AS 2638-1991 PDF

Description

Specifies requirements for valves of inside screw, solid wedge, metal or resilient seated, non-rising stem design in a nominal size range of DN 80 to DN 600. Relates to valves primarily intended for use with potable water, and usually operated by a removable key or handwheel, in buried or above-ground installations, and specifies materials, design, manufacture, operation, testing and marking. Differs from the 1988 edition in that the Standard includes additional performance requirements for the various strength tests including torque tests, and has added flat and raised face flanges and optional internal and external coatings with reduced body thicknesses.

Product Details

Edition:

3rd

Published:

12/31/1990

ISBN(s):

0726269425

Number of Pages:

20

File Size:

1 file , 1 MB

Product Code(s):

10144651

Note:

This product is unavailable in Russia, Belarus