2 50mm oxygen cylinder pressure test gauge hz

{"cid":"91220446","title":"Factory price 0-4000psi chromed medical use no oil bottom entry 50mm chromed oxygen cylinder pressure gauge","imgUrl":"https:\/\/img.ismap.com\/nimg\/9e\/08\/29ae79b1ebc6952111df1bb7f4ca-200x200-1.jpg","attrs":{"Price":"$2.50\/pieces 1000-1999 pieces","Brand Name":"WYYW","Model Number":"YO-50","Minimum Order Quantity":"1000 pieces","Warranty":"1 year","Customized support":"OEM, ODM","Place of Origin":"Shandong, China","Material":"black steel","Original place":"Made in china","Dial Size":"50mm, or made as requirements","Pressure Range":"Made as requirments, Mpa, bar, psi, kg etc.","Mount":"back or bottom mount","Payment":"various payment methods","Producing experience":"10 years","Certification":"CE,ISO","Packaging Details":"oxygen cylinder pressure gauge
Each unit is packed in one paper box, 30 box in one carton . As customer requested.","Port":"QingDao,ShangHai","Supply Ability":"100000 Piece\/Pieces per Month oxygen cylinder pressure gauge"}}

{"cid":"91189984","title":"1\/2\" NPT oxygen cylinder gauge regulator valve price","imgUrl":"https:\/\/img.ismap.com\/nimg\/1c\/0c\/dec04583db62138abb82af84398d-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"AFK","Model Number":"R12-B","Minimum Order Quantity":"1 Set\/Sets","Place of Origin":"Guangdong, China (Mainland)","Supply Ability":"2000 Set\/Sets per Month","Packaging Details":"In carton. It is upon your request.","Certification":"CE","Material":"Nickel plated brass, stainless steel 316L","Structure":"Diaphragm","Applicable media":"Pure gas, standard gas, corrosive gas","Maximum inlet pressure":"3000psi, 500psi","Outlet pressure range":"0~25, 0~50, 0~100, 0~125, 0~250psi","Temperature":"-10~+74\u00b0C (-40~+165\u00b0F)","Cv":"1.1","Optional":"Panel mounting, relief valve","Port":"Shenzhen"}}