Our Bal Seal® spring-energized large diameter seals offer big performance advantages in critical equipment. Designed to handle slow-speed rotary and reciprocating applications, our one-piece seals provide OEM designers and end users with excellent resistance to wear, extrusion and chemicals — all of which translates into more uptime and profitability. Our low-friction seals are energized with a Bal Spring® canted coil spring, which promotes even wear and prolongs service life. They are available in select profiles and a variety of materials, including:
Filled PTFE seals are available in sizes up to 120 in. ID. Thermoplastics, which can be incorporated into backup designs, are available in sizes up to 94 in. ID. See table 1 below for material operating ranges and sizes.
|Min Temp||-450 °F||-450 °F||-450 °F||-450 °F||-450 °F|
|Max Temp||450 °F||500 °F||475 °F||500 °F||500 °F|
|Max Size (ID)||120 in.||120 in.||120 in.||120 in.||120 in.|
Table 1. Large diameter seal operating ranges and sizes.
Our large diameter seals answer a growing demand for high-performance sealing across a variety of industries. Examples include:
Bal Seal® large diameter seals feature proven canted coil spring technology and a variety of seal jacket material formulations. Geometries can be customized to meet demanding application requirements.