FS / ONS 75 HG
HIGH GRADE FLOOR SPRING
FEATURE :
– High gride quality performance
– According to DIN Standard
– Hold open at 90 degrees (either direction)
– Maximum opening angle 116 degrees
– Door weight up to 110kg
– Suitable for doors up to 1100mm wide
– Two controlled closing speed ranges
– Adopting double spring design, opening lightly
and closing smoothly, prolonging service life
– Inside pressure reducing value : using to prevent
the destruction of the floor spring or oil leakage
on ocassions the the doors is closed by strong
pressure or winde force
– Use low temperature frostbite hydraulic oil,
ensuring the normal door-closing speed when
the temperature is forty degree below zero degree
5mm in width and 10mm in length, which is
convient for assembling
– Cover plate : Stainless steel