AZ3 HTE S IMPACT GRAVITY GUN

What is the AZ3 HTE S IMPACT Gravity Gun and why choose it

The AZ3 HTE S IMPACT Gravity Gun by Iwata is a compressed-air spray gun designed for the application of paints, lacquers and other sprayable products on suitable surfaces. It combines a compact 517 g body (without cup) with precise control of pattern width, air flow and material output, making it a reliable solution for professional refinishing and industrial coating tasks. Certified for use in potentially explosive atmospheres and engineered around clear safety and maintenance procedures, it is suited to users who need consistent atomization, robust construction and straightforward servicing.

Main features

• Gravity-feed design with dedicated 600 ml gravity cup set (18) for efficient material use.
• High transfer efficiency (HTE) spray technology for controlled atomization at recommended pressures.
• Adjustable spray pattern via pattern adjustment set (5): left turn for a large pattern, right turn for a small pattern.
• Air flow adjustment with air adjustment set (14) for fine tuning of atomization air.
• Material flow control using the fluid needle adjustment knob (6) and fluid needle spring (8).
• Wide nozzle range (AZ3 HTE-S IMPACT models HTE-S1 and HTE-S2 with multiple nozzle diameters) to match different materials and flow rates. Consultar ficha técnica del fabricante.
• Clear recommended operating parameters: spray distance 100–200 mm and paint viscosity of 12–23 s (Ford cup #4), depending on material and conditions.
• ATEX-compliant construction for use in potentially explosive atmospheres, with abbreviated marking on the gun: II 2 G Ex h X.
• Noise-optimized design with a measured sound level of 77.6 dB(A) (LAeqT) at 1 m behind the gun, 1.6 m height.
• Serviceable architecture with replaceable air cap, fluid nozzle, needles, seals, filters and air valve components, all available as original AIRGUNSA spare parts.

Technical specifications

• Model: AZ3 HTE S IMPACT Gravity Gun
• Max. working air pressure: 7.0 bar (100 PSI)
• Weight (without cup): 517 g (1.14 lbs)
• Noise level (LAeqT): 77.6 dB(A) – measuring point 1 m behind the gun, 1.6 m height
• Air connection: G1/4” M
• Fluid connection: G1/4” F
• Recommended paint viscosity: 12–23 s / Ford cup #4 (depending on paint and conditions)
• Recommended spray distance: 100–200 mm (3.9–7.9 in)
• Max. temperature range: Atmosphere 5–40 °C; Air/Fluid 5–43 °C
• Compliance marking (complete): II 2 G Ex h IIB T6 Gb X +5 °C ≤ Ta ≤ +40 °C
• Abbreviated marking on gun: II 2 G Ex h X
• Directive conformity: 2014/34/EU (EU); UKSI 2016:1107 (UK)
• Key standards: EN 1127-1:2019, EN ISO 80079-36:2016, EN 1953:2013 (and corresponding BS EN standards for UK)

Applications and use cases

The AZ3 HTE S IMPACT Gravity Gun is intended for professionals who apply liquid coatings using compressed air. Typical uses include:

• Application of paints and lacquers on surfaces suitable for this type of treatment.
• Coating operations inside spray booths, where proper ventilation and extraction are available.
• Jobs requiring adjustable spray patterns, from wide coverage to smaller, more focused patterns, using the pattern adjustment control.
• Work with a range of coating viscosities, as long as the material is within the recommended 12–23 s Ford #4 range.
• Environments with potentially explosive atmospheres, when used according to the ATEX-related markings and relevant directives.

The gun must not be used to spray foods or chemicals, and it must not be used with halogenated hydrocarbon solvents such as methyl chloride, dichloromethane, 1.2-dichloroethane, carbon tetrachloride, trichloroethylene or 1.1.1-trichloroethane, as these can chemically attack the aluminium body.

FAQ – AZ3 HTE S IMPACT Gravity Gun

1. What materials can I spray with this gravity gun?

The AZ3 HTE S IMPACT is designed for paints, lacquers and other products that can be atomized by compressed air and applied to compatible surfaces.

2. Can I use this gun with food or chemical products?

No. The manual specifies that the gun must never be used to spray foods or chemicals, as foreign substances may corrode the fluid passages and pose health risks.

3. What air pressure should I use?

The maximum working air pressure is 7.0 bar (100 PSI). Suggested atomizing pressure depends on the specific AZ3 HTE-S IMPACT model and is listed in the technical data table. Consultar ficha técnica del fabricante.

4. What paint viscosity is recommended?

A viscosity between 12 and 23 seconds using a Ford cup #4 is recommended, with the exact value depending on paint type and application conditions.

5. What is the ideal distance between the gun and the workpiece?

The recommended spray distance is between 100 and 200 mm (3.9–7.9 in), keeping the gun perpendicular to the surface and moving in a straight horizontal line.

6. How loud is the gun during operation?

The measured noise level is 77.6 dB(A) at 1 m behind the gun and 1.6 m height. Individual hearing protection is recommended, as actual exposure can be higher depending on the workplace.

7. How should I clean the AZ3 HTE S IMPACT after use?

Drain remaining paint, fill the cup with a compatible cleaner, partially loosen the air cap to back-flush the fluid passages while pulling the trigger, then empty and repeat until clean. Finally, remove the air cap and cup, clean sections with a soft brush and cleaner, dry all parts and lightly lubricate threaded sections.

8. Can I immerse the spray gun in solvent for cleaning?

No. The gun must never be completely immersed in liquids such as thinner or solvent. Only individual components like the cup and air cap may be cleaned as described, and the air cap must not be left soaking for prolonged periods.

9. Which parts are replaceable as spares?

Replaceable parts include the air cap set (1), fluid nozzle (2), pattern adjustment set (5), fluid needle (9), seals and O-rings (C), gravity cup set 600 ml (18), air valve components (11, 11-1, 11-2, 11-3), paint filter (F) and other listed items in the spare parts list.

10. What should I do if the gun does not spray?

Check that the fluid adjustment knob (6) is open, verify and clean the fluid nozzle tip (2), ensure the paint filter and non-drip device are not obstructed, and correct any identified issues before resuming use.

Section 14 – Transport information

Consultar ficha técnica del fabricante.

Section 8 – Individual protection measures

The manual specifies several measures for protection of the human body during use of the AZ3 HTE S IMPACT Gravity Gun:

• Ventilation: Always use the gun in a well-ventilated environment, preferably in a spray booth. Poor ventilation can lead to organic solvent poisoning and fire hazards.
• Eye protection: Wear safety glasses to prevent irritation and inflammation of the eyes caused by paint mists and cleaning liquids.
• Respiratory protection: Use a suitable mask to reduce inhalation of solvent vapours and overspray.
• Hand and skin protection: Wear suitable protective gloves and clothing to avoid skin contact with irritant materials.
• Hearing protection: Although the gun’s noise emission does not exceed 85 dB(A) at the specified measuring point, the use of individual hearing protection is recommended because real working conditions and other noise sources can increase daily exposure.
• Ergonomic precautions: Repeated trigger activation can contribute to carpal tunnel syndrome; operators should take regular rest breaks, especially when hand fatigue is noticed.

Contenido generado por IA