cb t3778 1999 spring closing vent valve

{"cid":"91219628","title":"DN6 Spring Closing Vent Valve with Thread M13 and CB\/T3778-1999 Standard for Marine Applications","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/80\/21\/d5627ebaead398f2495383834a59-200x200-1.jpg","attrs":{"Price":"Discuss personally","Brand Name":"FEIHANG","Model Number":"FH-type","Minimum Order Quantity":"1pcs","Delivery Time":"1-2days","Certification":"Factory certificate, test report, material report","Place of Origin":"Yangzhou, Jiangsu, China","Payment Terms":"100% prepaid","Supply Ability":"100pcs\/days","Packaging Details":"Export packaging","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"}}

{"cid":"91184247","title":"CB\/T3778-1999 Marine sounding self-closing valve, marine bronze sounding self-closing valve","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/0d\/7a\/93f75f1d8f65ad819b01b5d19cd7-200x200-1.jpg","attrs":{"Price":"RMB:850-900\/PCS","Brand Name":"FeiHang","Model Number":"FH","Minimum Order Quantity":"1","Delivery Time":"3-5day","Certification":"Factory certificate","Place of Origin":"Standard of execution","Payment Terms":"T\/T","Supply Ability":"50\/days","Packaging Details":"Export wooden case","Standard of execution":"CB\/T3778-1999","Nominal path":"40A-80A","Main material":"bronze \/ brass"}}