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UPVC Reducer Coupler

A solvent-cement socket reducer coupler for concentric size transition between two pipes.

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Product Overview

UPVC reducer coupler for solvent cement socket size transition. Manufactured from virgin PVC-U compound per GB/T 10002.2 and ISO 1452, this UPVC reducer coupler joins two pipes of different diameters in a straight line with a smooth concentric taper. Available in DN 15 - 315 mm with PN6 - PN16 ratings, the UPVC reducer coupler is the standard straight-line size-transition fitting for PVC-U industrial piping.

Quick Information

  • Type: Reducer Coupler
  • Material: PVC-U / PVC-C
  • Size: DN 15 - 315 mm
  • Pressure Rating: PN6 - PN16
  • Connection: Solvent Cement Socket
  • Standard: GB/T 10002.2 / ISO 1452
  • Stock: In stock

Specification Table

Size DN(De) Dimensions (mm) Nominal Pressure

PN(kg/cm²)

D0 D1 D2 d0 d1 d2 d t T L
20X15(25*20) 31.80 25.30 24.95 26.30 20.30 19.95 18.00 16.20 18.70 40.00 S5(PN20)
25X15(32*20) 39.90 32.30 31.90 26.30 20.30 19.95 18.00 16.20 22.20 48.50 S5(PN20)
25X20(32*25) 39.90 32.30 31.90 31.80 25.30 24.95 23.00 18.70 22.20 47.40 S5(PN20)
32X15(40*20) 49.40 40.35 39.90 26.30 20.30 19.95 18.00 16.20 26.20 56.50 S5(PN20)
32X20(40*25) 49.30 40.40 39.90 31.80 25.30 24.95 23.00 18.70 26.20 56.80 S5(PN20)
32X25(40*32) 49.40 40.35 39.90 39.70 32.30 31.90 30.00 22.20 26.20 54.80 S5(PN20)
40X15(50*20) 61.50 50.35 49.90 26.30 20.30 19.95 18.00 16.20 31.20 66.00 S5(PN20)
40X20(50*25) 61.50 50.35 49.90 31.80 25.30 24.95 23.00 18.70 31.20 66.00 S5(PN20)
40X25(50*32) 61.50 50.35 49.90 39.90 32.30 31.90 30.00 22.20 31.20 67.00 S5(PN20)
40X32(50*40) 61.90 50.40 49.90 46.30 40.35 39.90 38.00 26.20 31.20 65.00 S5(PN20)
50X15(63*20) 77.20 63.40 62.90 26.30 20.30 19.95 18.00 16.20 37.70 79.00 S5(PN20)
50X20(63*25) 77.30 63.40 62.90 31.80 25.30 24.95 23.00 18.70 37.70 79.00 S5(PN20)
50X25(63*32) 77.90 63.40 62.90 39.90 32.30 31.90 30.00 22.20 37.70 80.00 S5(PN20)
50X32(63*40) 77.30 63.40 62.90 46.30 40.35 39.90 38.00 26.20 37.70 80.00 S5(PN20)
50X40(63*50) 77.30 63.40 62.90 61.90 50.35 49.90 48.00 31.20 37.70 77.70 S5(PN20)
65X15(75*25) 90.80 75.40 74.90 26.30 20.30 19.95 18.00 16.20 43.70 93.00 S6.3(PN16)
65X20(75*25) 90.80 75.40 74.90 31.80 25.30 24.95 23.00 18.70 43.70 92.70 S6.3(PN16)
65X25(75*32) 90.80 75.40 74.90 39.90 32.30 31.90 30.00 22.20 43.70 93.50 S6.3(PN16)
65X32(75*40) 90.80 75.40 74.90 46.30 40.35 39.90 38.00 26.20 43.70 93.00 S6.3(PN16)
65X40(75*50) 91.00 75.40 74.90 61.70 50.35 49.90 48.00 31.20 43.70 93.30 S6.3(PN16)
65X50(75*63) 91.00 75.40 74.90 77.50 63.40 62.90 61.00 37.70 43.70 92.50 S6.3(PN16)
80X20(90*25) 107.30 90.50 89.90 32.00 25.30 24.95 23.00 18.70 51.20 108.00 S6.3(PN16)
80X25(90*32) 107.20 90.50 89.90 39.40 32.30 31.90 30.00 22.20 51.20 108.10 S6.3(PN16)
80X32(90*40) 107.20 90.50 89.90 49.70 40.35 39.90 38.00 26.20 51.20 108.50 S6.3(PN16)
80X40(90*50) 107.30 90.50 89.90 61.60 50.35 49.90 48.00 31.20 51.20 108.20 S6.3(PN16)
80X50(90*63) 107.30 90.50 89.90 77.30 63.40 62.90 61.00 37.70 51.20 108.00 S6.3(PN16)
80X65(90*75) 107.30 90.50 89.90 91.20 75.40 74.90 70.90 43.70 51.20 107.30 S6.3(PN16)
100X20(110*25) 127.00 110.60 109.90 32.00 25.30 24.95 23.00 18.70 61.20 127.80 S6.3(PN16)
100X25(110*32) 127.00 110.60 109.90 40.10 32.30 31.90 30.00 22.20 61.20 128.30 S6.3(PN16)
100X32(110*40) 126.80 110.60 109.90 46.70 40.35 39.90 38.00 26.20 61.20 128.60 S6.3(PN16)
100X40(110*50) 127.00 110.60 109.90 61.70 50.35 49.90 48.00 31.20 61.20 128.00 S6.3(PN16)
100X50(110*63) 127.40 110.60 109.90 77.50 63.40 62.90 61.00 37.70 61.20 128.00 S6.3(PN16)
100X65(110*75) 127.00 110.60 109.90 90.80 75.40 74.90 70.90 43.70 61.20 128.60 S6.3(PN16)
100X80(110*90) 127.00 110.60 109.90 107.30 90.50 89.90 85.90 51.20 61.20 127.40 S6.3(PN16)
De125*110 144.00 125.70 124.90 127.00 110.60 109.90 103.90 61.20 68.70 146.00 S6.3(PN16)
125X40(140*50) 161.60 140.75 139.90 61.60 50.35 49.90 48.00 31.11 76.20 157.60 S6.3(PN16)
125X50(140*63) 161.60 140.75 139.90 77.30 63.40 62.90 61.00 37.59 76.20 158.00 S6.3(PN16)
125X65(140*75) 161.60 140.75 139.90 90.75 75.40 74.90 70.90 43.70 76.20 158.50 S6.3(PN16)
125X80(140*90) 161.70 140.75 139.90 107.00 90.50 89.90 85.90 52.00 76.20 158.30 S6.3(PN16)
125X100(140*110) 161.80 140.75 139.90 127.20 110.60 109.90 103.90 61.02 76.20 157.70 S6.3(PN16)

