3 4 npt pressure maintaining valve

{"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\""}}