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Grooved Fittings and Couplings in the Philippines

Compare grooved fittings and couplings for piping projects in the Philippines. Match each component style and size to the pipe, groove, gasket, and approved system requirements.

Illustration of an orange grooved coupling with Victaulic lettering, a black gasket and steel bolts
System type
Grooved mechanical piping
Published material
Ductile iron fittings and mechanical couplings

Applications

Grooved components are commonly considered for fire protection, commercial mechanical piping, and selected industrial utilities. The system design and manufacturer instructions determine the exact component and installation method.

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What are grooved fittings and couplings?

Grooved pipe fittings and mechanical pipe couplings join prepared steel pipe ends with a housing, gasket, nuts, and bolts. Elbows, tees, reducers, caps, outlets, and flange adapters complete the piping layout. Grooved joints can simplify maintenance access and component replacement when the system design allows it.

Choose every component as part of one compatible system. For fire, water, air or other specified services, match the pipe outside diameter and groove with the component style, gasket, pressure, temperature, any required listing and manufacturer instructions. Nominal size alone does not confirm compatibility.

Victaulic covers the connection components; Supreme Red is the related fire-sprinkler pipe brand.

Match the parts of the grooved connection.

The cutaway explains the connection. Use the selected manufacturer’s instructions to specify and assemble the actual joint.

Cutaway showing a coupling housing and gasket around two grooved pipe ends
Published illustration. Open full-size image
Pipe ends and grooves
Match actual pipe outside diameter, wall, and groove profile to the selected coupling.
Housing, nuts and bolts
Keep the specified coupling style and its fasteners together. Follow its installation instructions.
Gasket
Select the gasket for the medium, temperature, pressure, and required listing.

A similar appearance or nominal size does not establish compatibility between manufacturers.

Compare grooved fittings and couplings.

Browse rigid and flexible couplings, elbows, tees, caps, reducers, branch outlets, and flange adapters. Use the image, item or style number, and published size set to identify the product your project calls for.

009N red rigid grooved coupling with gasket and fasteners

Rigid grooved coupling

009N Rigid Coupling

Published sizes
2, 2½, 3, 4, 6, and 8 in
Style 75 red flexible grooved coupling with gasket and fasteners

Flexible grooved coupling

Style 75 Flexible Coupling

Published sizes
2, 2½, 3, 4, 6, and 8 in
No. 001 red FireLock 90-degree grooved elbow

Grooved 90-degree elbow

No. 001 FireLock 90° Elbow

Published sizes
2, 2½, 3, 4, 6, and 8 in
No. 003 red FireLock 45-degree grooved elbow

Grooved 45-degree elbow

No. 003 FireLock 45° Elbow

Published sizes
2, 2½, 3, 4, 6, and 8 in
Style 25 red grooved reducing tee

Grooved reducing tee

Style 25 Reducing Tee

Published sizes
4×4×3, 6×6×3, 6×6×4, and 8×8×6 in
No. 002 red FireLock grooved tee

Grooved equal tee

No. 002 FireLock Tee

Published sizes
2, 2½, 3, 4, 6, and 8 in
No. 006 red FireLock grooved end cap

Grooved end cap

No. 006 FireLock End Cap

Published sizes
2, 2½, 3, 4, 6, and 8 in
Style 927 red Mechanical-T with a grooved branch outlet

Mechanical outlet tee

Style 927 Mechanical-T, Grooved Branch

Published sizes
3×2, 4×2, 6×2, 6×3, and 6×4 in
Style 927 red Mechanical-T with an NPT female branch outlet

Threaded mechanical outlet tee

Style 927 Mechanical-T, NPT Female Branch

Published sizes
3×1, 3×1¼, 3×1½, 3×2, 4×2, and 6×2 in
Style 741 red grooved Vic-Flange adapter

Grooved flange adapter

Style 741 Vic-Flange Adapter ANSI

Published sizes
6 and 8 in
No. 50 red grooved concentric reducer

Grooved concentric reducer

No. 50 Concentric Reducer

Published sizes
6×4 in
No. 51 red grooved eccentric reducer

Grooved eccentric reducer

No. 51 Eccentric Reducer

Published sizes
6×4 in

Selection note: Product identities and published size references help identify the requested component. Confirm current availability, approval, and complete system compatibility before ordering.

