Oil level regulators

Automatic maintenance of optimal oil level

The LAHD 500 and LAHD 1000 oil level regulators are designed to automatically compensate for oil losses due to evaporation and leakage during operation. They maintain optimal oil levels when using oil bath lubrication in bearing housings, gearbox housings, engine crankcases, and other similar systems. LAHD oil level regulators improve equipment performance and extend its service life. They also enhance the ability to accurately visually monitor oil levels.

Technical characteristics and advantages

  • Maintaining optimal oil levels
  • Increasing the verification intervals
  • Possibility of visual control of oil level
  • Compensation for evaporation losses

Application areas

  • Housings that use oil lubrication
  • Gearboxes
  • Carters
Category:

Description

Operating principle
The SKF oil level regulator consists of two interconnected oil reservoirs. The lower reservoir is mounted directly on the lubricated mechanism and maintains the same oil level as the component being lubricated. It communicates with the surrounding air through a vent.

The upper reservoir is isolated from air and contains a reserve of oil. The two reservoirs are connected to each other via a connecting tube that extends from the upper reservoir and immerses in the oil in the lower reservoir. However, oil can only flow from the upper reservoir to the lower reservoir, maintaining a predetermined level in the lower reservoir by introducing air into the upper reservoir through the connecting tube.

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Technical specifications
Designation LAHD 500 / LAHD 1000
Connection dimensions — LAHD 500 diameter 91 mm, height 290 mm (3.6 x 11.4 inches)
— LAHD 1000 diameter 122 mm, height 290 mm (4.8 x 11.4 inches)
Tank volume — LAHD 500 500 ml (17 US fl oz)
— LAHD 1000 1000 ml (34 US fl oz)
Tank material Polycarbonate
Operating temperature range from −20 to 70 °C (from −4 to 158 °F)
Permissible humidity from 0 to 100 %
Length of pipeline 600 mm (23.5 in)
Connecting thread G 1/2
Pipeline material Polyurethane
O-ring material butadiene acrylonitrile rubber, hardness 70 Shore
Gaskets Butadiene acrylonitrile rubber, hardness 80 Shore, 6 pcs.
Other materials Aluminum, bronze, stainless steel
Suitable types of oil Mineral and synthetic oils