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6625.15.022

  1. Sasserath
  3. Heating water management
  5. System separators
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Company/ Manufacturer
Hans Sasserath GmbH & Co. KG
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Article number
6625.15.022
GTIN
4017905266994
Article description
SYR system separator STBA 220
Level of Detail
300
200
Nominal size
DN 15
Installation position H1
211.2 mm
Total length H2
221.9 mm
Connection thread A1
G 3/4"
Connection thread A2
G 3/4"
Wrench size B1
SW 30 mm
Axle distance B2
25 mm
Angle Outlet W1
40 °
Total width L1
80.6 mm
Diameter of the drain funnel D1
40 mm
Flow rate at Δp 1.5 bar
1.8 m³/h
Operating pressure min./max.
2 - 10 bar
Operating temperature max. input
30 °C
Operating temperature max. output
65 °C
Medium
Drinking water
Installation position
Vertical, drain funnel downwards
Standards/Approvals
DIN EN 1717
Info
 Data sheet
Long text
The SYR system separator STBA 220 is a compact safety fitting in accordance with DIN EN 1717, Group B, with controlled separation (three-chamber system). It corresponds to the installation type BA defined there and can therefore be used for protection up to and including liquid category 4. Its task is to prevent non-potable water from being sucked back or flowing back into the public drinking water network. The SYR system separator STBA 220 is prepared for connection to a tap valve and covers a wide range of applications (e.g. chemical cleaning equipment, printing works, chemical and food companies, laboratory and medical technology) as well as the filling of heating systems. The SYR system separator STBA 220 contains all the components specified in DIN EN 1717 and is designed as a 3-chamber system with controllable upstream, medium and downstream pressure zones. It is also equipped with an integrated dirt trap. Each pressure zone is provided with connections for ball valves, allowing the safety devices to be checked by measuring the pressure. The SYR system separator STBA 220 consists of 2 non-return valves (RV) connected in series, which are equipped with a ventilated central zone. If no water is drawn off, the inlet and outlet side RV and the drain valve are closed. If there is back suction, the pressure on the inlet side drops. The drain valve opens at the latest when the differential pressure between the upstream and medium pressure chamber has dropped to 0.14 bar.
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