Cobra 40-25

High-pressure piston diaphragm pump. Universally applicable for aggressive, abrasive, and shear-sensitive materials. Very low flushing agent consumption. For all applications up to 250 bar and 5 l/min. Suitable for up to 8 Aircoat spray guns.


Technical Data

Technical Data

Application Area

Metal Coating, Protective Coating, Wood Coating, Demolding and Separating

Application Technique

Airless, AirCoat

Processable Material

Water-Borne, Solvent-Borne, Abrasive, Shear Sensitive, Sensitive to Moisture

Material Wetted Parts

Nickel-Plated Aluminum, Stainless Steel, Tungsten Carbide


Complies With ATEX Directive, Complies With CE Directive


32 kg

Material Outlet

M G 3/8''

Compressed Air Connection

F G 1/2''

Air Inlet Pressure

2.5-6.25 bar

Max. Material Pressure

250 bar

Volumetric Flow Per Double Stroke

25 cm³

Volumetric Flow Per Minute

5 l/min

Max. Stroke Rate

200 1/min

Sound Level at 6 Bar Air Pressure

76 dB(A)

Max. Allowed Inclination

10 °

Transmission Ratio

40 :1

Material pH Value

3.5-9 pH

Material Temperature

10-80 °C


Brochure High pressure diaphragm pump Cobra_EN


Press article “Minimal flushing quantities” (BESSER LACKIEREN, no. 17/2023)