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PPR Reducing Tee Pipe Fitting

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  • PPR Reducing Tee Pipe Fitting
PPR Reducing Tee Pipe Fitting

PPR Reducing Tee Pipe Fitting

PPR Reducing Tee Pipe Fitting supports a "trunk-and-branch" pipeline design at each branch point: it splits a main line into a continuing run and a branch outlet, with the branch (and sometimes the continuing run) sized smaller than the inlet. Many plumbing systems follow this design, where a larger main line gradually feeds a series of progressively smaller branches toward individual fixtures.
Structurally, the reducing tee performs the same branching function as an equal tee fitting, but needs to manage two or three different diameters meeting at one junction rather than one. Fittings of this type are generally molded with somewhat thicker wall sections around the branch area to help the reduced-diameter connection hold up under the combined stress. Like other fittings in the range, it is typically produced from PP-R80/PP-R100 resin and forms a heat-fused joint at all three ports.
For plumbing designers, the reducing tee is one of the tools that allows a distribution network to be sized more efficiently at each stage, rather than running one large diameter throughout. A main riser can be sized for overall building demand, then step down through reducing tees as it branches toward individual floors, apartments, or fixture groups.
Reducing tees are generally offered across a range of main-line and branch diameter combinations; the specific combinations available should be confirmed with the supplier for a given project.

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Application Scenarios & Installation

The reducing tee is used at virtually every branch point in a professionally designed plumbing network where the main line is intentionally larger than the individual branches it feeds. In residential and multi-unit construction, it is the standard fitting for tapping a smaller bathroom or kitchen supply line off a larger building riser, and for splitting a main cold or hot water line into progressively smaller distribution branches as it reaches each floor or unit. In commercial and hospitality buildings, reducing tees are used extensively along horizontal distribution mains to feed individual guest rooms, offices, or tenant spaces from a shared larger trunk line, allowing the main to be sized for aggregate demand while each branch is sized only for its own fixture group.
The fitting also plays an important role in irrigation and agricultural piping, where a large-diameter main feed line typically needs to branch into smaller zone or drip-line piping at regular intervals along its length, and in industrial process piping, where a main supply line often needs to divert a portion of its flow to a smaller-diameter secondary process or instrumentation line. Because it is available across such a wide range of main-and-branch diameter combinations, the reducing tee allows engineers and installers to design an efficiently sized distribution network from the very first fitting off the main line to the last connection at an individual fixture, without needing custom-fabricated transition parts.


NAME SIZE Gram weight RMB（UP） PCS/CTN Box gauge
REDUCE TEE T25*20 31 0.372 450 47*29*40
T32*20 40 0.48 300 47*29*40
T32*25 45 0.54 300 47*29*40
T40*20 66 0.792 180 47*29*40
T40*25 72 0.864 180 47*29*40
T40*32 72 0.864 150 47*29*40
T50*20 92 1.104 130 47*29*40
T50*25 98 1.176 120 47*29*40
T50*32 111 1.332 120 47*29*40
T50*40 124 1.488 90 47*29*40
T63*20 152 1.824 80 47*29*40
T63*25 160 1.92 75 47*29*40
T63*32 177 2.124 60 47*29*40
T63*40 204 2.448 60 47*29*40
T63*50 225 2.7 56 47*29*40
T75*20 240 2.88 45 47*29*40
T75*25 255 3.06 30 47*29*40
T75*32 271 3.252 30 47*29*40
T75*40 297 3.564 28 47*29*40
T75*50 335 4.02 24 47*29*40
T75*63 390 4.68 24 47*29*40
T90*20 294 3.528 24 47*29*40
T90*25 301 3.612 24 47*29*40
T90*32 313 3.756 18 47*29*40
T90*40 363 4.356 16 47*29*40
T90*50 408 4.896 14 47*29*40
T90*63 485 5.82 14 47*29*40
T90*75 508 6.096 11 47*29*40
T110*20 469 5.628 18 47*29*40
T110*25 480 5.76 12 47*29*40
T110*32 487 5.844 12 47*29*40
T110*40 513 6.156 12 47*29*40
T110*50 573 6.876 12 47*29*40
T110*63 623 7.476 10 47*29*40
T110*75 706 8.472 10 47*29*40
T110*90 828 9.936 10 47*29*40
T160*50 1500 22.5 8 47*29*40
T160*63 1532 22.98 8 47*29*40
T160*75 1675 25.125 8 47*29*40
T160*90 1770 26.55 8 47*29*40
T160*110 1960 29.4 6 47*29*40

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