500kpa brake valve railway braking system

{"cid":"91209509","title":"JZ-7 Train Brake Valve 500kPa 600kpa Railway Braking System","imgUrl":"https:\/\/img.chinax.com\/nimg\/d8\/45\/054e0f66bb5e376fef2874940c4c-200x200-1.jpg","attrs":{"Price":"Ngotiable","Minimum Order Quantity":"Ngotiable","Delivery Time":"Ngotiable","Payment Terms":"L\/C, T\/T","Supply Ability":"50000 pcs per month","Packaging Details":"Export packaging","Place of Origin":"China","Product Name":"Railway Brake Valve JZ-7 Parts","Ambient temperature":"-40\u2103\uff5e50\u2103","Package":"Export package","Constant pressure of train pipe":"500kPa, 600kpa","Application":"Railway diesel locomotive"}}

{"cid":"91206076","title":"Railway Wagon Derailment Auto Brake Valve Mechanical Acting 54kg\/M Rail","imgUrl":"https:\/\/img.chinax.com\/nimg\/e4\/e4\/2aa65f0c8618d13aa1c4d313681f-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Tieke","Model Number":"ZD","Minimum Order Quantity":"Negotiable","Delivery Time":"1 month","Place of Origin":"China","Payment Terms":"L\/C, T\/T","Supply Ability":"50,000 sets per year","Packaging Details":"Wooden cases","Name":"Railway wagon derailment auto brake valve","Application":"Railway freight wagons","Total capacity of branch air pipeline":"\u2264 1.5 L","Qty":"1 set each axle","Applicable rails":"50 kg\/m or above","Working temperature":"-50\u2103\uff5e+50\u2103","Acting method":"Mechanical","Min radius":"80 m"}}