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Technical specifications

The data are based on measurements performed under the following conditions:

 

Feed pressure

Feed pressure is measured right in front of the air nozzle and is stated in the unit kilopascal [kPa] or pounds per square inch [psi]. Technical data presented in the manual apply at a feed pressure of 500 kPa (72.5 psi) unless stated otherwise.

 

Blowing force

Blowing force is measured on a scale with a flat surface of 310 x 290 (12.20” x 11.40”) and at a distance of 200 mm (7.87”) from the opening of the air nozzle. Blowing force specified in the unit Newtons [N] or ounces [oz] or pounds [lbs]. 1 lb = 16 oz.

 

Air consumption

Air consumption is measured by a flow meter located before the blowing nozzle. Consumption is given in the unit Normal cubic meter per hour [NmÑ/h] or standard cubic feet per minute [scfm].

 

Sound level

Sound level is measured at a distance of one meter (3.28 ft) from the air nozzle outlet and with the microphone perpendicular to the direction of the air jet. The sound level is stated in the unit decibel A [dB(A)].

 

Blowing coverage

The blowing coverage shows the spread of the air in front of the air nozzle and is stated in millimeters [mm] or inches [“].

 

Measurements

The measurement data are stated in millimeters [mm] or inches [“].

 

Temperature

Maximum allowable working temperature for the products is stated in degrees Celsius [°C] or degrees Fahrenheit [°F].

 

Air nozzle technology

Describes the type of technology the nozzle is based on.

Hole

Our first generation nozzle with aerodynamic outlet holes. These nozzles enjoy all of our benefits such as high safety. low sound levels and low air consumption.

Slot

Our second generation nozzle with aerodynamic outlet slots. These nozzles enjoy all of our benefits such as high safety. low sound levels and low air consumption. They are also available with higher blowing forces.

Laval

Our third generation nozzles combining a central de Laval outlet hole and aerodynamic peripheral outlet slots. These nozzles enjoy all of our benefits such as high safety, low sound levels and low air consumption. They are extremely well suited for applications with long blowing distances. They are also available with higher blowing forces and are more energy-efficient than their predecessors.

Multi-Laval

Our fourth and latest generation nozzles with multiple outlet holes based on de Laval technology. These nozzles enjoy all of our benefits such as low sound levels, low air consumption and safety. They also generate significantly higher blowing force and are more energy-efficient than their predecessors.

 

Maximum working pressure

1.0 MPa (145 psi) unless stated otherwise.

 

Thread standards

G-thread

Cylindrical thread according to ISO 228/1. Use sealing washer, adhesive or thread tape during assembly. Another classification for this thread is BSP (British Default Pipe Thread).

NPT thread (National Pipe Thread)

American standard according to ANSI/ASME B 1.20.1. The threads are deformed to achieve a seal.

M-thread

Metric thread according to ISO 68/ISO 724. Use adhesive or thread tape during assembly.

 

Air supply

An important factor for the air nozzle(s) to function optimally is that the air supply must be large enough. Otherwise the flow might be turbulent and/or the blowing force could be unevenly distributed. For applications that use many nozzles mounted on a line the air supply can be divided among multiple inlets. It is also important that fittings and nipples do not choke the air supply.

Table for air supply.

MATERIAL (nozzle)KIND OF MATERIALInternational standards (EN)(ASTM)(UNS)(JIS)DESCRIPTION
1.4305 (303)Stainless steel1.4305303S30300SUS 303Suitable for high ambient temperatures, mechanical wear, corrosive atmosphere, and cleanliness.
1.4404 (316L)Acid-resistant stainless steel1.4404316LS31603-Suitable for high ambient temperatures, mechanical wear, aggressive corrosive atmosphere, and high demand on cleanliness.
1.4542 (630)Stainless steel1.4542630S17400SUS 630Suitable for high ambient temperatures, mechanical wear, moderate corrosive atmosphere, and cleanliness.
ZnZincHandles blowing applications with low ambient temperature and limited mechanical abrasion.
AlAluminumHandles blowing applications with low ambient temperature and limited mechanical abrasion.
EPDMEthylene Propylene Diene Monomer rubberMinimises the risk of scratching during blowing with compressed air.
PEEKPolyether Ether KetoneSoft contact surface but can withstand high temperatures.
ZytelThermoplastic polyamideAn advanced fiberglass-reinforced polyamide with good performance in terms of moisture, temperature, and chemical environment.