ISO 12176-1:2017
Plastics pipes and fittings — Equipment for fusion jointing polyethylene systems — Part 1: Butt fusion
ISO 12176-1:2017 specifies the general characteristics of, and performance requirements for, equipment for butt fusion jointing of polyethylene (PE) piping systems using electrically powered heater plates.
ISO 12176-1:2017 is applicable to mechanical and pressure-activated equipment for butt fusion jointing of PE pipes and fittings either intended to be used for the supply of gaseous fuels, conforming to ISO 4437‑2[1] and ISO 4437‑3[2], or intended for the conveyance of water for human consumption (including raw water prior to treatment) and for the conveyance of water for general purposes, conforming to ISO 4427‑2[3] and ISO 4427‑3[4].
Butt fusion machines with an automatic controller are subject to additional requirements as given in Annex A.
NOTE This document is also applicable to butt fusion machines for larger nominal pipe diameters and nominal wall thicknesses than given in this document.
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Design configurations
4.1 General
4.2 Configurations
5 Chassis and clamps
5.1 General
5.2 Guide elements
5.2.1 General
5.2.2 Rigidity under pressure
5.2.3 Rigidity under bending
5.2.4 Re-rounding action
6 Interface force transmission
6.1 General
6.2 Manual systems
6.3 Hydraulic and pneumatic systems
6.4 Electric systems
6.5 Performance
7 Planing tool
7.1 General
7.2 Performance
8 Heating plate
8.1 General
8.2 Dimensions
8.3 Materials and surface finish
8.4 Heating system
8.5 Performance
9 Power supply
10 Test methods
10.1 Chassis and clamps
10.1.1 Effectiveness of re-rounding (see Figure 3)
10.1.2 Clamp alignment
10.2 Planing tool and check of gap after planing
10.3 Heating plate
10.3.1 Roughness check
10.3.2 Temperature control system check
10.3.3 Heat transfer efficiency
10.3.4 Guide elements and work-holding fixtures
11 Auxiliary equipment
12 Maintenance
13 Marking on the butt fusion machine
14 Other information to be provided by the manufacturer
Annex A (normative) Additional performance requirements for butt fusion machines with automatic controllers
Annex B (informative) Type classification scheme
Bibliography
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Design configurations
4.1 General
4.2 Configurations
5 Chassis and clamps
5.1 General
5.2 Guide elements
5.2.1 General
5.2.2 Rigidity under pressure
5.2.3 Rigidity under bending
5.2.4 Re-rounding action
6 Interface force transmission
6.1 General
6.2 Manual systems
6.3 Hydraulic and pneumatic systems
6.4 Electric systems
6.5 Performance
7 Planing tool
7.1 General
7.2 Performance
8 Heating plate
8.1 General
8.2 Dimensions
8.3 Materials and surface finish
8.4 Heating system
8.5 Performance
9 Power supply
10 Test methods
10.1 Chassis and clamps
10.1.1 Effectiveness of re-rounding (see Figure 3)
10.1.2 Clamp alignment
10.2 Planing tool and check of gap after planing
10.3 Heating plate
10.3.1 Roughness check
10.3.2 Temperature control system check
10.3.3 Heat transfer efficiency
10.3.4 Guide elements and work-holding fixtures
11 Auxiliary equipment
12 Maintenance
13 Marking on the butt fusion machine
14 Other information to be provided by the manufacturer
Annex A (normative) Additional performance requirements for butt fusion machines with automatic controllers
Annex B (informative) Type classification scheme
Bibliography