Apejuwe kukuru:

Orukọ: Nikan Orifice Aifọwọyi Aifọwọyi Air Valves, Igbẹhin Igbẹhin, Ifọwọsi UL FM 1. Standard: Ni ibamu si BS EN1074-4: 2000 2.NPT / BSP Igbẹhin Ipari 3.Material: Ductile Iron 4.Iwọn titẹ deede: PN10/16/Class 125 5.Iwọn: 1/2″-1″