The liquid flow is allowed to flow freely In one direction, while in the opposite direction, the liquid flow is cut off, but if the pressure control signal is applied to the control oil port, the forward flow can be cut off. When have the filter of the check valve,the fluid inside will be filtered.
CU screen net , Strainless net
Cross Reference For 702-21-53120
702-21-53120 7022153120 OD 17*3
702-21-55760, 7022155760 OD 6
708-2L-25480 ,890001787, 708-2L-25480 OD11.5
723-40-82220, 7234082220 OD 8 mm