задвижка с упругим седлом

Overall plastic bags: bs5163 задвижка с упругим седлом by whole plastic bags, its good coated with performance and precise geometry size, ensure reliable sealing and long service life.
Weight: body adopt ball iron into, легкий вес, удобная установка.
Flat seat: the bottom adoption and conduit of the same flat type seat design, do not produce sundry deposition, sealed more reliable.