"Check valve ""BARGUZIN"" (tee 45 degrees), to prevent the reverse flow of waste water from the vacuum pipeline of the ship sewage system. Body of the check valve: polypropylene grade 1 GOST 26996-86, Diaphragm hose check valve GOST R 57399-2017.
The working capacity of the vacuum interface valve is provided under the following operating conditions: Working vacuum: -30.-60 kPa; working environment - black and grey sewage, fresh and sea water; ambient temperature (air) - from + 1 to +55 C; relative humidity of the environment (air) - up to 90% at a temperature of +35C."
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