The non-return valve type 0/30 is available in four versions:
1) non-return valve type 0/30 for hydraulic transmitters.
2) non-return valve type 0/30SP for transmitters used on systems which require “depressurization”.
3) non-return valve type 0/30L for in line installation.
4) non-return valve type 0/30C for column installation Cetop 3 on electrohydraulic cylinders.



