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1 This product is suitable for providing or draining pipe, disc uses oriented newel of both side , agility open/ciose,which is fits for horizontal installation or vertical installation.
2 The disc uses spring load , which can availably relief the water hammer`s pressure by speediness shut-off. And it has fine sealing, non-yawp closing.
3 Our products have small volume, light weight, low flow resistant,wear resistance, and long life excellence.
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