2. Material: Welded pipe16Mn, Shaft 38 CrMoAl, #45 steel, Hardfacing for pipe inner wall
3. Lifetime> 50, 000cbm
4. HRC≥ 63
5. Application: Shotcrete, trailer and concrete pump truck
S-Valve technology has been proven to be most economical way to switch from one delivery cylinder to the other. The advantage of one side wear and tear and the ability to adjust the gap between the spectacle plate and the wear ring makes the S-valve technology as the most economical solution.