Optimal ventilation solutions for demanding applications

Vent valve HN Lü-OR from heinrichs drehteile

Venting is crucial for the efficiency and longevity of technical systems. Our vent valve HN Lü-OR sets new standards in venting electric gear motors, mobile hydraulics, and other industrial applications. With a specially designed construction, it enables safe and reliable venting while also providing flexibility through multiple loosening and screwing without compromising functionality. The labyrinth reduces the entry of moisture and dirt.

A particular advantage of the HN Lü-OR is its adaptability. It is suitable for counterbores according to DIN 3852-2 and EN ISO 9974-1 and can be installed both vertically upwards and horizontally above the oil level. The HN Lü-OR is made of high-quality materials such as brass and stainless steel and offers additional material options upon request.

Trust in the proven quality of heinrichs drehteile. Our HN Lü-OR offers precise, durable, and environmentally friendly solutions. Perfect technology for maximum efficiency and reliability in your applications.

Product information:
Vent valve HN Lü-OR

Application area:

  • Electric gear motors with mineral oil filling
  • For counterbores according to DIN 3852-2 and EN ISO 9974-1
  • Multiple loosening and screwing possible

 

Installation position:

  • Vertical upwards or horizontally above the oil level

 

Note:

  • Consultation is required when using polyethylene glycol

     

Opening pressure:

  • 0.015 MPa (0.15 bar) to 0.03 MPa (0.3 bar)

     

Material:

  • Brass (CuZn38Pb2 / CuZn39Pb3)
  • Nirosta (1.4305)
  • Other materials available on request

 

Temperature:

  • -20°C to +100°C
  • Other temperature ranges possible after technical consultation

 

Coating:

  • Standard = without coating

Detailed product information can be found in the data sheet:


Product information:
Vent valve with transport safety HN Lü-OR TD

Application area:

  • Electric gear motors with mineral oil filling
  • For counterbores according to DIN 3852-2 and EN ISO 9974-1
  • Multiple loosening and screwing possible

 

Installation position:

  • Vertically upwards or horizontally above the oil level

 

Note:

  • Consultation is required when using polyethylene glycol

 

Opening pressure:

  • - 0.015 MPa (0.15 bar) to 0.03 MPa (0.3 bar)

 

Material:

  • Brass (CuZn38Pb2 / CuZn39Pb3)
  • Nirosta (1.4305)
  • Other materials on request

 

Transport securing:

  • Prevents oil leakage during transport

 

Temperature range:

  • -20°C to +100°C
  • Other temperature ranges upon technical consultation

     

Coating:

  • Standard = without coating

Detailed product information can be found in the data sheet:


Product information:
Additional protective cap HN Lü-SK

Area of application:

  • Protection against dust and foreign substances

 

Temperature range:

  • -20°C to +80°C
  • Other temperature ranges upon technical consultation

Detailed product information can be found in the data sheet:

Excellent quality: Products from heinrichs drehteile are TÜV Rheinland certified!

At heinrichs drehteile, the highest standards and quality are the focus. Our products are TÜV Rheinland certified and comply with the international standards ISO 9001:2015, IATF 16949:2016, and ISO 14001:2015. 

These certifications guarantee excellent quality management, sustainable environmental practices, and reliability in production - for precision turned parts that exceed your requirements.

 

Our certificates


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We are happy to advise you personally and plan your individual project with the appropriate turning part.

 

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