Cold water high-pressure cleaners:

Offering outstanding pump quality!

The core of every high-pressure cleaner is its high-pressure pump. Only forged special brass is used for the pump heads to guarantee excellent quality and durability.

All pumps are made on CNC machining centres with electronic control systems to ensure maximum precision and compliance to specifications. This technology package is complemented by a number of details which, in total, make the difference in performance, safety and durability.

 

Pump head:

The pump head is manufactured of forged special brass by Kränzle in its Illertissen facility which guarantees an extremely long service life.

 

Slow running motors:

Except for a few models, the machines are equipped with slow running, quiet and durable four-pole slow running electric motors (1,400 rpm). Lower speeds mean reducing starting current, noise emission and wear.


Stainless steel plungers with ceramic coating:

All high-pressure cleaners are equipped with ceramic coated stainless steel plungers. The combination of the good thermal conductivity of stainless steel with the high wear resistance of the ceramic coating serves to significantly increase the service life.

 

Dry-run safety:

All pumps are equipped with a fabric sleeve and a Teflon graphite backing ring on each plunger. The excellent lubricating properties of Teflon graphite serve to reduce both the friction and temperature inside the pump. For this reason, Kränzle pumps can be run without water for a certain period without suffering any damage.


Bypass operation:

All high-pressure cleaners are designed to switch to pressure reduced bypass operation when the trigger gun with safety catch is closed. The water is thus circulated at a residual pressure of approx. 10 bar. Pump and motor are discharged leading not only to a significant prolongation of the service life but to energy savings as well. Machines with the additional qualification TS completely switch off at this point.

 

Adjustable pressure and quantity control:

For all machines the operating pressure and the amount of water being sprayed can be exactly adjusted to suit the cleaning task.


Stainless steel manometer:

All high-pressure cleaners are equipped with All machines are equipped with large, clearly visible, glycerine dampened stainless steel gauges.

 

Corrosion protection:

All parts of the pump and safety devices that come into contact with water are made of stainless steel or special brass. Machine failure due to corrosion is impossible, and this is what makes the operating safety of all Kränzle high-pressure cleaners so unique.


Leakage return system:

A water cushion between the high-pressure seals on the plungers prevents any sucked in air from reaching the pump chamber. This considerably increases the service life of the plungers and pump.

 

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