McAlpine T13ISON 1.5" Blue Imperial Compression Ring

McAlpine T13-ISON 1½″ Blue Imperial Compression Ring

Product Description

The McAlpine T13‑ISON is a precision-engineered compression ring for 1½″ (38 mm) imperial copper pipe fittings. Featuring a corrosion-resistant isolating sleeve, it ensures strong, watertight connections in waste, trap, or pipe assembly systems.

Key Features

• Pipe Size: Designed specifically for 1½″ imperial (BSP) copper or brass pipes

• Material: Brass compression ring with a blue plastic (isorubber) isolating sleeve

• Sleeve Function: Prevents electrolytic corrosion by isolating dissimilar metals during compression

• Wash Design: Tapered to seat and seal firmly when tightened inside a compression fitting

Advantages

• Enhanced Durability: Brass ring plus plastic sleeve resists corrosion and ensures long-lasting performance 

• Reliable Sealing: Achieves tight compression, creating a leak-free seal in standard fittings

• Protective Sleeve: Isolates copper pipe from brass components, reducing risk of galvanic reaction 

• Quick to Install: Fits into compression joints without special tools

Recommended Applications

• Copper Pipe Installations: Ideal for waste, trap, or hot/cold copper pipe fittings requiring compression seals

• Plumbing Maintenance: Replaces worn or corroded compression rings during renovation or repair

• Cross-Metal Installations: Recommended when joining copper to brass to prevent corrosion

Summary

The McAlpine T13‑ISON 1½″ Blue Imperial Compression Ring is a dependable, anti-corrosion component for copper plumbing assemblies. Its brass body and isolating sleeve ensure robust seals and protection against galvanic wear, making it ideal for durable plumbing connections.