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KM-style Civil Engineering Materials Series(11)
We handle KM-style weep holes, KM-style filters, KM-style water inlet pipes, KM-style paddy field valves, KM-style infiltration pipes, KM-style drainage outlets, and KM-type simple flap gates.
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Weep hole(12)
A "weep hole" is a drainage pipe equipped with a check valve. It is used to prevent cracks, uneven settlement, and uplift of structures caused by uplift pressure and scouring effects from infiltrating water or seepage flow. Excessive groundwater pressure pushes the rubber valve upward, releasing water into the drainage channel and preventing cracks and uplift in the structure.
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Simple flap gate(4)
The "simple flap gate" is installed on the waterway side of drainage pipes, such as rainwater drainage pipes, to prevent backflow during increased water levels. It opens wider compared to a weep hole, reducing the risk of clogging from debris. The main body is made of PVC, making it convenient for situations where a simple flap gate needs to be installed.
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Filter(8)
Our "filter" can be used not only for weep holes but also as a filter for regular drainage pipes in retaining walls.
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Mizukuchi pipe(9)
The "Mizuguchi Pipe" is used for distributing water from the drainage ditch to the fields. When distributing water, open the valve upwards to allow water to flow. The flow rate can be freely adjusted according to the valve's opening degree. The direction of the valve's opening and closing can move to either the left or right, so please decide the opening and closing direction according to the user's preference.
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Field-side drainage plug(1)
The "field-side water inlet" is used for distributing water from the small irrigation channel to the field. It can be operated from the field side, making it convenient when covering the irrigation channel. During water distribution, the valve is opened to allow water to flow. The water supply amount can be freely adjusted according to the valve opening.
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Paddy field valve(3)
The "paddy field valve" is used for the water supply at the end of the field when delivering irrigation water for paddy fields through open channels and PVC pipes. The water supply amount can be freely adjusted by manually turning the upper cover.
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Permeable pipe(1)
"Permeable pipes" are mesh pipes inserted from the surface into the ground to allow rainwater and other sources to permeate into the soil, thereby replenishing moisture. They can also be used for the underground infiltration of liquid fertilizers and similar substances.
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Drainage outlet(1)
It will be installed at the drainage outlet of the rice field, and the water surface will be adjusted using two water level control boards.
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Rice field dam supplies(1)
This is material for rice paddy dams.
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PVC Pipe Connection Series(3)
We have manufactured various products that can be connected to PVC pipes. KM Type Simple Water Stop Plug 'KMQ Type' This can be used when you want to temporarily stop the inflow (or outflow) from a PVC pipe. It can also be used as a replacement for screw-type caps of inflow pipes that have broken threads or have deteriorated and can no longer be used. When used as a replacement for screw-type caps, it is suitable for VP pipes. KM Type Pipe Inlet Filter 'KMKK Type' This is installed at the entrance of inflow pipes for rainwater retention and infiltration facilities to prevent debris and other materials from entering. It can also be used to prevent small animals from entering through the drainage outlet of rain gutters made of PVC pipes.