The internal selection of the external storage is 10-15mm larger than the outer diameter of the main pipe. [……]
2 11月, 2020
The internal selection of the external storage is 10-15mm larger than the outer diameter of the main pipe. [……]
Twin wall elbow is created with research of us and need of the market. Its service life and working pressure are better than the casting. Besides.
[……]
The Concrete Pump Boom Elbow is made of special quality steel which is quenched and carried out carburizing chemical treatment on the inner wall.[……]
The Concrete Pump Boom Elbow is made of special quality steel which is quenched and carried out carburizing chemical treatment on the inner wall.[……]
The inner pipe wall is case hardened by CNC high-frequency induction hardening machine. [……]