Mobile Foam Units & Trailers
Dual agent foam tote trailer
The Dual Agent Suppression and Extinguishment Trailer delivers a mobile response solution combining firefighting foam and dry chemical agent. This self-contained unit includes foam concentrate tote storage, a 500‑lb dry chemical system, a foam proportioner, and a Gladiator® nozzle.
WDP-30 wheeled diaphragm proportioner
The WDP-30 is a fully assembled mobile foam unit featuring:
- 30-gallon horizontal bladder tank
- 2” ratio controller
- JS-10 foam nozzle with ball valve shutoff
- 50 ft of 1¾” hose
It is well suited for refineries, docks, warehouses, aircraft hangars, offshore platforms, and loading racks.
Designed for one-person operation, National Foam NF120 and NF140 units offer rapid foam deployment for fires and chemical spills.
- NF120: 32-gallon fiberglass foam tank, line proportioner, hose, and nozzle
- NF140: 37-gallon polyurethane-coated steel tank, monitor, self-educting nozzle, and water supply hose
Foam tote trailers
Foam Tote Trailers provide mobile foam concentrate storage and deployment using a high-performance Gladiator® nozzle. Available in single or dual tote configurations, these trailers can be customized to meet site-specific response requirements.
Mobile proportioners
Handline and Semi-Fixed Proportioners
National Foam Handline Proportioners are portable venturi devices designed to introduce foam concentrate at 1%, 3%, or 6%. Available in multiple flow sizes, these proportioners operate at 200 psi inlet pressure with a maximum allowable backpressure of 65%, making them ideal for flexible, on-demand foam application.