John Crane 59URK - General Purpose DIN, multi spring, PTFE Wedge Seal
A DIN seal for general low to medium pressure duties in the Chemical,
refinery, petrochmical and Pharmaceutical industries.
Alternative seat designs and material options are availble to suit product and operating conditions of applications.
Typically applications of a corrosive nature, cryogenic and high temperature.
-60 F to +930° F
-50° C to +400° C
To 247 psig/17 barg
To 5,000 fpm/25 m/s
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
An unbalanced seal with the advantage of being a very short unit fitted to a straight through
shaft. Multiple srings ensure even face loading whilst compensating for acceptable shaft