Automatic Air Vent Valve 1.Material: brass body 2.Size: 3/8" ,1/2" 3.Certificate: CE, ISO9001:2000, ISO14001:2004 Automatic Air Vent Valve 1.Material: brass body2.Size: 3/8" ,1/2"3. Connection: Male4.max 10bar5.Medium working temperatures: -20°C -120°CCertificates: CE, ISO9001:2000, ISO14001:2004 Product Photo: Competitive Advantages: 1) QA and QC acts according to ISO9001 management.2) Multiple ...