Data Sheet for Product

3
Smart Infrastructure
A6V12282559_en--_b
Building Products
2022-02-09
Drilling
The orifice of a SDNX nozzle is drilled on request according to the calculation made using
the VdS hydraulic calculation software.
SDNX-R
SDNX-W
Product code
S54476-B280-C3
S54476-B280-C6
Orifice diameter
3.0 – 20.0 mm
3.0 – 14.8 mm
* Fill in the SAP field “Manufacturing instruction” to specify the desired orifice diameter in the
T-piece. The orifice diameter should be ordered as a multiple of 0.1 mm (e.g. Ø 12.4 mm).
The distribution holes are positioned as follows:
● SDNX-R nozzle: 8 rows of 25 holes (1.3 / 1.5 / 1.8 mm) distributed on both sides of the
diffuser.
● SDNX-W nozzle: 4 rows of 25 holes (1.3 / 1.5 / 1.8 mm) on one side of the diffuser only.
SDNX-R
SDNX-W
Notes
Safety
This product may only be installed by Siemens-authorized specialized installers, with
experience in the design, installation and maintenance of automatic extinguishing systems.
During installation, it must be ensured that:
● this product is installed in compliance with the accident prevention regulations and
national regulations in force,
● this product is used as intended,
● any danger is avoided,
● Siemens requirements are met (assembly instructions, technical instructions,
commissioning, and operating instructions),
● the operators have received and understood the information related to this product.
At commissioning, ensure compliance with the legislation in force, technical regulations and
safety instructions.
Failure to comply with Siemens' instructions may result in serious bodily injury or significant
property damage, for which Siemens cannot be held liable.
Siemens reserves the right to make technical modifications and/or improvements at any
time.