Marolex Industry Alka Line 7 Backpack Sprayer 7 L

Industrial cleaning and disinfection with alkaline solutions demand a sprayer that resists chemical attack and delivers reliable pressure. The Marolex Industry Alka Line 7 is a 7-litre backpack sprayer engineered specifically for aggressive alkaline chemicals, degreasers, and disinfectants. Its high-density polyethylene tank, EPDM seals, and fiberglass lance withstand harsh environments, while the efficient piston pump builds up to 4 bar for consistent coverage. An integrated pressure gauge, automatic safety valve, and adjustable flat fan nozzle give you precise control, and the transparent level strip lets you monitor liquid at a glance. With an adjustable shoulder strap and stabilizing base ring, it’s built for long shifts in demanding industrial settings.

Who is it for

This sprayer is ideal for maintenance teams, cleaning contractors, and industrial facilities that regularly apply alkaline cleaning agents, degreasers, or disinfectants. It suits workshops, food processing plants, warehouses, and agricultural operations where chemical resistance and dependable performance are essential.

Main features

• 7-litre high-density polyethylene tank with high resistance to alkaline chemicals
• Efficient piston pump delivers up to 4 bar (0.4 MPa / 58 PSI) operating pressure
• Integrated pressure gauge and automatic pressure relief valve for safe, consistent spraying
• 50 cm fiberglass lance with adjustable flat fan nozzle (MR1.5) for versatile coverage
• 130 cm hose and in-handle filter to prevent clogging
• Dosing valve with lock for controlled application
• Transparent liquid level strip for quick refill checks
• Adjustable shoulder strap and stabilizing base ring for comfortable, stable use

Specifications

• Capacity: 7 litres
• Maximum operating pressure: 4 bar (0.4 MPa / 58 PSI)
• Tank material: High-density polyethylene (HDPE)
• Seal material: EPDM (ethylene propylene diene monomer)
• Lance material: Fiberglass composite
• Lance length: 50 cm
• Hose length: 130 cm
• Nozzle type: Adjustable flat fan nozzle (MR1.5)
• Pump type: Efficient piston pump
• Pressure gauge: Integrated
• Safety valve: Automatic pressure relief valve
• Carrying system: Adjustable shoulder strap
• Base: Stabilizing base ring
• Liquid level indicator: Transparent strip
• Valve type: Dosing valve with lock
• Filtration: In-handle filter
• Application suitability: Alkaline solutions, industrial cleaning, disinfection, degreasing

Tips

Always rinse the sprayer with clean water after each use, especially when working with alkaline chemicals, to prolong seal and tank life. Check the pressure relief valve regularly and store the unit empty in a cool, dry place. For best results, adjust the flat fan nozzle to match the surface area and use the dosing valve lock for consistent application rates.