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Here you can download or print all data sheets and operating instructions as PDF.

Return check valves

The sealing inlays are replaceable.

All the nominal sizes are standard. Other sizes are available on request.

Technical data and dimension sheets are available for all the series listed here. They can be read or downloaded as PDF files.

Check valves

Type: 930
Series: 083
Nominal diameter 15 - 300

Data sheet.pdf (407 KB)*

For liquid, gaseous and aggressive media, and also for use under problematic environmental conditions

Check valves

Type: ZRK / ZRKF
Series: 083
Nominal diameter 32 - 600
PN 10 / 16

Data sheet.pdf
(407 KB)*

Universally applicable to gaseous and liquid media, in oil, air or water systems, and in the chemical industry

* These files require Adobe Reader