the suitable for maximum wide door leaf 1000MM, maximum bearing weight 100kgs,opening angle 90degree
# Adopting double-spring design, opening lightly and smoothly,prolonging service life.
# Inside pressure reducing valve to prevent the destrution on occasion that the door closed by strong pressure or wind force
# General design, suitable for left and right hand to open the door in single and both sides.
# Use low temperature frostbite hydraulic oil,ensuring the normal door-closing speed when the temperature is forty degree below zero
# Cement container, height,width and length can be adjustable which is convenient for assembling
304# stainless steel cover plate
Suitable for maximum wide door leaf
The maximum bearing weight
The door closing speed is controlled by the adjusting valve
Length:29cm Width:12.4cm Height:5cm
The products have passed national QB/T3884-99 standard