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Anonymous users2024-01-23The technical characteristics of the five-proof valve are: pressure change, air pulling, fire prevention, oil removal, check return, etcAll-in-one integration. The five defenses refer to the "five preventions" of gas blockage, backfilling, fire, oil accumulation, and failure.
It mainly relies on the principle of airflow. Otherwise, there is still a problem of inadequate control. Wanju Technology's pressure swing pull valve is a reliable product in the kitchen smoke exhaust valve, which effectively and completely solves the problem of oil smoke.
Toilet overflow preventer: It is a device designed for the problem of backwater in the toilet toilet, when the sewage in the water pipe is backflowed, the toilet overflow preventer can block it and prevent sewage and odor from entering the home. >>>More
1. Enlarge the smoke exhaust hole by a small part, and the check valve can be installed in. >>>More
It's your own business.
You will have a better home in the future. >>>More
Put several layers of soft plastic on the inner wall of 15cm, and seal it with glue to see that the inner diameter is suitable, and you can link it.