S Tube Putzmeister S Valve
S Tube S Valve
be used into the hopper on concrete pumps
- The S-tube valve is constructed of splineshaft, the tube, and wear sleeve?that have been joined together through welding.
- The splineshaft is made of 38CrMoAL material.
- It has long and short chrome-plated wear sleeves.
- The material is #45 seamless carbon steel tube, with thechrome plating thickness between 0.12mm and 0.16mm.
- Hardness(surface) 900°-1200°,?equals to Rockwell Hardness 68°-72°HRC.
- The inner hole of the S-shaped tube valve is welded up by using wear-resistant welding electrode.
- Technics: Optional gas welding/casting.