Glossary
D-10
P/N 7105144G
2008 Nordson Corporation
VersaBlue_NW
Noise Emission
Noise level that a unit produces in the immediate vicinity. The noise
emission is stated in dB (A).
Nominal Air Quantity
States suction volume of exhaust hoods. The pressure drop from the
exhaust hood to the customer’s fan must also be taken into consideration.
Nozzle
The component through which the material leaves the gun/application head.
The nozzle determines the volume, shape and direction of the material
outlet.
Open Time
The maximum time in which bonding can occur between application of the
material to the substrate and pressing on the second part. Factors such as
application temperature, substrate, adhesive properties and amount of
adhesive are relevant to open time.
Operating Air Pressure
The customer’s compressed air supply is usually reduced by pressure
controllers in the units. The operating air pressure is the reduced pressure
at which pneumatic components are operated.
Operating Voltage
The voltage used to operate the unit. The operating voltage is stated on the
ID plate. A transformer may be necessary to adapt the melter to the
customer’s line voltage.
Output Quantity
The material volume fed by the pump. Stated e.g. in cm
3
/min.
Pa
Pascal, SI unit for pressure. Refer to Conversions.
Parameters
Variably adjusted values that must be entered into a control unit, a PLC
control or the control system.
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