E700-LB
ASD Long Bend is a long-radius 90° bend used in aspirated smoke detection (ASD) systems. It connects two 25 mm pipe sections at a right angle, but with a much smoother and wider curve than a standard elbow. This makes airflow through the bend more stable and less restricted.
Advanced Technology Products are proud to only supply the highest quality products for your Aspirated Smoke Detector Sampling Network requirements.
For optimum performance, an aspirating smoke detection system needs a well designed and installed quality pipework system.
ATP’s ASD Pipe and Fittings range fulfils this requirement by creating lightweight and versatile products that have been specially developed to provide fully matched components for the optimal performance of your whole Aspirated Smoke Detection System.
Function: Allows a smooth 90° directional change in 25 mm ASD pipework
Pipe Compatibility: 25 mm outside diameter rigid PVC ASD pipe
Material: Fire-rated uPVC
Colour: Light grey
Bend Type: Long-radius 90° bend
Inner Radius: Approx. 150 mm
Overall Length: Approx. 192 mm
Connection Method: Solvent-weld (recommended with E700-GLUE or equivalent PVC cement)
Weight: Approx. 65 g
Operating Temperature Range: 0 °C to 60 °C
Packaging: Supplied individually
Compliance: Suitable for plenum-rated ASD systems
The E700‑LB is a long-radius 90-degree bend designed for use in aspirated smoke detection (ASD) systems. It connects two 25 mm rigid pipe sections at a right angle but does so with a broader curve than standard elbows. This reduces resistance in the airflow, helping to maintain stable vacuum pressure throughout the network.
It’s ideal for systems where sharp turns could cause pressure drops, especially in longer runs or complex layouts. The larger internal curve allows air to flow more smoothly around the bend, supporting accurate and consistent smoke sampling across all connected zones.
The E700‑LB is made from fire-rated PVC and is installed using standard solvent-welding techniques. It is often used in ceiling voids, risers, and control rooms where performance and layout flexibility are critical.
For more information contact the ATP sales team.
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