Pre-Sealed HB Gold Buried Type (Fire Fighting Piping Outer Transparent Covering) Different Diameter Sockets

Transparent joint for buried fire extinguishing pressure piping.
[Features]
·Attachment of the rubber ring can be easily confirmed.
·Accurate construction is realized by managing excess screws.
·Made in Japan and won the GOOD DESIGN Award.
[Applications]
·For bends in STPG VS pipes.