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Head Loss Curve - 9" x 9"

Flow Rate (GPM)

Head (In. Hg

.)

6

5

4

3

2

1

0

0  50 100  150 200 250  300 350 400

©2021 Waterway Plastics

810-4790-2017.0621

819-1031

642-479x V

642-4710

Summary of Contents for 640-479X V

Page 1: ...PLACEMENT PARTS IMPORTANT SAFETY INSTRUCTIONS Model Number 640 479XV 9 x 9 Grate and Frame 2021 Waterway Plastics 810 4790 2017 0621 2200 East Sturgis Road Oxnard CA 93030 Phone 805 981 0262 Fax 805 981 9403 www waterwayplastics com waterway waterwayplastics com Designed Engineered Manufactured in the USA Read and follow all instructions in this owner s manual and on the equipment Failure to follo...

Page 2: ...grate should be inspected frequently and replaced at least every seven years or if found to be damaged broken cracked missing or not securely attached WARNING Do not exceed the safe flow rate Do not increase flow through system by increasing pump size or horsepower Do not allow children to sit play or interact with main drains or suction outlet In order to remove the suction cover for service or w...

Page 3: ... wall fitting after installation SOFA installation components with crack chunks or pieces broken off stripped screw holes brittleness and or unusual discoloration should be replaced The mounting surface or interior surface of the pool should be free of deterioration Start installation of screws by hand to ensure proper thread engagement and to prevent cross threading Do not exceed the safe flow ra...

Page 4: ...Head Loss Curve 9 x 9 Flow Rate GPM Head In Hg 6 5 4 3 2 1 0 0 50 100 150 200 250 300 350 400 2021 Waterway Plastics 810 4790 2017 0621 819 1031 642 479x V 642 4710 ...

Page 5: ...4710 FINISH SURFACE OF THE POOL FLOW PATH POOL STRUCTURE PLASTER 7 12 10 38 1 25 9 SECTION VIEW 1 4 WATERSTOP FLANGE 2 FPT X FPT PVC COUPLING 642 4710 FIELD FABRICATED SUMP FINISH SURFACE OF THE POOL 3 FPT X SOC PVC COUPLING POOL STRUCTURE PLASTER PVC Pipe Size 3 Min Sump Depth 7 Min Ledge Depth 1 25 Max LedgeWidth 10 38 Min Pipe Offset N A Min Length Before Reduction 9 ...

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