Non-return valve for 8 mm tubes

Non-return valve for 8 mm tube
Non-return valve 8 mm tube
 

Steel, surface chrome-VI free, galvanised

Item N°. D G G1 L SW Serie pcs./bag
1018-004 8 M 10 x x1 M 12 x 1 35,5 12 LL 100

Matching nuts and cutting rings can be found here:

Coupling nut
Cutting rings