cb t3778 1999 spring loaded vent valve

{"cid":"91219628","title":"DN6 Spring Loaded Vent Valve with Threaded End Compliant with CB\/T3778-1999 Standard","imgUrl":"https:\/\/img.chinax.com\/nimg\/be\/f5\/7fadca8adc5f742d93ea7f5d8ca3-200x200-1.jpg","attrs":{"Price":"Discuss personally","Brand Name":"FEIHANG","Model Number":"FH-type","Minimum Order Quantity":"1pcs","Delivery Time":"1-2days","Place of Origin":"Yangzhou, Jiangsu, China","Certification":"Factory certificate, test report, material report","Packaging Details":"Export packaging","Payment Terms":"100% prepaid","Supply Ability":"100pcs\/days","Type":"Self Closing","Product Name":"SPRING LOADED VENT VALVE DN6\/Spring Closing Vent Valve","DESIGN STANDARDS":"CB\/T3778-1999","Size":"DN6","Ends":"Threaded","Body Material":"BRASS","Connection Type":"Threaded","Manufacturer":"YANGZHOU FEIHANG SHIP ACCESSORIES FACTORY","Total length":"\u224831mm","Threaded Dia":"13mm"}}