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Flexible Pipe & Plumbing Supplies
Pond building experts agree... Flexible PVC pipe is the most durable and reliable product to connect pumps, waterfalls, skimmers and vaults. Anjon manufactures Freeze Flex™ PVC pipe. A professional grade pipe, Freeze Flex works with all schedule 40 fittings, can be frozen solid without compromising strength or splitting, and is constructed with a smooth interior wall to reduce friction loss.
Anjon also manufactures kink-free vinyl tubing tubing and fittings for smaller projects with barb fittings. Offering a wide variety of Auto-Fills, PVC fittings, valves, bottom drains, primers & sealants; Anjon has everything you need to plumb a pond or waterfall.
Questions? If you need any help please contact one of our sales representatives.
Pipe Selection Chart
Choosing the proper size of pipe for your project is an all-important step in the design, construction and operation of a healthy water feature.
| Pipe Sizing Chart
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| GPH
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Pipe Size
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| < 300
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1/2"
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| 300 - 720
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3/4"
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| 720 - 1,200
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1"
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| 1,200 - 1,600
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1 1/4"
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| 1,600 - 2,600
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1 1/2"
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| 2,600 - 4,800
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2"
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4,800 - 9,000
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3"
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| 9,000 - 16,500
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4"
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| 16,500 - 24,000
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6"
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Three important considerations to choosing the proper size pipe are:Pipe Size Trumps Pump Size. Say you have an 8,000 GPH pump and 2" pipe in your pond or waterfall. Although the pump may be powerful enough to produce 8,000 GPH, the pipe will deliver a maximum of 4,800 GPH. Pipe size, not pump capacity, will be the limiting factor in the flow of water in your project.
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Pump Outlet Size Does Not Determine Pipe Size. The diameter of the outlet of a water pump is designed to enable the pump to produce GPH. It does not determine the proper pipe size. For example, many pumps producing 7,500 - 9,000 GPH may have a 2" outlet; use a reducer to step up from 2" to 3" and use 3" pipe for optimum performance.
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A Single 3" Pipe Delivers More Flow Than 2 - 2" Pipes. The key here is friction loss. Friction loss is the reduction of water pressure which occurs when water travels over distance and through any kind of restriction. The combination of pipe capacity and friction loss of water flowing through 2 - 2" pipes is actually less than the volume of water that will travel through a single 3" pipe!
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