Size N 32~DN 600
Pressure N10/PN16/150 psi/200 psi
Standard:
Face to face :EN558-1 Series 20,API609
Flange connection :EN1092 PN6/10/16,ANSI B16.1,JIS 10K
Top flange:ISO 5211
Description: Slight resistance Non-return Backflow Preventer (Flanged Type) TWS-DFQ4TX-10/16Q-D - is a kind of water control combination device developed by our company, mainly used for water supply from urban unit to the general sewage unit strictly limit the pipeline pressure so that the water flow can only be one-way. Its function is to prevent the backflow of the pipeline medium or any condition siphon flow back, in order to ...
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