400B Auto Spray Gun

Automatic Airless Spray Gun — Block Type Aluminium

The 400B is a compact block-style aluminium automatic airless spray gun rated at 400 BAR. Features a minimum 2 bar switching pressure (lower than most auto guns), making it ideal for systems with lower plant air. 11/16" UNF tip connection, 1/8" BSP inlet port.

Request Quote ← All Accessories

CE Certified ATEX ISO · TUV

Technical Specifications

Max Working Pressure	400 bars
Switching Air Inlet Pressure	Minimum 2 bar (Spring return)
Inlet/Circulation Ports	1/8" BSP
Tip Connection	11/16" UNF
Wetted Parts	Aluminium, Tungsten Carbide seat, PTFE
Certifications	CE · ATEX

Key Features

400 BAR maximum working pressure

Compact block design — ideal for tight installations

Minimum 2 bar switching — works with low air pressure systems

Aluminium body — lightweight for robotics

Tungsten Carbide seat

CE & ATEX certified

Product Videos

Reciprocator Based Spray Painting

FAQs — 400B Auto Spray Gun

Why is 2 bar switching better in some systems?

Lower switching pressure (2 bar vs the usual 4 bar) allows use in systems with lower regulated plant air supplies, or in faster-cycling automatic painting systems.

Need This Accessory?

Get a Quote All Accessories