Guidelines

Blowing force

It is essential to choose the right air nozzle to ensure that the application will be safe, quiet and effective, as well as economical. Blowing force is crucial; if it is inadequate, the blowing application cannot be performed, while if it is oversized, it is not possible to take full advantage of Silvent technology. Blowing force is measured in newtons (N) and ounces (oz) or pounds (lbs). Contact Silvent if you are uncertain about the blowing force required for your application.

This guide will recommend Silvent air nozzles equal in blowing force to an open pipe:

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Blowing pattern

Depending upon the work the nozzle must perform, choose one of the following
blowing patterns.

FLAT – Generates a broad air jet.
WIDE – Generates a large conical air jet.
CONC – Generates a centered conical air jet.
LAVAL – Generates a core jet with supersonic speed and surrounded by a protective airstream.
MISC – Extraordinary blowing patterns such as backward blowing, divergent, etc.

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Material

ZINC – Handles blowing applications with low ambient temperature and limited mechanical abrasion. From -20° to +70°C (-4º to +158º F).
STAINLESS – Tolerates high ambient temperatures, mechanical abrasion, aggressive and corrosion-prone atmosphere as well as requirements for cleanliness. From -20° to +400°C (-4º to +752º F).
ALUMINUM – Handles temperatures from -20° to +150°C (-4º to +302º F).
PEEK – Soft contact surface but can withstand high temperatures. Max temperature is 260°C (500°F).
ZYTEL – An advanced fiberglass-reinforced polyamide with good performance in terms of moisture, temperature, and chemical environment. Max temperature is 180°C (356°F).
EPDM – Minimizes the risk of scratching during blowing with compressed air. Max temperature is 70°C (158°F).
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