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BS ISO 12176-2:2008+A1:2021

BS ISO 12176-2:2008+A1:2021

$142.49

Plastics pipes and fittings. Equipment for fusion jointing polyethylene systems – Electrofusion

Published By Publication Date Number of Pages
BSI 2021 28
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This part of ISO 12176 specifies performance requirements for electrofusion control units for use with polyethylene (PE) electrofusion fittings for the supply of gaseous fuels or for the conveyance of water for human consumption, including raw water prior to treatment, and for the conveyance of water for general purpose or other fluids.

The control units are divided into three input voltage classes: SVLV [safety, very low voltage (up to 50 V)], LV [low voltage (50 V to 250 V)] and HV [higher voltage (250 V to 400 V)].

This part of ISO 12176 is applicable to electrofusion control units designed for use in the construction of joints between PE pipes and fittings conforming to International Standards for the supply of gaseous fuels or for the conveyance of water, where the normal operating temperature of the control unit is in the range −10 °C to +40 °C. If temperatures outside this range are expected, suitable operating limits are subject to agreement between manufacturer and purchaser.

This part of ISO 12176 is applicable to control units with current or voltage control for fitting systems based on standard resistance wire heating technology.

PDF Catalog

PDF Pages PDF Title
2 National foreword
7 Foreword
9 1 Scope
2 Normative references
3 Terms and definitions
11 4 Designation of the different types of control unit
5 Construction requirements
5.1 General
12 5.2 Electrical safety
5.3 Cables
5.3.1 General
5.3.2 Input cable
5.3.3 Output cable
5.4 Cable connectors
13 5.5 Operator controls
5.6 Displays
5.7 Temperature-sensing element for fusion energy compensation
5.8 Input data decoder
5.9 Data retrieval and transmission
5.9.1 General
5.9.2 Memory
14 5.9.3 Interface
5.9.4 Data protection
5.10 Transformers
5.11 Duty cycle
6 Operating procedures
6.1 Supply checks
6.2 Fusion data input
6.2.1 Manual input
15 6.2.2 Automatic input
6.3 Data validation
6.3.1 General
6.3.2 Data validation by the control unit
6.3.3 Data validation by the operator
6.4 Fusion cycle
6.4.1 Fusion time and energy
6.4.2 Incidents during fusion cycle
16 6.4.3 Optional programs and equipment
7 Operating requirements
7.1 General
7.2 Power supply
7.3 Coil resistance measurement/electrical continuity check
7.4 Energy output
7.4.1 Energy control
17 7.4.2 Cycle time
7.4.3 Energy control
7.4.4 Power overload
7.5 Safety devices
7.5.1 General
7.5.2 Obligatory safety devices
18 7.5.3 Optional safety devices
7.6 Counter
7.7 Endurance
8 Mechanical performance
8.1 Shock resistance test
19 8.2 Vibration test
9 Technical file
10 Marking
20 Annex A (normative) Designation scheme
23 Annex B (informative) Duty cycle
24 Annex C (normative) Shock resistance test
25 Annex D (normative) Vibration test
26 Bibliography

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BS ISO 12176-2:2008+A1:2021
$142.49