Internal thread GAS cylindrical ISO 228/1.
The hole of the sphere corresponds to the internal diameter of the tube
Glass fiber reinforced polypropylene
Food NBR
EPDM
Polyamide (nylon 66) PA
Polytetrafluoroethylene (PTFE)
White (RAL 9003)
Red (RAL 3031)
Natural
Dark gray (RAL 7015)