cb t3778 1999 spring closing vent valve

{"cid":"91219628","title":"CB\/T3778-1999 Self-Closing Valve With Foot Pedal For Sounding Pipe Threaded Ends Withbrinze Weighted Lver","imgUrl":"https:\/\/img.ismap.com\/nimg\/28\/f7\/8075b5d5632e38c02813813b2399-200x200-1.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","DESIGN STANDARDS":"CB\/T3778-1999","Size":"1-1\/2\"(DN40)-3\"(DN80)","Pressure Rating":"PN2.5","Connection Type":"FLANGE","VARIATIONS":"With foot pedal.","Type":"Self Closing","Body Material":"Bronze","WEIGHTED LVER Material":"Cast Iron","Application":"Oil Tank, Water Tank, Ballast Tank"}}

{"cid":"91184247","title":"CB\/T3778-1999 Marine sounding self-closing valve, marine bronze sounding self-closing valve","imgUrl":"https:\/\/img.ismap.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"}}