Check the detailed size references.

Open only the component group you need. Keep its item or style number with the published size and pipe outside diameter during technical review.

Published coupling rangeNominal sizes: 2 to 8 inView tableClose table

Published size reference. Confirm current manufacturer data, actual pipe OD, groove, gasket, finish, pressure, listing, and availability.

StyleComponentPublished nominal sizesinCorresponding pipe ODmm
009N red rigid grooved coupling009NRigid coupling2, 2.5, 3, 4, 6, 860.3, 73.0, 88.9, 114.3, 168.3, 219.1
Style 75 red flexible grooved couplingStyle 75Flexible coupling2, 2.5, 3, 4, 6, 860.3, 73.0, 88.9, 114.3, 168.3, 219.1
Published elbows, tees, and capsNominal sizes: 2 to 8 inView tableClose table

Published size reference for No. 001 90-degree elbows, No. 003 45-degree elbows, No. 002 equal tees, and No. 006 end caps. Confirm the exact component and current technical data.

StyleComponentPublished nominal sizesinCorresponding pipe ODmm
No. 001 red FireLock 90-degree grooved elbowNo. 00190-degree elbow2, 2.5, 3, 4, 6, 860.3, 73.0, 88.9, 114.3, 168.3, 219.1
No. 003 red FireLock 45-degree grooved elbowNo. 00345-degree elbow2, 2.5, 3, 4, 6, 860.3, 73.0, 88.9, 114.3, 168.3, 219.1
No. 002 red FireLock grooved teeNo. 002Equal tee2, 2.5, 3, 4, 6, 860.3, 73.0, 88.9, 114.3, 168.3, 219.1
No. 006 red FireLock grooved end capNo. 006End cap2, 2.5, 3, 4, 6, 860.3, 73.0, 88.9, 114.3, 168.3, 219.1
Published outlets, reducers, and adaptersCombinations: Selected 1 to 8 in sizesView tableClose table

Published combinations. Confirm main and branch OD, thread or groove type, pressure, listing, gasket, and compatibility with the selected system.

StyleComponentPublished combinationsin
Style 25 red grooved reducing teeStyle 25Reducing tee4×4×3; 6×6×3; 6×6×4; 8×8×6
Style 927 red Mechanical-T with a grooved branch outletStyle 927Grooved mechanical tee3×2; 4×2; 6×2; 6×3; 6×4
Style 927 red Mechanical-T with an NPT female branch outletStyle 927NPT mechanical tee3×1; 3×1.25; 3×1.5; 3×2; 4×2; 6×2
Style 741 red grooved Vic-Flange adapterStyle 741Flange adapter6; 8
No. 50 red grooved concentric reducerNo. 50Concentric reducer6×4
No. 51 red grooved eccentric reducerNo. 51Eccentric reducer6×4
Review the grooved-system specification.

Treat pipe, groove, coupling or fitting, gasket, pressure, medium, listing, and installation instructions as one compatible system. Do not assume interchangeability.

Published product profile for Grooved Fittings and Couplings
System typeGrooved mechanical piping
Published materialDuctile iron fittings and mechanical couplings
Published product rangeRigid and flexible couplings, elbows, tees, caps, flange adapters, and reducers
Published sizesSelected products from 2–8 in
CompatibilityCheck the exact pipe, groove, coupling and gasket against the approved system
Selection inputsPipe OD, groove, pressure, medium, temperature, gasket, listing, and installation requirements

Before you order

Do I need a rigid or flexible coupling?

Rigid couplings restrain joint movement. Flexible couplings may allow controlled movement within their published limits. Follow the system designer’s specified style.

How do I request a quotation?

Send a quotation request with the item or style numbers, sizes, quantities, system requirements and delivery location. New customer? Find regional sales contacts for Luzon, Visayas or Mindanao.

Request a quote for fittings and couplings.

Tell us what your piping project needs and share your component list or system specification.

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A Supreme adviser and project professional reviewing steel pipe requirements