This web page shows the previous del-aire range. See our paper catalogue for details of the new EZ range
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This web page shows the previous del-aire range. See our paper catalogue for details of the new EZ range |
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The Del-Aire system is a unique way of controlling points and signals. It utilises air pressure to give superbly reliable operation under even the most adverse of conditions. The system is well proven on layouts from N scale through to G, both indoor and outdoor. A great advantage of the system is it's ease of operation and installation. For garden operation, it is truly weatherproof and safe, the cylinders being manufactured from brass and stainless steel. No electrics are needed! | |
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In it's simplest form, air is fed into the air switch which when operated, sends air
pressure to the spring loaded cylinder.
When the air switch is returned to it's original position, the air in the cylinder is exhausted at the switch. Signals and points can be interlocked by cascading the air supplies from each other. Speed of operation can be controlled using the Del-Aire flow control valves to either prototypically slow the point blades or to allow a slow raising of a signal with a fast descent. With this flexibility, the possible applications for the Del-Aire system seem endless.
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Air is required at nominally 2.8 bar (40 psi) and can be supplied from a compressor, can of
propellant, car spare wheel or even a garden sprayer.
If air is available at a higher
pressure, then the Del-Aire pressure reducing regulator should be used.
Many pipe fittings from joiners, T pieces, headers, and adapters to quick disconnects are included in the range. Building and extending the installation is therefore easy and enjoyable.
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Particularly for the smaller scales, the air cylinders may be mounted underneath the baseboard and special linkages or special cylinders are available. The system can also be configured to permit main panel or local panel control, allowing one man control or to have local manned `signal boxes'. | |
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The Del-Aire system is available as sets of parts, or as individual components for maximum flexibilty in designing and building for your layout. | |
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Product Range 1041 - 4049 KIT PACKAGES Sets of components for complete installations (excluding air supply). Can be readily extended by adding further components, the sets also give a saving on buying individual components. Available as 2, 4, 8 or 12 cylinder sets in three differing strokes for various scales. Cylinders are in brass finish. Appropriate fixing clips, screws and bellcranks are included. |
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006 SLEEVE TYPE COUPLER For coupling from compressors etc., 1/4'' NPT female inlet. 007 PLUG - MALE Style M, fits 006, 1/8'' NPT male outlet. 008 PLUG - 1/8” NPT male to tyre valve stem. 009 ADAPTER 1/4” NPT male to 1/4” I/dia hose incl clamp. 013 PRESSURE GAUGE 1 1/2'' diameter, 1/8'' NPT male connection. 014 PRESSURE REGULATOR WITH GAUGE Adjustable outlet pressure 0-60 psi (0-4 bar), 1/18'' NPT female inlet and outlets (2, plug included). 015 PANEL MOUNTING RING For securing 014 to panel up to 1/8” (3mm) thick 016 BRACKET AND RING For securing 014 when not panel mounted. 017 NUT 1/8” NPT 020 COUPLING Brass 1/8'' NPT female to 1/8'' NPT female. 021 REDUCING COUPLING Brass 1/4'' NPT female to 1/8'' NPT male. 022 PLUG Plastic, 1/8'' NPT male. 023 ADAPTER 1/4'' NPT female to 1/8” NPT female. 024 ADAPTER 1/4'' NPT male to 1/8'' NPT male. |
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025 ADAPTER 1/8'' NPT male to single 1/16'' barb.
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026 ADAPTER 1/8'' NPT male to 1/16'' barb tee. 027 ADAPTER 1/4'' NPT male to single 1/16'' barb. |
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028 ADAPTER 1/4'' NPT male to 1/16'' barb tee. |
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140 ADAPTER 10-32 thread to 1/16'' barb (as supplies on switches), pack of five.
142 ELBOW 10-32 TO 1/16” BARB. Pack of 10. |
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030 AIR SWITCH Metal body with plastic 1/16'' barb inlet and outlet, plastic operating toggle. Panel mounts in 12mm diameter hole.
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032 PANEL MOUNTING KIT FOR SLOW MOTION CONTROL VALVE Contains panel nut and barb connectors, required hole size 8mm. |
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033 AIR INDICATOR Shows red when air pressure applied, otherwise green, panel mounts in 12mm diameter hole, 1/16'' barb connection.
