
. 1, page 8.
IG
R
ti3171a
. 2, page 9.
IG
311299C