Solarbayer stratification buffer tank SLS-2500-2S, patented SLS-System


5.189,99 */pc
incl. VAT 19% for shipping to Germany
plus shipping costs

Scaled prices:
Quantity Price per pc
From 2: -5 % 4.930,49 €

Item number: 105225201
EAN (GTIN): 4067699800447
Item condition: new   
Product weight: approx.  413 kg

In stock, available.

Item accessories

Short description

Stratification buffer tank SLS-2S 2500
with patented thermohydraulic
stratification control system (SLS). The
SLS system in the flow and return line
enable ideal heat stratification during
loading and unloading with immediate
heat availability. For higher efficiency
with different heat sources and consumers.
Two large heat exchangers for zone
loading for improved efficiency of the
solar thermal system. Additional
connections in the centre area with
baffle plates for more flexibility.
Numerous connections for sensors,
thermometers and an immersion heater.
Fire protection fleece insulation ISO-B1
made from recycled fibres (Oeko-Tex®
Standard 100) incl. floor insulation for
low heat loss. Robust PVC jacket with
stainless steel quick-lock system for
easy installation.

Technical data:
nominal volume: 2427 litres
material: steel S235JR
corrosion protection outside: priming
height with insulation: 2320 mm
height without insulation: 2245 mm
tilted height: 2450 mm
diameter without insulation: 1250 mm
diameter with insulation: 1450 mm
weight: 413 kg
max. operating pressure: 6 bar
max. operating temperature: 95 °C

Heat exchangers (heating / solar):
surface top: 2.4 m²
surface bottom: 5.0 m²
capacity top: 14.7 litres
capacity bottom: 30,6 litres
max. operating pressure: 10 bar
max. operating temperature: 110 °C

heating: 4x DN50 (2")
heating: 4x DN40 (1 1/2")
immersion heater*: 1x DN40 (1 1/2")
*max. installation length: 1300 mm
air vent: 1x DN40 (1 1/2")
sensor (top): 1x DN15 (1/2")
sensors: 4x DN15 (1/2")
heat exchanger: 4x DN25 (1")
connections aligned in 90 degrees

Thermal insulation:
material: fibre mat
lambda λ: 0.0368 W/(mK)
thickness uncompressed: 100 mm +/- 10%
protective sheath: PVC foil silver
fire protection class according to
DIN 4102 for the complete insulation: B1
Standby energy consumption according to
DIN EN 12897:2020-05: 4.76 kWh/24h
standing heat loss: 198 W

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