Installation
3-7
Part 1128350_02
E 2020 Nordson Corporation
Compressed Air
Toachievemaximumhotmeltoutput,themeltermustbeconnectedtoanair
supply that is capable of providing 6.2 bar (90 psi) of dry, non-lubricated air.
The actual pres sure required for the melter to support your manufacturing
process will depend on such factors a s the type of hot melt and applicator
you are using and the required dimensions of the hot melt bead.
NOTE: The operating air pressure range for the melter is 0.69 to 6.2 bar
(10 to 90 psi). Operating the melter with air pressure less than the minimum
may cause the pump to function erratically.
Air consumption during operation:
Depending on the type of pump being used, follow these specifications for air
consumption:
Standard Double-Acting
High-output
Double-Acting
Single-Acting
2.0SCFMat60psiand
1.2 lb/min
(56 l/min at 4.1 bar and
0.54 kg/min output)
3.5SCFMat60psiand
2 lb/min output
(100 l/min at 4.1 bar and
0.91 kg/min output)
4.7SCFMat60psiand
maximum output
(133 l/min at 4.1 bar and
maximum output)
Air consumption with fill system by transfer rate:
S 17 SCFM at 3.4 bar (50 psi) to transfer 105 kg/hr (232 lb/hr) with
a4mhoseata4mrise
S 22 SCFM at 4.1 bar (60 psi) to transfer 113 kg/hr (248 lb/hr) with
a9mhoseata4mrise
S 30SCFMat6.2bar(90psi)totransfer91kg/hr(200lb/hr)withan
18mhoseata4mrise
S Average: 1.3 SCFM for a complete system [melter, 4 m transfer hose,
4.1 bar (60 psi)] operating at 11 kg/hr (25 lbs/hr) adhesive output
NOTE: Nordson recommends that an isolation valve be installed in the plant
airsupplylinejustbeforethemelterforsafetyandmaintenancepurposes.
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