Coupling (Mufta) Supratherm 25 mm – PP-R plumbing fitting, model 2203978

Supratherm PP-R coupling 25 mm (model 2203978) is a polypropylene random (PP‑R) plumbing fitting designed to join two 25 mm pipes. The fitting is lightweight yet offers high impact, wear and chemical resistance and is suitable for use in hot and cold water distribution systems, air conditioning and heating circuits with service temperatures up to 90°C.

Advantages

The Supratherm PP‑R coupling provides a durable, leak‑resistant joint for 25 mm pipe connections. Its low weight simplifies handling and installation, while the material’s resistance to impact, abrasion and many chemicals ensures long service life in domestic and commercial plumbing and heating applications.

Suitable for

• Hot and cold water supply lines
• Heating circuits and radiators
• Air conditioning systems
• Residential and commercial plumbing installations

Key specifications

• Brand: Supratherm
• Model / MPN: 2203978
• EAN: 5945792203978
• Material: PP‑R (polypropylene random)
• Connection size: 25 mm
• Maximum service temperature: up to 90°C
• Intended use: coupling for joining two 25 mm pipes

How to use

Prepare pipe ends by cutting them square and removing burrs. Fit the coupling onto the cleaned pipe ends using the appropriate polypropylene welding or fusion method recommended for PP‑R systems (socket fusion, butt fusion or electrofusion as applicable). Ensure correct alignment and follow the heating, assembly and cooling times specified by the welding equipment manufacturer to obtain a reliable, leak‑tight joint.

Usage recommendations

Use only approved PP‑R welding equipment and follow local plumbing codes. Verify compatibility of pipe and fitting dimensions before welding. For systems operating near the maximum temperature, consider thermal expansion and provide adequate supports and alignment to prevent stress on joints.