Overview

The STM Air-Operated Diaphragm Pump 25mm (1") – DPA25090 is a high-performance, self-priming pump designed for the safe and efficient transfer of non-flammable liquids. With a powerful 90 LPM flow rate, durable NBR seals, and excellent pressure capability, this pump delivers dependable performance for industrial, agricultural, automotive, and chemical-handling applications.

Key Features

✔ High 90 LPM Flow Rate
Fast, reliable pumping performance suitable for medium to large transfer tasks.

✔ Self-Priming Capability
Ensures quick startup and smooth operation—even with challenging fluids.

✔ 116 PSI Max Pressure
Built to handle demanding work environments with consistent output pressure.

✔ 1" Inlet & Outlet Connections
Ideal for high-volume fluid handling and compatible with standard industrial setups.

✔ 1/4" NPT Air Inlet
Supports stable, efficient air supply for continuous pumping.

✔ High-Quality NBR Seals
Engineered for durability and superior chemical resistance, ensuring long life and reduced maintenance.

✔ Versatile Liquid Compatibility
Designed for transferring non-flammable liquids, including:

• Bio-diesel

• Windscreen fluids

• Various chemicals

• Light industrial liquids

Ideal For

• Chemical transfer

• Bio-diesel distribution

• Agricultural fluid handling

• Automotive service bays

• Industrial and workshop operations