Free-flow, side-to-nose check valves are on/off circuit components that allow free flow from the inlet (port 2) to the outlet (port 1) and block flow in the opposite direction.

• Two-port check valves share the same cavity for a given frame size, however, pay close attention as flow paths may be in opposite directions.
• These check valves are considered circuit savers for existing circuits where manifold drillings are incorrect. The capacity of side-to-nose (port 2 to port 1) 2-port check valves is approximately 30% less than preferred models with a nose-to-side (port 1 to port 2) flow path.
• Check valves offer extremely low leakage rates with a maximum leakage of less than 1 drop per minute (0,07 cc/min).
• Will accept 5000 psi (350 bar) at ports 1 and 2.
• Cartridges configured with EPDM seals are for use in systems with phosphate ester fluids. Exposure to petroleum based fluids, greases and lubricants will damage the seals.
• Incorporates the Sun floating style construction to minimize the possibility of internal parts binding due to excessive installation torque and/or cavity/cartridge machining variations.

Model CAD Files

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• BK4 ISO 07: Sequence into A with reverse flow check
• BK5 ISO 07: Sequence into B with reverse flow check
• BK6 ISO 07: Sequence out of A with reverse flow check
• BK7 ISO 07: Sequence out of B with reverse flow check
• H24 Ninety degree with reverse flow check - reducing
• H25 Ninety degree with reverse flow check - reducing
• H2D Ninety degree with reverse flow check - reducing
• H2E Ninety degree with reverse flow check - reducing
• H2F Ninety degree with reverse flow check - reducing
• H2L Ninety degree with reverse flow check - reducing
• H2M Ninety degree with reverse flow check - reducing
• H2N Ninety degree with reverse flow check - reducing
• H2P Ninety degree with reverse flow check - reducing
• H2Q Ninety degree with reverse flow check - reducing
• H2W Ninety degree with reverse flow check - reducing
• H2X Ninety degree with reverse flow check - reducing
• H3D Through port 2 with reverse flow check
• H3E Through port 2 with reverse flow check
• H3F Through port 2 with reverse flow check
• H3L Through port 2 with reverse flow check
• H3M Through port 2 with reverse flow check
• H3N Through port 2 with reverse flow check
• H3P Through port 2 with reverse flow check
• H3W Through port 2 with reverse flow check
• H3X Through port 2 with reverse flow check
• H3Y Through port 2 with reverse flow check
• H44 Ninety degree with reverse flow check - reducing
• H45 Ninety degree with reverse flow check - reducing
• H4D Ninety degree with reverse flow check - reducing
• H4E Ninety degree with reverse flow check - reducing
• H4F Ninety degree with reverse flow check - reducing
• H4L Ninety degree with reverse flow check - reducing
• H4M Ninety degree with reverse flow check - reducing
• H4N Ninety degree with reverse flow check - reducing
• H4P Ninety degree with reverse flow check - reducing
• H4Q Ninety degree with reverse flow check - reducing
• H4W Ninety degree with reverse flow check - reducing
• H4X Ninety degree with reverse flow check - reducing
• H4Y Ninety degree with reverse flow check - reducing
• HBJ ISO 08: On B with reverse flow check
• HBK ISO 08: On A, port 3 to T
• HME Cushion lock
• HMF Cushion lock
• HMM Cushion lock
• HMN Cushion lock
• HMX Cushion lock
• HMY Cushion lock
• HNE Cushion lock with shuttle
• HNF Cushion lock with shuttle
• HNM Cushion lock with shuttle
• HNN Cushion lock with shuttle
• HNX Cushion lock with shuttle
• HNY Cushion lock with shuttle
• HPE Cushion lock with make up checks
• HPF Cushion lock with make up checks
• HPM Cushion lock with make up checks
• HPN Cushion lock with make up checks
• HPX Cushion lock with make up checks
• HPY Cushion lock with make up checks
• HQE Cushion lock with make up checks and shuttle
• HQF Cushion lock with make up checks and shuttle
• HQM Cushion lock with make up checks and shuttle
• HQN Cushion lock with make up checks and shuttle
• HQX Cushion lock with make up checks and shuttle
• HQY Cushion lock with make up checks and shuttle
• P44 Ninety degree with reverse flow check - reducing
• P45 Ninety degree with reverse flow check - reducing
• P4D Ninety degree with reverse flow check - reducing
• P4E Ninety degree with reverse flow check - reducing
• P4F Ninety degree with reverse flow check - reducing
• P4L Ninety degree with reverse flow check - reducing
• P4M Ninety degree with reverse flow check - reducing
• P4N Ninety degree with reverse flow check - reducing
• P4P Ninety degree with reverse flow check - reducing
• P4Q Ninety degree with reverse flow check - reducing
• P4W Ninety degree with reverse flow check - reducing
• P4X Ninety degree with reverse flow check - reducing
• P4Y Ninety degree with reverse flow check - reducing
• ZAC ISO 08: On B with reverse flow check, port 3 external
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