The material is 30% glass fibre-reinforced PA 6. The spring is in Bezinal steel. Other components are of POM (polyoxymethylene). Spring force is adjusted with a T27 Torx key.
Opening spring force on delivery:
M(0°): 0.75 Nm / M(90°): 0.5 Nm / M(180°): 0.25 Nm. Recommended maximum torque for opening spring: 1.1 Nm at 60°.
Closing spring force on delivery:
M(0°): 0 Nm / M(90°): 0.25 Nm / M(180°): 0.5 Nm. Recommended maximum torque for closing : 1.1 Nm at 120°.
UK distributors are Albert Jagger of Walsall, F.A. Parkes of Leigh (Lancashire) and MC Components of Nottingham.