Brass Material Products UK

Pros

• Tool-free compression joint needs no solvent cement or soldering
• Standard 15mm size fits the most common UK copper pipe runs
• Demountable if a pipe run needs altering later

Cons

• Olives and nuts can crack if overtightened

Pros

• Isolates a section of pipework for repairs without shutting off the whole system
• Solid brass body resists corrosion in damp under-sink cupboards
• Compression ends suit standard 15mm copper pipe

Cons

• Gate valves can seize if left unused for long periods