Type 59U

Manufacturer: John Crane

General Purpose DIN, Multi spring, PTFE Wedge Seal
A DIN seal for general low to medium pressure duties in the chemical, refinery, petrochemical and pharmaceutical industries. Alternative seat designs and material options are available to suit product and operating conditions of applications. Typically applications of a corrosive nature, cryogenic and high temperature.

• Complies with European Standard EN 12756, formally DIN 24960, ISO 3069 and API 610 specification for the petrochemical industry.
• A versatile design with multiple material options for the widest range of liquids and temperatures.
• An unbalanced seal with the advantage of being a very short unit fitted to a straight through shaft.
• Multiple S rings ensure even face loading while compensating for acceptable shaft misalignment.

TEMPERATURE LIMITS60°F to 930°F/ 50°C to 400°C

PRESSURE LIMITS247 psi(g)/17 bar(g)

SPEED LIMITS5000fpm/25m/s