Haskel M-7 Air Driven Liquid Pump – 0.33 HP, 900 PSI

Description

The Haskel M-7 is a compact, reliable and ATEX-certified air driven liquid pump from Haskel International — the world leader in high-pressure pumping technology. Part of the legendary Haskel M-Series miniature pump range, the M-7 uses a 7:1 pressure ratio to boost liquid pressures to a maximum of 900 PSI using only compressed air as the drive medium.

Requiring no electricity, the M-7 is inherently safe for use in explosive and hazardous environments aboard marine vessels, offshore platforms and industrial facilities.

Key Specifications:
– Brand: Haskel International (Burbank, CA, USA — Ingersoll Rand Business)
– Model: M-7
– Series: M-Series Miniature Pump (0.33 HP)
– Power: 0.33 HP (0.25 kW)
– Nominal Pressure Ratio: 7:1
– Actual Ratio: 7.8:1
– Max Air Inlet Pressure: 125 PSI (8.6 bar)
– Max Rated Continuous Output Pressure: 900 PSI (62 bar)
– Displacement per Cycle: 0.60 cu in (9.8 mL)
– Maximum Flow: 366 cu in/min (6.0 L/min)
– Stroke: 0.875 inch
– Air Head: Single
– ATEX Certification: Ex II 2 G
– Origin: Made in USA
– MFG Date: 12/2025

Compatible Fluids:
– Petroleum-based oils, kerosene, ethylene glycol, water with 5% soluble oil
– Plain or deionised water
– Solvents and mild chemicals
– Liquefied gases

Key Features:
– Safe, robust, reliable, compact and easy to maintain
– No electricity required — compressed air driven
– ATEX certified — safe for use in hazardous and explosive environments
– Automatically stalls at set pressure — no energy waste during hold
– Single air head design — compact and lightweight
– Wide range of compatible fluids
– Optional modifications available: dead man valve, speed control, palm/foot control
– Genuine Haskel International product — Made in USA

Applications:
– Marine vessel hydraulic systems
– Offshore platform liquid pumping
– Hydrostatic pressure testing aboard vessels
– Hydraulic bolt tensioning systems
– Fuel and oil transfer in hazardous areas
– Chemical injection and process systems
– Industrial pressure testing and intensification

V2 Technical LLC is a trusted marine spare parts and hydraulic equipment supplier based in Ajman, UAE with 20+ years of experience supplying vessels across the Middle East, West Africa and Mexico.