Chevron Performance Pipe DriscoPlex 1000 Heat Fusion Joining Procedures And Qualification Manual Download Page 1

Page: 1 / 31

Manual PP-750 | June 2021

Page

June 2021 supersedes all previous editions

Heat Fusion Joining Procedures

And Qualification Guide

Gas Distribution, Water, Industrial, Specialty and Energy Products

Summary of Contents for Performance Pipe DriscoPlex 1000

Page 1: ...ditions Performance Pipe a Division of Chevron Phillips Chemical Company LP 5085 W Park Blvd Suite 500 Plano TX 75093 Phone 800 527 0662 Fax 972 599 7329 Heat Fusion Joining Procedures And Qualificati...

Page 2: ...ccordance with U S Department of Transportation Regulation 49 CFR Part 192 192 283 GAS DISTRIBUTION PRODUCTS DriscoPlex 6500 MDPE Piping Driscopipe 8100 HDPE Piping Yellowstripe 8300 HDPE Piping Drisc...

Page 3: ...fittings are installed on the side of the main After the fusion area has cooled the main pipe wall is pierced tapped to enable flow through the branch Hot tapping is saddle fusion to a live or pressu...

Page 4: ...surface do not discharge the inner surface of the pipe Squeeze off purging venting cutting etc can still result in a static electricity discharge When appropriate ground tools and remove all potential...

Page 5: ...rections Faulty fusion joints must be cut out and redone HANDLING Polyethylene piping is a tough robust material but it is not immune to damage Improper handling or abuse can damage piping compromise...

Page 6: ...e fusion establish the necessary cold weather heating time by making trial melt patterns in the field on non pressurized excess pipe that is at field temperature Use the standard heating time plus add...

Page 7: ...lean the surfaces again Heating tool surfaces must be clean undamaged and at the correct surface temperature Heating tool faces have non stick coatings for quick complete release from melted polyethyl...

Page 8: ...efore facing The use of alcohol or acetone after facing the pipe ends is not recommended since a properly faced surface should be pure Shield heated fusion equipment and surfaces from inclement weathe...

Page 9: ...y by tightening the higher side pipe clamp On larger pipes toe in may need to be removed before fusion See ASTM F2620 X1 6 Face Place the facing tool between the component ends and face them to establ...

Page 10: ...12 75 324 1 4 6 12 75 324 to 24 610 3 8 10 24 610 to 36 900 7 16 11 36 900 to 65 1625 9 16 14 Table 2 Maximum Heater Plate Removal Times Field Applications Pipe Wall Thickness in mm Common Gas Pipe O...

Page 11: ...n cooling time by applying water wet cloths or the like Avoid high stress on the fusion joint from pulling installation pressure testing and rough handling for at least an additional 30 minutes after...

Page 12: ...June 2021 supersedes all previous editions Performance Pipe a Division of Chevron Phillips Chemical Company LP 5085 W Park Blvd Suite 500 Plano TX 75093 Phone 800 527 0662 Fax 972 599 7329 Figure 2 Bu...

Page 13: ...e bead larger than the other Different bead sizes are expected when joining different material types such as heat fusion joining MDPE to HDPE pipes If the two materials being joined are the same then...

Page 14: ...one 800 527 0662 Fax 972 599 7329 Unacceptable Fusions 1 1 Insufficient heat time melt bead too small 2 Excessive heat time or pressure applies during heating melt bead too large 6 5 3 4 2 3 Pipe angl...

Page 15: ...mm WARNING Bend testing of pipes with a wall thickness greater than 1 in 25 mm can be dangerous and should be done with an approved bending fixture that supports and contains the pipe during testing...

Page 16: ...le fusion to pressurized mains is not recommended for 3 IPS 89mm mains with DR s above 13 5 and 4 IPS 110 mm and larger mains with DR s above 17 REQUIRED EQUIPMENT A saddle fusion machine application...

Page 17: ...Force fusion force is applied to the fitting against the main immediately after the heating tool is removed Joining Force is half the Initial Heat Force The Joining Force is the third number ZZZ on th...

Page 18: ...ntered at the location where the fitting will be fused Abrade the fusion surface of the fitting base and the mating fusion surface of the main pipe with 50 60 grit utility cloth On the main surface ab...

Page 19: ...the heating tool face apply Initial Heat Force and start the heat time When a melt bead is first visible all around the fitting base usually about 3 to 5 seconds reduce to Heat Soak Force zero Maintai...

Page 20: ...4 IPS 15 seconds Max Maximum Heating Time on Pressurized Main 2 IPS 25 to 35 seconds Max Maximum Heating Time on Non Pressurized Main 1 1 4 and 2 IPS Maximum Heating Time on Pressurized and Non Press...

Page 21: ...800 527 0662 Fax 972 599 7329 Acceptable Fusions 1 Proper alignment force and melt 2 Proper pipe surface preparation 3 Proper alignment force and melt 4 Proper pipe surface preparation 5 Melt bead bel...

Page 22: ...n Phillips Chemical Company LP 5085 W Park Blvd Suite 500 Plano TX 75093 Phone 800 527 0662 Fax 972 599 7329 Unacceptable Fusions 5 Insufficient melt 4 Excessive melt and force 2 Bead above base of fi...

Page 23: ...joints to cool for no less than one hour 3 Cut sample joint lengthwise along the main pipe and through the saddle fitting to prepare a test strap Please refer to Figure 5 4 Visually inspect the cut j...

Page 24: ...itting are removed from the cold heating tool the burned or charred material will come off with them PROCEDURE 1 Clean and Cut Clean the inside and outside of the pipe and fitting with a clean dry lin...

Page 25: ...surfaces should be 100 melted with no cold spots Within 3 seconds after removing from the heating tool firmly push the pipe end and the fitting socket straight together DO NOT TWIST PIPE OR FITTING u...

Page 26: ...straight with each other Use Table 7 for common socket fusion problems If flaws are observed in the joint find the cause of the flaw and repeat the procedures to prepare a new joint Important For inst...

Page 27: ...eep Wrinkled or collapsed pipe or tubing end when viewed from inside or when qualifying lengthwise cut joint Incorrect heating sequence always push the pipe or tubing into the heater after the fitting...

Page 28: ...Company LP 5085 W Park Blvd Suite 500 Plano TX 75093 Phone 800 527 0662 Fax 972 599 7329 Acceptable Fusions 3 No gap or voids 4 Proper insertion depth 5 Acceptable internal fusion bead 6 Complete inte...

Page 29: ...P 5085 W Park Blvd Suite 500 Plano TX 75093 Phone 800 527 0662 Fax 972 599 7329 Unacceptable Fusions 1 Improper insertion depth short stab depth 2 Misalignment 3 Excessive heating 1 4 Melt bead not fl...

Page 30: ...Bend testing of pipes with a wall thickness greater than 1 in 25 mm can be dangerous and should be done with an approved bending fixture that supports and contains the pipe during testing 2 Allow the...

Page 31: ...ical Information is given by Performance Pipe a division of Chevron Phillips Chemical Company LP for convenience only without any warranty or guarantee of any kind and is accepted and used at your sol...

Search results

Summary of Contents for Performance Pipe DriscoPlex 1000

Reviews:

Related manuals for Performance Pipe DriscoPlex 1000

Brands by name

Popular brands

Chevron Performance Pipe DriscoPlex 1000, Heat Fusion Joining Procedures And Qualification Manual

Search results

Summary of Contents for Performance Pipe DriscoPlex 1000

Reviews:

Related manuals for Performance Pipe DriscoPlex 1000

Brands by name

Popular brands