Description
A rigid grooved coupling joins two grooved steel pipes with a firm, leak-tight connection. It has two ductile iron housings, a rubber gasket and two bolts. As a result, you can join pipes in minutes without welding. We stock grooved couplings at our showroom in Nad Al Hamar, Dubai, for fire and HVAC contractors across the UAE.
First, choose rigid couplings where you want the pipe to stay straight, such as risers and plant rooms. Next, choose flexible couplings where the pipe must take movement or vibration. Also, check the pressure rating for each size before you order. In addition, we stock matching elbows, tees and flange adaptors.
Why Choose Our Rigid Grooved Coupling
- Fast to install: Two bolts and a gasket replace welding or flanges.
- Holds alignment: Because the housing grips the groove, the joint stays rigid like a weld.
- Easy maintenance: You can open the joint to clean or change a section.
- Clean job site: In addition, there is no hot work, fumes or fire watch.
Rigid Grooved Coupling: Specifications
| Parameter | Specification |
|---|---|
| Housing | Ductile iron to ASTM A536 |
| Gasket | EPDM (water), nitrile on request (oil) |
| Bolts | Carbon steel, zinc plated |
| Sizes | Common sizes from 1″ to 12″ |
| Finish | Red painted or galvanised |
Where They Are Used
- Fire protection: for example, sprinkler mains and risers.
- HVAC: for instance, chilled water and condenser lines.
- Water supply: such as pump rooms and building mains.
- Industry: in particular, cooling water and process lines.
Order from Our Dubai Showroom
Firstly, visit Showroom No. 14, Nad Al Hamar, Dubai to collect from the counter. Alternatively, send your list to +971 4 285 1521 or on WhatsApp at +971 50 486 7233 for a same-day quote. You can also see our grooved fittings, the grooved reducing tee or read about pipe fittings.







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