Inquiry (采购产品): Looking for a specfic valve Here is the ratings of the check valve what we are looking for. Temperature : 320 Deg C Oil Viscosity : 1600 CST @ 20 Deg C flow : 400 Lohms Or higher Cracking Pressure : 12 ~ 15 psi Must be a zero leak at closed Should not be bigger than 0.50" dia. Sean **** Hidden Message ***** Clarence hyacinth AB t6e4n2 CAN Company: Can-K Artificial Lift Systems E-mail: seany@can-k.com **** Hidden Message ***** seany@can-k.com