Deskripsi
Optic Flexible (L: 255 mm)
DURAG D‑LL703 Optic Flexible (L: 255 mm) is a fibre optic system accessory for DURAG flame sensors (e.g., D‑LE 703, D‑LE 701). It is a flexible optical cable with lens, designed to transmit flame radiation from the combustion chamber to the flame sensor, especially in high‑temperature or difficult installation environments.
Type / Model / Part Number:
- Type: Fibre Optic System (Flexible)
- Model: D‑LL703
- Part Number: D‑LL703 Optic Flexible L: 255 mm
- Series: D‑LL 7xx Fibre Optic Systems
- Brand: DURAG
- Manufacturer: DURAG Group GmbH
Product Overview:
The D‑LL703 is a flexible fibre optic system that connects DURAG flame sensors to the combustion chamber. It allows the sensor to be mounted outside hot or inaccessible areas while still receiving flame radiation. The 255 mm length version is a compact optic suitable for installations with limited space.
Specifications:
| Feature | Specification |
|---|---|
| Type | Flexible fibre optic with lens |
| Length | 255 mm |
| Material | Quartz glass fibre bundle, stainless steel flexible sheath |
| Temperature Resistance | Up to 350 °C (at burner tip) |
| Connection | Compatible with DURAG D‑LE 701 / D‑LE 703 flame sensors |
| Protection | Multiple protective layers against heat and vibration |
| Function | Transmits UV/IR flame radiation to sensor head |
Dimensions & Weight:
- Length: 255 mm
- Diameter: ~20–25 mm (sheath)
- Weight: ~0.5 – 0.8 kg
Applications:
- Power plant boilers
- Waste incinerators
- Cement and steel kilns
- Petrochemical furnaces
- Marine combustion systems
- Any high‑temperature or vibration‑intense environment
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