Overview

This document specifies requirements for sight flow indicators with circular sight glass plates intended to be installed in pipes with flanged ends, threaded ends, socket welding ends or butt welding ends and are used to monitor flow. The ranges of PN and Class comprise: - PN 16; PN 25; PN 40; Class 150; Class 300. The range of DN comprises: - DN 15; DN 20; DN 25; DN 32; DN 40; DN 50; DN 65; DN 80; DN 100.

Document: references other documents

Responsible national committee

NA 003-01-11 AA - Valves and special valves for process industry, liquified natural gas and for the distribution of natural gas and petrochemical industry