PP Compression Female Threaded Coupler for Water

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PP female threaded coupler for water. Connects PP pipe to male threaded fittings DN20-DN63, PN16. Push-fit on pipe end, ISO 14236 certified.
  • Diameter Range: DN 20 – DN 110
  • Pressure Rating: PN 10, PN 16 @ 20°C
  • Applicable Standards: ISO 15874, ISO 228-1
  • Stock Availability: In stock
  • Sample Policy: Free sample available
  • Lead Time: 5–30 days

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The PP Compression Female Threaded Coupler for Water is a transition fitting with a compression end for PP pipe and a female threaded end for metal fittings. It provides reliable connections in potable water systems.

10 Bar
ABCELG(inch)
25 X 3/4''6849.5472119
25 X 3/4''7450.55326.520.5
25 X 1''74.550.55326.523
32 X 3/4''82.560.56333.523
32 X 1''8360.56333.523
40 X 1 1/4''105.56474.54119
40 X 1 1/2''105.56474.54119
50 X 1 1/2''122.58190.55126
50 X 2''1238190.55126
63 X 2''124.5941106428.5
75 X 2 1/2''166.513112977.546
90 X 3''226184.51519280.5

Key Features of PP Compression Female Threaded Coupler for Water

  • One compression end and one threaded end transitions plastic pipe to threaded metal parts or valves.
  • Built-in metal thread insert reinforces thread strength and resists stripping.
  • Compression end locks and seals fast; threaded end can use PTFE tape for sealing.
  • Corrosion-resistant and hygienic PP body suits potable and hot/cold water.
  • Reusable design allows both ends to be loosened and reassembled.

Manufacturing Process of PP Compression Female Threaded Coupler for Water

Each is produced by injection molding with precise control of temperature, pressure, and cooling rate.

Critical Process Parameters of PP Compression Female Threaded Coupler for Water

  • Control of injection molding parameters for dimensional stability.
  • Control of gripping surface dimensions and seal-ring groove concentricity.
  • Thread insert positioning and coaxiality for threaded variants (ISO 228-1).
  • Wall-thickness uniformity control.
  • 100% leak test and sampling hydrostatic strength test.

Raw Material Characteristics of PP Compression Female Threaded Coupler for Water

  • Good heat resistance: long-term service temperature up to 70°C.
  • High stiffness and creep resistance.
  • Excellent chemical corrosion resistance.
  • The fitting Complies with potable water standards.
  • Recyclable.

Typical Applications of PP Compression Female Threaded Coupler for Water

  • is used for transition from irrigation branch to male-threaded gate/ball valve.
  • serves threaded transition between water meter inlet/outlet and plastic pipe.
  • is installed at transition nodes between plastic pipe and metal fittings in building water supply.
  • The fitting provides quick coupling at pump inlet/outlet to pipeline.
  • is used for threaded connections at dosing unit or filter inlet/outlet.

Application Scenarios of PP Compression Female Threaded Coupler for Water

  • Transitions between PP pipe and male-threaded metal equipment — is the standard coupler for these connections.
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