External thread GAS cylindrical ISO 228/1
Bucchi srl for pipe fittings adopts as standard connection ISO 228/1; in order to
improve hydraulic seal has decided to create its own internal regulations, based on a soft conical thread. Therefore it is noted that to ensure the hydraulic seal declared it is expected a slight tightening with a key that does not generate the breakage of the coupling.
(See table tightening torque)
The hole of the sphere corresponds to the internal diameter of the tube
Glass fiber reinforced polypropylene
NBR