self closing sounding cap with locking device

{"cid":"91219628","title":"SOUNDING PIPE HEAD- NC NO. 37AF-40a FILLING CAP NC NO. 37AFK FILLING CAP WITH LOCKING DEVICE MODELS 37AF(K)-50 TO 100","imgUrl":"https:\/\/img.ismap.com\/nimg\/da\/11\/ca95daad0788cebbfcfef12a6edc-200x200-1.jpg","attrs":{"Price":"Discuss personally","Brand Name":"FEIHANG","Model Number":"37AS,37AF","Minimum Order Quantity":"5pcs","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","Application":"Ship Deck","Packaging":"Carton","Name":"Sounding Cap","Model":"37AS,37AF","Shape":"Cylindrical","Pressure Rating":"150 PSI","Temperature":"High Temperature","Connection":"Thread","Material":"Cap-Copper,Base - Carbon Steel"}}