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032 PANEL MOUNTING KIT FOR SLOW MOTION CONTROL VALVE Contains panel nut and barb connectors, required hole size 8mm. |
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060 MAIN/REMOTE SELECTOR VALVE For diverting control to a local control centre. Metal body with plastic 1/16'' barb connections and plastic operating toggle. Panel mounts in 12mm diameter hole.
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062 SHUTTLE VALVE Used for automatically sealing off the isolated control when using main/remote control. Metal bodied with 1/16'' barb connections.
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065 PUSH BUTTON SWITCH Works as 030, passing air when pressed.
070 ELECTRICALLY OPERATED VALVE Works as 030. 14 - 24 volt DC. 071 ELECTRICALLY OPERATED VALVE Works as 030. 9 - 13 volt DC. 072 ELECTRICALLY OPERATED VALVE Works as 030. 4 - 8 volt DC. |
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035 MANIFOLD 4 STATION Plastic manifold with 6 off 1/16'' metal barb connections, complete with fixing clip and screws.
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037 BARB CAP Blank connector for sealing unused 1/16'' barb connections, packet of 5. 
039 BARBED TEE Tee piece with 3 off 1/16'' barb connections, pack of 5. 
040 - 049 AIR CYLINDER Each cylinder is supplied with fixing clip and screws, together with a simple bell crank. Recommended operating pressure 40 psi (2.7 bar) which gives 2 1/2lb thrust. Internal spring gives return thrust of 2 1/2 to 3lb. Brass body - diameter 7/16'' (11mm) x 1 1/4'' (23.5mm) long excluding connector. Stainless steel operating wire 0.6mm diameter protruding 28mm when retracted. Available in 3 different strokes for differing scales and in plain brass finish or alternatively, blackened. 040 N, 009 Black 041 N, 009 Brass 044 H0, 00 Black 045 H0, 00 Brass 048 0, 16mm G Black 049 0, 16mm G Brass 043UT & 049UT AIR CYLINDER Specialised version with a stiffer operating wire pre-bent at a right angle to permit under baseboard operation without linkages. This wire is not weatherproof. 049ND AIR CYLINDER Specialised as 049UT but with a more springy wire. 050 - 055 TUBING 1/16'' inside diameter, 1/8'' outside diameter, clear flexible plastic tubing, rated up to 68 psi (4.6 bar). Available in packs from 50' (15 metres) to 500' (150 metres). 056 CONNECTOR 1/16'' barb to 1/16'' barb, used for connecting tubing. Pack of 5 057 PLUG AND SOCKET Easy disconnect for baseboard joins, disconnecting air supplies etc. Both plug and socket have 1/16'' barb connections. Plastic packed 1 each plug and socket. 058 PLUGS FOR 057 Use to blank off disconnected plugs and sockets, plastic packed 1 each for plug and socket. 059 TUBING CLAMPS Sleeves which push over the plastic tubing at barb connections - only needed in hot or arduous conditions. Packet of 10. |
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095 - 097 UNDERBOARD LINKAGE Allows air cylinder to be mounted beneath the baseboard, can mount either above the sleepers or be recessed into the baseboard, beneath the sleepers, alternatively it can mount alongside to directly drive the point tie bar. Below board crank can be mounted at any angle to suit the cylinder installation. Available in 3 lengths for varying baseboard thickness. All metal construction.
098 DRILLING JIG Used to locate the shaft hole for the 095, 096 or 097 linkages. |
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120 `O' RINGS Spare `O' rings for cylinders, packet of 10. 121 10-32 RUBBER GASKETS Pack of 10 125 BELL CRANK Brass, packet of 5. 126 BELL CRANK Blackened brass, packet of 5. 127 BELL CRANK SCREWS Brass, packet of 5. 128 BELL CRANK SCREWS Blackened brass, packet of 5. 129 BELL CRANK WASHERS Packet of 10. 135 MOUNTING CLIP Brass, as supplied with manifolds and cylinders, packet of 5. 136 MOUNTING CLIP Blackened brass, as supplied with cylinders, packet of 5. 137 MOUNTING CLIP SCREWS Packet of 10. 
To enable the Del-Aire switches to be prototypically mounted in a signal box type environment, Brandbright produce cast brass signal box levers which clamp directly to the Del-Aire switch SBL1 Signal Box Lever, with clamping screws |
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