MT Valves & Fittings product. Compression ring, made of brass. Spare part for Series 66 brass compression fittings and valves. It facilitates the sealing of the joint by compressing the ring on the pipe. Quick and easy to replace. MT’s brass compression fittings and valves are manufactured in accordance with the hot forging method and in accordance with EN 1254-2. They have high temperature and pressure resistance, making them ideal for both hot and cold water fluid handling applications and are suitable for EN 1057:2007 copper and BS4127:1994 stainless steel pipe systems. Available references and published specifications: • 66901028 — measures: SPARE PART - BRASS COMPRESSION O-RING 28; weight (kg): 0.01; small / large box: 50 / 800 • 66901022 — measures: SPARE PART - BRASS COMPRESSION O-RING 22; weight (kg): 0.01; small / large box: 100 / 1500 • 66901018 — measures: SPARE PART - BRASS COMPRESSION O-RING 18; weight (kg): 0.01; small / large box: 100 / 2000 • 66901015 — measures: SPARE PART - BRASS COMPRESSION O-RING 15; weight (kg): 0.01; small / large box: 250 / 2500 Price and local availability on request. Source: https://mtspain.net/en/spare-part-brass-compression-ring/