3 4 npt pressure maintaining valve

{"cid":"91193271","title":"High Temperature Electric Control Valve Differential Pressure Angle Structure","imgUrl":"https:\/\/img.chinax.com\/nimg\/26\/cb\/efef6925458536d2ed6459f4feea-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"kimray","Model Number":"ADL 230 SGT USDP-D","Minimum Order Quantity":"1 Acre\/Acres","Place of Origin":"Afghanistan","Supply Ability":"999 Acre\/Acres per Day","Packaging Details":"Packing type: cardboard box-fumigation wooden box.","Application":"General","Material":"Alloy","Temperature of Media":"High Temperature","Pressure":"High Pressure","Power":"Hydraulic","Media":"Acid","Port Size":"Standard","Structure":"Angle","Standard or Nonstandard":"Standard","Port":"main ports in china"}}

{"cid":"91191363","title":"Original Fisher Gas Regulator 627-1217-29998 Model LPG 2inch NPT End Connection","imgUrl":"https:\/\/img.chinax.com\/nimg\/95\/ae\/542e615302ff16ddb38d3c9b2204-200x200-1.jpg","attrs":{"Price":"USD 330-350 one piece","Brand Name":"Fisher","Model Number":"627-1217-29998","Minimum Order Quantity":"Negotiation","Delivery Time":"3 work-days","Place of Origin":"Made In China","Payment Terms":"T\/T, Western Union, MoneyGram","Supply Ability":"800sets Every Month","Packaging Details":"1set packed in one carton ,each carton size is 29*18*18cm","Name":"Fisher 627-576 Pressure Gas Regulator Use for LPG","End Connetion":"2\" NPT","Inlet Pressure":"250psi\/17.2Bar","Outlet Pressure":"5-20psi","Flow Rat":"400m\u00b3\/h","Body Material":"Ductile Iron","Max. Inlet Pressure of Body":"1000psi","Orifice Size":"1\/2\""}}