RIIFO MLCP F18 Male Threaded Tee

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Useful Information

Technical Specification

  • Manufacturer: RIIFO
  • Materials:
    • Body: CW167N (16-32mm), RFH59-2 (40-63mm)
    • Sleeve: Stainless Steel 304
    • Collar: Polyethylene (PE)
    • O-rings: Ethylene Propylene Diene Monomer (EPDM)
  • Available Sizes: 16mm x 1/2" to 63mm x 2"
  • Compatible Press Profiles: TH and U
  • Thread Type: BSPT Male
  • Operating Temperature: -25°C to +95°C
  • Pressure Rating: Up to 10 bar
  • Approvals: WRAS

Description

This tee lets a multilayer pipe run branch off to a threaded connection without needing a separate coupler. The centre outlet is machined with a male BSP thread, while the two straight-through connections remain press fit to continue the pipe run in either direction. It's a practical option for feeding a tap, gauge or appliance directly off a main line, without interrupting that line to do so. Manufactured throughout in CW167N brass, the fitting pairs a stainless steel sleeve, PE collar and EPDM o-rings on each press connection with the machined thread at the branch.

Both press connections benefit from leak before press (LBP) protection, so an unpressed joint will leak on testing rather than sitting undetected until the system is filled, useful given a tee has two press ends to get right rather than one. TH and U profile jaws all fit, and each press connection can be turned slightly after pressing, which helps keep the branch outlet pointing the right way once the main run is fixed in place.

With a maximum working pressure of 10 bar and an operating range of -25°C to +95°C, this male tee is suited to branch connections in domestic and commercial hot and cold water systems, and carries WRAS approval for potable water use.

Key Features & Benefits

  • Integrated branch thread: The centre outlet is machined with a male BSP thread, letting a tap, gauge or appliance connect directly off the main run without an extra fitting.
  • Leak before press protection: Either press connection will leak on testing if not fully closed, flagging a fault before the system is commissioned.
  • Multiple jaw compatibility: TH, B and U profile jaws all fit the press ends, so tooling choice stays flexible.
  • Adjustable after pressing: Both press connections can be turned slightly once complete, helping orient the branch thread correctly.
  • Durable stainless steel sleeve: Grade 304 stainless steel gives the press connections lasting resistance to corrosion.

Approvals

Dimensions

Product Code Manufacturer Code Size (mm x inch) A (mm) B (mm) L1 (mm) L (mm) P (mm) C (inch) H (mm)
493581 1100045855 16 x 1/2" 11.75 20.2 26.1 86.4 14 1/2" 28
493582 1100045856 20 x 1/2" 15.75 24.2 26.1 86.4 14 1/2" 30
493583 1100058460 40 x 1/2" - - - - - 1/2" -
493584 1100058461 40 x 3/4" - - - - - 3/4" -
493585 1100058462 40 x 1" - - - - - 1" -
493586 1100058463 40 x 1 1/4" - - - - - 1 1/4" -
493587 1100058464 50 x 1/2" - - - - - 1/2" -
493588 1100058465 50 x 3/4" - - - - - 3/4" -
493589 1100058466 50 x 1" - - - - - 1" -
493590 1100058467 50 x 1 1/2" - - - - - 1 1/2" -
493591 1100058468 63 x 1/2" - - - - - 1/2" -
493592 1100058469 63 x 3/4" - - - - - 3/4" -
493593 1100058470 63 x 1" - - - - - 1" -
493594 1100058471 63 x 2" - - - - - 2" -

Installation Instructions

  1. Cutting: Cut the multilayer pipe perpendicular to its length, taking care not to damage the pipe when removing any packaging beforehand. A clean, square cut is essential, as an improperly cut end can cause the finished joint to leak. For pipe diameters of 32mm and above, a wheel pipe cutter should be used.

