Is the Undercarriage washing lance, inlet GZ 1/4" BSP, galvanized steel compatible with pressure washers up to 280 bar and does its 1/4" NPT internal outlet thread fit standard nozzles?

Yes. The Undercarriage washing lance, inlet GZ 1/4" BSP, galvanized steel is rated for a working pressure up to 280 bar, so it is compatible with pressure washers that operate at or below that pressure. Its outlet is finished with a 1/4" NPT internal thread, which accepts standard 1/4" NPT male-threaded nozzles and accessories. Ensure your pressure washerâs inlet connection matches GZ 1/4" BSP (female) or use an appropriate adapter to connect the lance inlet to your machine.

Can the Undercarriage washing lance, inlet GZ 1/4" BSP, galvanized steel be used for washing hard-to-reach areas like wheel wells and seams?

Yes. The Undercarriage washing lance, inlet GZ 1/4" BSP, galvanized steel is designed for chassis and other hard-to-reach areas-its extended length and bent tip make it well suited for wheel wells, seams and underside crevices. It fits systems with a GZ 1/4" BSP inlet and has a 1/4" NPT internal outlet thread. Constructed of galvanized carbon steel and rated for working pressures up to 280 bar, it offers the strength and pressure capacity needed for effective cleaning of those difficult spots.

Can the Undercarriage washing lance, inlet GZ 1/4" BSP, galvanized steel withstand chemical detergents used in vehicle cleaning?

Yes. the Undercarriage washing lance, inlet GZ 1/4" BSP, galvanized steel is generally suitable for use with common vehicle-cleaning detergents, but with important caveats. Why itâs compatible: - Material: carbon steel with a galvanized (zinc) coating offers good general corrosion resistance and protects the lance from water exposure and mild alkaline or neutral detergents commonly used in automotive cleaning. - Pressure rating: rated up to 280 bar, so it handles the mechanical stresses of highâpressure washing combined with detergent application. Limitations and precautions: - Strong acids, strong alkalis, chlorinated solvents, and highly aggressive chemical agents can attack galvanized coatings and underlying carbon steel, causing pitting, coating loss, and accelerated corrosion. Avoid concentrated acids (e.g., hydrochloric), strong caustics at high concentration/temperature, and chlorineâbased bleaches unless the detergent manufacturer explicitly states compatibility with galvanized steel. - Prolonged contact with aggressive detergents or standing chemical residues inside the lance can shorten service life. Rinse thoroughly with clean water after detergent use. - Check compatibility with fittings/seals: the inlet GZ 1/4" BSP and outlet 1/4" NPT internal thread components and any internal Oârings or seals may have different chemical resistancesâverify material specifications (e.g., nitrile, EPDM, Viton) for detergent compatibility. - Regular inspection: monitor for coating degradation, pitting, leaks, or thread damage and replace the lance if corrosion or mechanical wear appears. Recommendation: Use the Undercarriage washing lance, inlet GZ 1/4" BSP, galvanized steel with standard automotive detergents (neutral or mildly alkaline) and always follow detergent manufacturer compatibility guidance. After use, flush with fresh water and inspect seals and the galvanized surface regularly. For frequent use with aggressive chemicals, consider stainless steel lances or confirm chemical compatibility with the supplier.

Undercarriage washing lance, inlet GZ 1/4″ BSP, galvanized steel

All products, Guns for high-pressure washers/

Additional information

Chassis washing lance. Due to its length and bent tip, it is ideal for washing chassis as well as other hard-to-reach areas. The outlet part of the lance is finished with a 1/4″ NPT internal thread. Working pressure: up to 280 bar. Material: carbon steel, galvanized.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Price	Quantity	Actions	Catalogue
MH-140068	Chassis lance, inlet GZ 1/4	-	280	In stock	0 zł		Enquiry

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Chassis washing lance. Due to its length and bent tip, it is ideal for washing chassis as well as other hard-to-reach areas. The outlet part of the lance is finished with a 1/4″ NPT internal thread. Working pressure: up to 280 bar. Material: carbon steel, galvanized.