1) Dimensional Standards :

A) All dimensions are in mm otherwise specified.
B) PTFE sleeve to be provided on request for full vacuum application.
C) Flanges are drilled with standard like    ASA, DIN, BS or JIS depending on   individual customer's  requirement.

2) Material of Construction :

A) Flanges confirms to ASTM A-105 OR IS-2062 or SS 304 or SS 316
B) PTFE is as per Standard resin spec.
     ASTM D 1457 Type II & ASTM D-4894 &      5 type - II