  2. Round & Bevel: Using a bevelling tool that matches the pipe diameter, push the tool fully onto the pipe until the blades engage, then rotate it clockwise several times. The calibrating mandrel restores the pipe to a true circle while the blades cut an even bevel, allowing the pipe to enter the fitting without catching or damaging the O-rings. If a drill-driven tool is used, keep the speed below 500 rpm.

  3. Inspection: Check the pipe visually for damage or impurities and confirm the bevel is uniform around the full circumference before proceeding. A few seconds of inspection here prevent a failed joint later.

  4. Insertion: Select a fitting matching the pipe diameter, align it with the pipe, and push the pipe in until it seats against the fitting shoulder. Correct insertion depth is confirmed when the pipe is visible through the inspection windows in the fitting sleeve.

  5. Jaw Selection: Attach a press jaw or insert of the correct profile and diameter to the pressing tool, checking both are in good working condition. Note that while F18 fittings are multi-profile, the jaws sit differently on the press sleeve: a TH jaw locates with its wide groove over the plastic fixing ring, while a U jaw fits directly onto the metal sleeve using the edge of the fixing ring as its stop.

  6. Pressing: Make sure the pipe and fitting are completely free of stress, then close the jaw and complete the press. With a battery or electric tool, the cycle is complete when the jaw is fully closed, and most machines signal this. With the manual pressing tool, close the handles in one smooth, continuous motion until the touch points on the handles meet, without releasing until the jaw has fully closed. Each connection must only ever be pressed once. Open the jaw, remove the tool, and the joint is complete.

For more information and technical diagrams, see the RIIFO Installation Guidelines.

Downloads

RIIFO Product CatalogueRIIFO Product Catalogue
Product Catalogue

IMPORTANT: The technical data given on this website is for preliminary information purposes only and is published without guarantee. All line drawings are for illustrative purposes only and should not be regarded as wholly accurate in every detail. We reserve the right to withdraw or to alter the specification of any product without notice. For more information, please consult our Terms of Business.

If you require any further information, our excellent customer service team is here to help so please call us on 01794 835835.

 

Grouped product items
Code Product Name List Price You Save You Pay Quantity
493581 RIIFO MLCP F18 Male Threaded Tee 16mm x 1/2" £6.32 50%
You Pay:  £3.16
493582 RIIFO MLCP F18 Male Threaded Tee 20mm x 1/2" £7.36 50%
You Pay:  £3.68
493583 RIIFO MLCP F18 Male Threaded Tee 40mm x 1/2" £26.08 50%
You Pay:  £13.04
493584 RIIFO MLCP F18 Male Threaded Tee 40mm x 3/4" £27.00 50%
You Pay:  £13.50
493585 RIIFO MLCP F18 Male Threaded Tee 40mm x 1" £27.08 50%
You Pay:  £13.54
493586 RIIFO MLCP F18 Male Threaded Tee 40mm x 1 1/4" £31.48 50%
You Pay:  £15.74
493587 RIIFO MLCP F18 Male Threaded Tee 50mm x 1/2" £32.72 50%
You Pay:  £16.36
493588 RIIFO MLCP F18 Male Threaded Tee 50mm x 3/4" £33.72 50%
You Pay:  £16.86
493589 RIIFO MLCP F18 Male Threaded Tee 50mm x 1" £35.44 50%
You Pay:  £17.72
493590 RIIFO MLCP F18 Male Threaded Tee 50mm x 1 1/2" £41.28 50%
You Pay:  £20.64
493591 RIIFO MLCP F18 Male Threaded Tee 63mm x 1/2" £57.44 50%
You Pay:  £28.72
493592 RIIFO MLCP F18 Male Threaded Tee 63mm x 3/4" £59.12 50%
You Pay:  £29.56
493593 RIIFO MLCP F18 Male Threaded Tee 63mm x 1" £60.96 50%
You Pay:  £30.48
493594 RIIFO MLCP F18 Male Threaded Tee 63mm x 2" £73.80 50%
You Pay:  £36.90