• Cast iron duty • Sleek and strong construction • Dual valves adjusting with closing speed& latching speed • Maximum opening 180deg & hold upon angle of 90deg • Applicable for all kinds of wooden doors, metal doors, glass doors • Pressure relief valve system to premore...
Easy to install. Has built in spring, which acts as a catch to keep shutters closed. Has 180º opening. Very economical option. No cavity required. Available in powder coated and nickel plated. more...