Dear customers,
Currently, the printing and shipping of print documents (standards and regulations) are delayed.
If available, you may also order the document in digital download format; it is usually available within a few minutes (or within one business day at the latest if manual review is required).
To convert an existing order, please email international@dinmedia.de, including your order number or customer number.
We apologize for the inconvenience and thank you for your patience.
Your DIN Media
Standard [CURRENT]
Product information on this site:
Quick delivery via download or delivery service
All transactions are encrypted
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.
This document replaces DIN 3236-1:1994-10 , DIN 3236-2:1996-02 , DIN 3237-1:1994-10 , DIN 3237-2:1994-10 , DIN 3237-3:1996-03 .