Key Features

  • Concentric Size Transition: The UPVC reducer coupler joins two different-diameter pipes in a straight line with a smooth internal taper.
  • Solvent Cement Joint: Each UPVC reducer coupler has precision-molded sockets that bond permanently to PVC-U pipe with standard solvent cement.
  • Chemical Resistance: The UPVC reducer coupler withstands acids, alkalis and industrial chemicals without corrosion.
  • Lightweight Installation: Far lighter than metal reducers, the UPVC reducer coupler reduces handling and installation cost.
  • PN6 - PN16 Rated: The UPVC reducer coupler matches common PVC-U pipe pressure classes from DN 15 to 315 mm.
  • Long Service Life: Non-rusting, non-scaling UPVC reducer coupler material delivers decades of reliable service.

Production

Raw Material

Each UPVC reducer coupler is injection molded from virgin PVC-U compound with precision tooling per GB/T 10002.2 and ISO 1452.

Molding Process

The UPVC reducer coupler is injection molded with stepped cores that form both socket diameters and the internal taper in one cycle.

Quality Control

Every UPVC reducer coupler is dimensionally inspected for socket depth, OD and taper alignment to guarantee exact compatibility with standard PVC-U pipes.

Applications

  • Industrial chemical piping uses the UPVC reducer coupler for in-line size transitions between process pipe sizes.
  • Water supply and drainage systems install the UPVC reducer coupler for straight-line diameter reductions.
  • Irrigation and agricultural pipelines rely on the UPVC reducer coupler for connecting main lines to laterals.
  • Building and plumbing services choose the UPVC reducer coupler for compact pipe size transitions.

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