Hfr-Silicone (Hfrs) - Graco HFRL Setup And Operation Manual

Models

HFR-Silicone (HFRS)

HFRS models are designed for use with high viscosity, unheated silicone adhesives at flow rates of up to
20 cc/sec (3 lb/min) @ 2500 psi (17 MPa, 172 bar). The equipment can be run at up to 20 cycles per minute
continuous duty.
A Pump B Pump
Size Size
10 100
15 80
40 40
10 60
20 40
10 40
10 10
** Cycle rate should be between 3 and 20 cycles per minute. Max flow rate is determined for continuous service at
120°F (39°C) at stated cpm and pressure. Higher cycle rates are possible at lower temperatures/pressures and
intermittent use. Lower cycle rates may be possible, but should be tested under application conditions.
Flow rates are established @ 2500 psi (17 MPa, 172 bar). Dispense rate in excess of max flow and pressure may
†
result in an elevated temperature of the hydraulic system, resulting in a thermal shutdown (T4H1). Other system
models are available for sustained flow rates and pressures in excess of above.
6
Required cpm@
cc/cycle Maximum Flow**
110 11
95 12.5
80 15
70 17
60 20
50 20
20 12
Minimum Flow † Maximum Flow †
cc/sec
5.6
4.8
4
3.6
3
2.5
1
cc/sec Ratio
20 10.00
20 5.33
20 1.00
20 6.00
20 2.00
16.7 4.00
4 1.00
3A2175Z