discount 70% in 2018-09-17 to 2018-09-19
price: USD$ 478.10
freight :USD$7.00,(Postal parcel)
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How to use the method: open the pipe inspection port, will close the water blocking (pipeline airbag) from the inspection port slowly placed the required location, and then to the closed water plugging (pipeline airbag) inflatable, inflatable to the appropriate pressure is good. Attention should be paid to the reason for placing the fittings at the fittings:
（1There is a joint in the wall, which affects the tightness of water shutoff.
（2Do not inflate to the side. The air pressure can not be reached. If it continues to inflate, it will be broken. For cast iron drainage pipe, clean sand is required, the inner wall is smooth, burr is not allowed, otherwise it will affect the sealing of water plugging, and even pierce the capsule. All kinds of closed water blocking (pipeline air bag) must be used in the corresponding pipe, not with small generation. After checking, release the gas from the air bag and stop the water from the pipe