
Cast Iron Gate Valves With Elastomeric Obturator Seatings And Inside Screw Stem
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
Specifies, in conjunction with DIN 3352 Part 1, the face-to-face dimensions, pipe mating dimensions and space requirement dimensions, designs, materials, methods of testing and marking of cast iron gate valves with elastomeric obturator seatings and inside stem for general application of the following nominal sizes: DN 25 up to and including 500 for nominal pressure PN4, PN6, PN10 and PN 16 (isomorphic series), DN 25 up to and including 500 for PN 10, and DN 25 up to and including 300 for PN 16.