The chaesu present invention is that the equipment for blocking is most importantly promoted to protect; it protects upper ball and chaesu underground water can be easily pumped; it will not open, equally be that an object connects water tank and regardless of the position of actuating cylinder is that an individual connecting component is not needed using long an amplification factor supply line and chain length. ;The chaesu balls of seal protection for easy pumping device are according to design presently disclosed; it is pumped in each positive power line (3) from facility protective structure and cable (4) connects it with a positive supply pipe end 113 and cableport 114, the ball case 110 of protection is embedded in ground; Being fixed on the outside of protective cover and being connected to ball to enable positive power line fluid communication means includes that 120 chaesu underground water of chaesu is supplied to positive supply; the chaesu devices being connect with positive power line; it holds canopy (122); locking-valve cock; internal underground water was once discharged to the outside of pipe (123) in it, while including a valve means 130 to be discharged into drain pipe valve or cock to the underground water drain pipe of the inside of the water pipe on the ground (124) and underground water for once discharging into internal bypass.
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