fuel tanker stainless steel manual emergency valve

4'' manual stainless steel foot valve

installed on the bottom of the tanker with flange connection, and the seals extend into the tanker. Utilizing stainless steel spring pressure with axial self-sealing to maintain emergency valve in closed state and operate opening and closing by transmission device. External shear groove can effectively absorb the energy from the pipe when the tanker is crashed down. The valve body cuts off from the shear groove and make the tanker and pipe separate to ensure perfect seals, avoid spillage and improve safety.
With perfect design, high flow, high drop to make the max benefit. Triple sealing on piston to reduce maintenance. Lightweight casting structure improves liquidity.