RIIFO MLCP F18 Manifold Outlet Adaptor

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Useful Information

Technical Specification

  • Manufacturer: RIIFO
  • Materials:
    • Body: CW167N (16-32mm), RFH59-2 (40-75mm)
    • Sleeve: Stainless Steel 304
    • Collar: Polyethylene (PE)
    • O-rings: Ethylene Propylene Diene Monomer (EPDM)
  • Available Sizes: 16mm x 1/2" to 25mm x 3/4"
  • Compatible Press Profiles: TH and U
  • Thread Type: BSPP Female
  • Operating Temperature: -25°C to +95°C
  • Pressure Rating: Up to 10 bar
  • Approvals: WRAS

Description

Designed to connect multilayer pipe directly onto a plumbing manifold, this adaptor presents a female BSP thread on one end, sized to match the outlet ports found on the RIIFO FS5 Plumbing Manifold, while the other end takes a standard press connection into the pipe run itself. It's a straightforward way to run individual branches from a central manifold out to each fixture, without needing to adapt or modify the manifold ports themselves. Manufactured in CW167N brass, the fitting combines a stainless steel sleeve, PE collar and EPDM o-rings on the press side with a machined female thread on the other.

The press connection includes leak before press (LBP) protection, so an unpressed joint will leak on testing rather than remaining undetected, particularly useful where several of these adaptors are grouped together at a manifold and a single missed press could otherwise go unnoticed among the others. It accepts TH and U profile pressing jaws, and the press end stays adjustable afterwards, helping the fitting sit correctly against the manifold port it's threaded onto.

Rated to a maximum working pressure of 10 bar and an operating range of -25°C to +95°C, this manifold adaptor is suited to connecting multilayer pipe branches to hot and cold water manifolds in domestic and commercial installations, and holds WRAS approval for potable water use.

Key Features & Benefits

  • Manifold-ready connection: The female BSP thread matches standard manifold outlet ports, allowing multilayer pipe branches to be connected without adapting the manifold itself.
  • Leak before press protection: An unpressed joint will leak on testing, an important check when several adaptors are grouped together at a single manifold.
  • Multiple jaw compatibility: Accepts TH, B and U profile pressing jaws, keeping tooling options open.
  • Adjustable after pressing: The press connection can be turned slightly once complete, helping the fitting seat correctly against the manifold port.
  • Corrosion-resistant sleeve: Grade 304 stainless steel supports long-term durability at each manifold branch connection.

Approvals

Dimensions

Product Code Manufacturer Code Size (mm x inch) A (mm) B (mm) L1 (mm) C (inch) D (mm) L (mm)
493643 1100049754 16 x 1/2" 11.75 20.2 26.1 1/2" 14.5 49.2
493644 1100064383 20 x 1/2" 15.75 24.2 26.1 1/2" 14.5 47.7
493645 1100047344 16 x 3/4" 11.75 20.2 26.1 3/4" 18.0 51.2
493646 1100047345 20 x 3/4" 15.75 24.2 26.1 3/4" 18.0 54.7
493647 1100064384 25 x 3/4" 19.75 29.4 33.3 3/4" 18.0 62.0

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
493643 RIIFO MLCP F18 Manifold Outlet Adaptor 16mm x 1/2" £4.36 50%
You Pay:  £2.18
493644 RIIFO MLCP F18 Manifold Outlet Adaptor 20mm x 1/2" £4.80 50%
You Pay:  £2.40
493645 RIIFO MLCP F18 Manifold Outlet Adaptor 16mm x 3/4" £5.20 50%
You Pay:  £2.60
493646 RIIFO MLCP F18 Manifold Outlet Adaptor 20mm x 3/4" £5.80 50%
You Pay:  £2.90
493647 RIIFO MLCP F18 Manifold Outlet Adaptor 25mm x 3/4" £7.48 50%
You Pay:  £3.74