Blowout valve is pressure equipment device for cleaning concrete pipe tube and concrete pumping rubber hoses. The blow out valve have good design, because it has space between inlet and outlet valve to allow the blowout ball to come back against the cap without blocking the air discharge.
The blowout valve is made of 16MnR and the seal is made of fluororubber.
| C | Si | Mn | P | S |
| ≤0.20 | 0.20-0.55 | 1.20-1.60 | ≤0.035 | ≤0.030 |
Blowout valve is using for cleaning out concrete pumping hoses and concrete pipe tube after pouring.