Anest Iwata W400 Spray Gun [Classic]

The Anest Iwata W-400 Iwata spray gun is supplied with a 1.3 mm nozzle. Typical applications include general industrial and automotive refinishing (including primer, basecoat, clearcoat).

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Technical Specifications

Manufacturer: Anest Iwata
Part Number:
W-400 [Classic]
Nozzle Size: 132 (= 1.3 mm)
G: Gravity Feed
Atomization Technology:  Conventional
Air Consumption (max.): 370 lpm [13.1 cfm]
Spray Pattern: 300 mm [11.8 in]
Air Atomizing Pressure (recommended): 2-3 bar [29-43 psi]
Air Pressure (max.): 6.8 bar [98 psi]
Weight: 380 g [13.4 oz]
Air Inlet: 1/4″
Temperature Range: 5-40°C [41-104°F]


The Anest Iwata W-400 with conventional atomization and 1.3 mm nozzle can be considered a general purpose spray gun. Nozzles from 1.2 to 2.5 mm are available as an option, allowing a wide range of coatings to be sprayed, from light to high viscosity materials. The guns are also widely used in automotive refinishing for base coat, clear coat and primer. Available spare parts include fluid tip & needle, repair kits and cups.


Automotive refinishing (incl. primer, basecoat, clearcoat)

Instruction Manual/Parts Breakdown

Iwata W400 Instruction Manual (*.pdf, 661 KB)

FAQ – Frequently Asked Questions

  • What is the difference between the Iwata W400 and W200 spray guns??
    The Iwata W400 spray gun is a gravity feed spray gun, while the Iwata W200 series spray guns are available in either gravity, suction or pressure feed configurations
  • What is the difference between Iwata “W” and “LPH” spray guns?“
    While ‘W’ is an acronym for Iwata’s range of air spray guns, “LPH” stands for the range of HVLP spray guns.


(not included)

Repair/Rebuild Kit: 5650 (not included)
Disposable Cup Adapters:
3M PPS 2.0 #S2 – 26003 (not included)
Sata RPS #1 – 125211 (not included)
Devilbiss DeKups DPC-11 (not included)

Air Consumption & Pattern Width

Model Nozzle Size mm [in] Air Cap Air Consumption lpm [cfm] Pattern Width mm (in) @250 mm/9.8 in
W-400-122G 1.2 [0.047] LV2 370 [13.1] 250 [9.8]
W-400-132G 1.3 [0.051] LV2 370 [13.1] 300 [11.8]
W-400-142G 1.4 [0.055] LV2 370 [13.1] 320 [12.6]
W-400-162G 1.6 [0.063] LV2 370 [13.1] 340 [13.4]
W-400-182G 1.8 [0.071] LV1 380 [13.4] 320 [12.6]
Iwata W400 Air Consumption & Pattern Width

Additional information



Atomizing technology


Nozzle size

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