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Universal, MAXI and ULTRA

Choose by pipe material, measured outside diameter and whether axial restraint is required.

UNIVERSAL — Economical conventional mechanical connection. Check each model’s OD interval. Non-restrained; not for PE pipes. Coupling · Flange adaptor

MAXI — AQUAFITTING compression-ring and gasket design with model-specific OD coverage. Non-restrained; not for PE pipes. Coupling · Flange adaptor

ULTRA — Wide-range sealing and grip with axial restraint for the applicable configuration. Appropriate PE configurations are available. Coupling · Flange adaptor

Check the exact product, OD range and installation requirements before selection.

Pipe connections.

Choose the connection type.

AQUAFITTING DN400 coupling showing the pipe opening, gasket and bolted assembly

Choose a pipe-to-pipe coupling, a pipe-to-flange adaptor or a dismantling joint. Compare the product series, measured pipe outside diameter and installation requirements.

Pipe Couplings → · Flange Adaptors →

ULTRA Wide-Range Flange Adaptor

ULTRA Wide-Range Flange Adaptor

Pipe-to-flange connection. Match the pipe-side outside-diameter range and mating flange separately.

Dismantling Joint

Dismantling Joint

Flanged dismantling joint. Review PN10/16 and PN25 drawings and dimensions on one product page.

PE Flange Adaptor — Compression-Grip Series

PE Flange Adaptor — Compression-Grip Series

Connect a PE pipe end to a flanged component using the Compression-Grip series.

Pipe materials: PE
Match pipe outside diameter, wall thickness / SDR and flange connection.

Quick Flange Adaptor for PE/PVC Pipes

Quick Flange Adaptor for PE/PVC Pipes

Connect PE or PVC pipe to a flanged component with the appropriate Quick configuration.

Pipe materials: PE / PVC
PE configuration uses a brass grip; PVC configuration does not. The photograph shows the PE configuration.

Long-Body Gibault Joint for PVC Pipes — 300 mm

Long-Body Gibault Joint for PVC Pipes — 300 mm

Gibault coupling with a 300 mm body-length designation.

Universal-to-PE Transition Coupling

Universal-to-PE Transition Coupling

PE-specific connection at one end and a separate universal OD range at the other.

Universal Flange Adaptor

Universal Flange Adaptor

Mechanical connection from a plain pipe end to a flanged component.

ULTRA Wide-Range Coupling

ULTRA Wide-Range Coupling

Pipe-to-pipe connection. Join two plain pipe ends with the selected wide-range coupling.

PE Flange Adaptor — Lock-Ring Series

PE Flange Adaptor — Lock-Ring Series

Connect a PE pipe end to a flanged component using the Lock-Ring series.

Pipe materials: PE
Select pipe outside diameter and flange drilling separately.

PE Pipe Coupling — Compression-Grip Series

PE Pipe Coupling — Compression-Grip Series

Connect two PE pipe ends using the Compression-Grip series.

Pipe materials: PE
Use the Compression-Grip dimensional schedule; it is a separate design from Lock-Ring.

Quick Flange Adaptor for Ductile Iron Pipes

Quick Flange Adaptor for Ductile Iron Pipes

Connect a ductile iron pipe end to a flanged component.

Pipe materials: Ductile iron
Standard and Toothed-Grip are separate configurations. Select the required configuration.

Long-Sleeve Universal Flange Adaptor

Long-Sleeve Universal Flange Adaptor

Long-sleeve mechanical connection between a plain pipe end and a flange.

Universal Step Coupling

Universal Step Coupling

Two independently specified sealing ranges in one stepped connection.

MAXI Wide-Range Coupling

MAXI Wide-Range Coupling

MAXI mechanical coupling with size-specific pipe OD ranges.

Universal Coupling

Universal Coupling

Mechanical coupling for joining plain-ended water pipes.

PE Pipe Coupling — Lock-Ring Series

PE Pipe Coupling — Lock-Ring Series

Connect two PE pipe ends using the Lock-Ring series.

Pipe materials: PE
Check both pipe outside diameters and the installation dimensions.

Large-Diameter PE Flange Adaptor

Large-Diameter PE Flange Adaptor

Large-diameter flange connection, selected by the applicable pipe-specific configuration.

Gibault Joint

Gibault Joint

A distinct Gibault coupling design for PVC pipe connections.

Bell Joint Repair Clamp for Ductile Iron Pipes

Bell Joint Repair Clamp for Ductile Iron Pipes

Repair clamp for compatible ductile iron socket-and-spigot joints.

Wide-Range End Cap

Wide-Range End Cap

Pipe-end closure selected by a listed outside-diameter interval.

MAXI Wide-Range Flange Adaptor

MAXI Wide-Range Flange Adaptor

MAXI pipe-to-flange connection with size-specific OD coverage.

Dismantling and Maintenance Access

For installations that require axial adjustment, valve removal or future maintenance access, use a dismantling joint route rather than a standard coupling. Confirm flange drilling, required adjustment range, pressure requirement and installation space before quotation.

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