PolyPipe®

R E C O M M E N D E D

TABLE OF CONTENTS

INTRODUCTION	1
FEDERAL REGULATIONS	1
QUALIFICATION PROCEDURE	2
HEAT FUSION	2
INCLEMENT WEATHER	3
NOTES ON FUSION CONFIDENCE	4
FUSION CHECKLIST	5
BUTT FUSION	6
PROCEDURE	6
QUALIFICATION	10
SADDLE FUSION	14
DEFINITIONS	14
PROCEDURE	15
QUALIFICATION	17
SOCKET FUSION	21
EQUIPMENT REQUIREMENTS	21
HEATER TEMPERATURE	21
PROCEDURE	21
QUALIFICATION	23
APPENDIX A	27
HYDRAULIC FUSION MACHINE GAUGE PRESSURE	27
REFERENCES	28
FIGURES
FIGURE I – BUTT FUSION BENT STRAP TEST SPECIMEN	10
FIGURE II – SADDLE FUSION BENT STRAP TEST SPECIMEN	17
FIGURE III – SOCKET FUSION BENT STRAP TEST SPECIMEN	23
TABLES
TABLE I – BUTT FUSION: APPROXIMATE MELT BEAD SIZE	7
TABLE II – BUTT FUSION: BEAD WIDTHS PER WALL THICKNESS	9
TABLE III – BUTT FUSION: TROUBLESHOOTING GUIDE	13
TABLE IV – SADDLE FUSION: MAXIMUM HEATING/MINIMUM COOLING TIMES	15
TABLE V – SADDLE FUSION: TROUBLESHOOTING GUIDE	20
TABLE VI – SOCKET FUSION: TIME CYCLES	22
TABLE VII – SOCKET FUSION: TROUBLESHOOTING GUIDE	26

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