Dry Powder Extinguisher · Portable Fire Extinguishers
This product falls under the category of wheeled fire extinguishers, specifically designed for quick and efficient fire suppression. The Wilhelmsen Unitor model U5C is a robust solution for handling fires, featuring a 9 kg CO2 cylinder that can discharge its contents in just 16 seconds, covering a distance of up to 4 meters. The cylinder and trolley are both made of steel, ensuring durability, while the valve is crafted from brass to provide reliable operation. The unit is coated in a red RAL 3000 finish, both internally and externally, with an additional shot blasting process for enhanced protection. It meets stringent design standards, including EN 1866-1 and MED, and is approved by BV and PED. The wheeled model has a diameter of 300mm, making it easy to maneuver. The empty weight of the unit is 40 kg, increasing to 49 kg when full. It is designed for use in temperatures ranging from -30°C to +60°C, and it operates under a working pressure of 169.3 bar.
Every value below comes from the manufacturer datasheet or class-society record on file for this model.
Photos, drawings and page previews from this model’s datasheet or catalog.
“The right to make engineering refinements on all products is reserved. Dimensions and details are subjects to change without prior notice. When dimensions are critical, the dimensions should be…”
| Visual inspection and weight check | annually, per SOLAS/flag/class requirement |
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| Full service (valve overhaul) and hydrostatic test | typically every 5-10 years depending on flag administration and manufacturer's schedule - confirm against SOLAS Ch. II-2, the flag state, and Wilhelmsen's service schedule for this model |
Typical intervals for this design class, not the manufacturer’s figures for your model. The manufacturer’s manual is binding.
| Cylinder weight loss | commonly used trigger for service/recharge is roughly 10% below the nameplate charged weight - confirm the exact tolerance against the data plate and Wilhelmsen's service instructions |
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Ranges are typical for this design class. Always confirm against the manufacturer documentation for your serial number.
Portable fire extinguishers are checked against the fire control plan for correct type, rating and count, current service tags, accessibility, and mounting at each annual and renewal survey under SOLAS fire safety systems requirements.
Estimated lifetime: Not running-hour equipment; cylinders are typically condemned or renewed after multiple hydrostatic test cycles, commonly in the region of 20-25 years of service life, subject to passing each periodic test.
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