GN 437.3


  • Type L2: Spring-loaded return, closing, medium spring force
  • Type R2: Spring-loaded return, opening, medium spring force

Zinc die casting ZD

plastic coated

black, RAL 9005, textured finish SW

silver, RAL 9006, textured finish SR

Spring guide / Cover cap

Plastic (Polyacetal POM)

temperature resistant up to 80 °C

Torsion spring

Spring steel

GN 437.3 Hinges with a spring-loaded return allow doors to be automatically opened and closed by means of the torsion spring.

The return torque varies with the hinge opening angle. Endurance tests have shown that the torque does not change even after 100,000 opening / closing cycles.

The following table shows the relationship between the opening angle and return torque.

Return torque MR ± 10% in Nm

  • Plastic characteristics 

  • Stainless Steel-Spacer plates GN 2370
  • Stainless Steel-Plates with tapped holes GN 2372


Feeling overwhelmed with what product to choose?

Don’t delay, give OIC a call and talk to us about your industrial application. Our aim is to help your business choose the right Elesa+Ganter element for the function you need. Whether you need to clamp, close, connect, control, level, manoeuvre, measure or set. OIC has an Elesa+Ganter machine element to fit your need.

We want to find out about your industrial application need and where we can help. Our contact details are below.