JS-E1304 Brass Radiator Valves, Size: 3/8''Mx1/2''F, 1/2''Mx1/2''F.
Technical Requirement:
Before assembling, all parts should be clean, no oil or grease, remove all burrs and sharp edges.
Handle turn or close freely.
After assembling, test by water at pressure no less than 0.6MPA, no leakage.