Zero Seal Systems

Door co-ordinators will enable a pair of self closing doors (i.e. fitted with door closers) with rebated meeting stiles (timber doors) or security astragal (steel doors) to close in the correct sequence automatically, no matter which door leaf is opened first. This is particularly important for pairs of fire/smoke rated doors and pairs of self-latching security doors.

Many other door selectors do not stand the test of time, but the Z304 which is British made has been fully tested to 1,000,000 cycles and has a 10 year guarantee. It has been fully tested in accordance with BS EN 1158: 1997. Its classification in accordance with Clause 4 is 3 5 5/3 1 1 0. (Certificate No. TC/02/11/01/C1). It is easy to fit with full fitting instructions and fixings provided.

The standard adjuster arm is 102mm long, but is also available 152mm and 203mm long for thicker or wider doors, and steel doors with astragals both internally and externally. The function of the arm is to drop down under gravity when the doors are opened and “scotch” the second closing leaf until the first closing leaf has closed in to the frame.

Suitable for timber doors of any width up to 1219mm and all standard thicknesses and rebate sizes. Also suitable for wider steel doors. For applications under difficult or unusual conditions please provide a drawing of your meeting stile and astragal detail, also door thickness and typical width, so we can confirm suitability. Standard stock finishes satin anodised aluminium (SAA) and simulated plated satin stainless steel (SSS). Other finishes including gold anodised (GA), polished anodised aluminium (PAA), mirror chrome plated (MCP) and polished brass plated (PB), available to order.

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Z303 : Selector with tubular rebate catch to suit timber doors (not fire rated)
Z304.1/102 : Selector with surface rebate catch and 102mm arm (fire rated)
Z304.2/102 : Selector with extended rebate catch and 102mm arm (fire rated)
Z304.1/152 : Selector with surface rebate catch and 152mm arm (fire rated)
Z304.2/152 : Selector with extended rebate catch and 152mm arm (fire rated)
Z304.1/203 : Selector with surface rebate catch and 203mm arm (fire rated)
Z304.2/203 : Selector with extended rebate catch and 203mm arm (fire rated)
Z304.6 : Adjuster arm only, 152mm long
Z304.8 : Adjuster arm only, 203mm long

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