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The PARKER F1620S is a steel-body hydraulic control valve designed to regulate flow and pressure in hydraulic circuits. It handles a maximum flow rate of 40 GPM and is rated for up to 3,000 psi working pressure, making it suitable for demanding industrial and mobile hydraulic applications. The inlet is sized at 1-5/16 inches with a 1-5/16-12 UNF thread standard. This valve is installed by hydraulic system technicians and equipment mechanics working on fluid power circuits that require precise flow management and reliable pressure control.
This valve fits hydraulic systems where a 1-5/16-12 UNF threaded connection is specified. Typical applications include industrial machinery, mobile equipment, and hydraulic power units where high-pressure flow control is required. Its 40 GPM capacity and 3,000 psi pressure rating suit a range of medium-to-high-demand hydraulic circuits. The steel construction holds up in environments with elevated system pressure and continuous duty cycles.
Designed as an OEM-style replacement or direct-fit component for hydraulic systems requiring a 1-5/16-12 UNF threaded control valve rated at 40 GPM and 3,000 psi.
Installation should be performed by a qualified hydraulic technician. Depressurize the hydraulic system completely and relieve any stored fluid pressure before removing or installing this valve. Use appropriate thread sealant rated for hydraulic service and verify torque requirements against the equipment manufacturer specifications. Ensure all fittings and connections are inspected for wear or damage prior to returning the system to service.
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