Supply Water leakage Protection System BC

Principle

Supply Water Leakage Protection System BC performs continuous flow measurements using the attached flow meter with high-speed pulser.

Two monitoring functions are used together with the fetched flow values for protecting the installation from leakage, as the BC closes the cut-off valve when a leak is detected by either monitor.

Errors with the attached components are propagated as System Error Alarms.


 

System Diagram BC
1: Control Unit   2: Flow Meter   3: Cutoff Valve

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System Capacity and head loss Dimensions
Nom. Cap.
Qn (m³/h)
 ΣΔp@Qn Equivalent
Kvs (m³/h)
(mvs) (kPa) Flow Meter Valve
BC-2.5-V0 2.5 2.5 25 5 ¾" x 220/315 mm
BC-2.5-V1 2.5 2.5 25 5 ¾" x 220/315 mm ¾" x 75 mm
BC-3.5-V0 3.5 2.5 25 7 1" x 260/375 mm
BC-3.5-V1 3.5 2.5 25 7 1" x 260/375 mm 1" x 90 mm
BC-6-V0 6 2.5 25 12 1¼" x 260/375 mm
BC-6-V1 6 2.5 25 12 1¼" x 260/375 mm 1¼" x 95 mm
BC-10-V0 10 2.5 25 20 1½" x 300/440 mm
BC-10-V1 10 2.5 25 20 1½" x 300/440 mm 1½" x 100 mm
BC-15-V0 15 2.5 25 30 2" x 300/460 mm
BC-15-V1 15 2.5 25 30 2" x 300/460 mm 2" x 120 mm
BC-20-V0 20 2.1 21 55 DN50 x 270 mm
BC-20-V1 20 2.5 25 50 DN50 x 270 mm DN50 x 43 mm
BC-40-V0 40 2.0 20 90 DN65 x 300 mm
BC-40-V1 40 2.3 23 84 DN65 x 300 mm DN65 x 46 mm
BC-55-V0 55 2.5 25 120 DN80 x 300 mm
BC-55-V1 55 2.7 27 115 DN80 x 300 mm DN80 x 46 mm
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Variants

Variant -V0 is used where cut-off on alarm is not permitted.

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Download System BC data sheet in pdf format

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