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Argo-Hytos Products
HYTOS D03 STACK CHECK VALVE, "B" PORT
The valve allows flow to pass from port A(B)1 to A(B)2 while normally closing flow from A(B)2
to A(B)1 with load. When pressure is applied at pilot port. The flow passes from port 2 to 1.
The valve has three pilot ratios option. This requires at least one-third (ratio 3:1), one-sixth (ratio
6:1) or one-ninth (ratio 9:1) of the load pressure to be applied at the opposite port to open the
valve. The check valve is spring closed to secure the holding position in static conditions and
without load. The valve is offered with optional bias spring ranges for back-pressure control.
HYTOS D03 STACK CHECK VALVE, "A-B" PORT
The valve allows flow to pass from port A(B)1 to A(B)2 while normally closing flow from A(B)2
to A(B)1 with load. When pressure is applied at pilot port. The flow passes from port 2 to 1.
The valve has three pilot ratios option. This requires at least one-third (ratio 3:1), one-sixth (ratio
6:1) or one-ninth (ratio 9:1) of the load pressure to be applied at the opposite port to open the
valve. The check valve is spring closed to secure the holding position in static conditions and
without load. The valve is offered with optional bias spring ranges for back-pressure control.
