WIWA 235.42 Professional Air-Operated Airless Pump (42:1)

Overview

For sale is a heavy-duty WIWA 235.42 air-operated piston pump (pneumatic airless sprayer). Manufactured in Germany, WIWA pumps are world-renowned for handling the toughest industrial coatings. This unit is designed for high-pressure, high-volume applications such as protective coatings, marine/shipyard painting, structural steel anti-corrosion applications, and handling high-viscosity fluids.

Because it is powered by compressed air, it is ATEX-certified and entirely safe for use in hazardous, explosive environments where electric motors cannot be used.

Technical Specifications

• Pump Ratio: 42:1
• Maximum Fluid Pressure: 336 bar (4872 PSI)
• Maximum Air Input Pressure: 8 bar (116 PSI)
• Output per Cycle: 235 cm³ (7.95 fl/oz) - High volume output
• Maximum Fluid Temperature: 80°C (176°F)
• ATEX Explosion Protection Rating: Ex II 2G cT4
• Year of Manufacture: 2010

• Manufacturer: WIWA (Lahnau, Germany)

Key Features & Build

• Pneumatic Operation: Requires a separate air compressor to run. Features a large, powerful air motor with a perforated metal exhaust muffler.
• Integrated Air Preparation: Comes equipped with an attached air pressure regulator, gauge, moisture trap/filter, and a main air shut-off valve for precise control.
• Heavy-Duty Fluid Section: The stainless steel lower pump block is built to withstand highly abrasive, high-solid materials and continuous industrial use. Includes a high-pressure bypass/return valve manifold.
• Direct Drum Suction: Fitted with a thick, heavy-duty suction hose designed to draw thick materials directly from large drums or containers.

• Rugged Mobility: Mounted on a robust, welded steel two-wheel cart, making it easy to tilt and roll across rough factory floors or shipyards.

Condition Used, industrial condition. The frame and air motor housing have been repainted in a clean industrial blue. The stainless steel fluid section, valves, and gauges are intact and mechanically sound. Built with legendary German engineering, these pumps are designed for decades of reliable service.