cb t 4444 2017 marine air vent

{"cid":"91219628","title":"CB\/T 4444-2017 Marine Mushroom Ventilationl & Marine Mushroom CB\/T 4444-2017 Vent Head carbon steel material","imgUrl":"https:\/\/img.chinax.com\/nimg\/4e\/f1\/bba7159b820ab730dca5afed6b71-200x200-1.jpg","attrs":{"Price":"Discuss personally","Brand Name":"FEIHANG","Model Number":"FH-DN","Minimum Order Quantity":"1pcs","Delivery Time":"7days","Payment Terms":"100% prepaid","Design standards":"B\/T 4444-2017 & CB\/T 295-2000","Pressure":"0.3Mpa","MUSHROOM VENT HEAD stem material":"Stainless Steel","Body Material":"Carbon Steel","Application":"Deck","Packaging Details":"Export packaging","Connection":"Flange","Place of Origin":"Yangzhou, Jiangsu, China","Type":"C-TYPE Internal opening and closing","Supply Ability":"100pcs\/days","Product Name":"MUSHROOM VENT HEAD & MUSHROOM VENTILATIONL","Sealing type\/material":"NBR\/sponge Strip","Certification":"Factory certificate, test report, material report"}}

{"cid":"91184247","title":"(300 type C internal hoist with axial fan ventilator) marine fungus-shaped vent cap C350 CB\/T 4444-2017","imgUrl":"https:\/\/img.chinax.com\/nimg\/4b\/c2\/3a3a501073e6853ebef3618aaaa8-200x200-1.jpg","attrs":{"Price":"USD700.00-USD3000.00","Brand Name":"FEI HANG","Model Number":"C-TYPE","Minimum Order Quantity":"2PCS","Delivery Time":"3-5dys","Certification":"Factory certificate","Place of Origin":"Yangzhou, Jiangsu, China","Payment Terms":"T\/T","Supply Ability":"50PCS\/dsys","Packaging Details":"export package","Executive standard":"CB\/T3657-94","Material":"carbon steel, stainless steel","Nominal diameter":"250-1200","Flange standard":"PN6\/PN10"}}