Parker DT-1250-MSMS-65 Hydraulic Check Valve 80 Gpm

Product Description

The PARKER DT-1250-MSMS-65 is a hydraulic control check valve designed for high-pressure fluid power systems. It controls flow direction, preventing backflow in hydraulic circuits operating at pressures up to 4,000 psi and flow rates up to 80 GPM. The body is constructed from steel with metal seals, making it suitable for demanding industrial and mobile hydraulic applications. At 2.46 inches in overall length and 1.88 inches in both width and height, it fits in compact manifold or inline configurations. The 1-11/16-12 Male Seal-Lok inlet thread provides a reliable, leak-resistant connection. Licensed hydraulic technicians and fluid power mechanics are the typical installers.

This check valve is intended for inline hydraulic circuit installations where unidirectional flow control and backflow prevention are required. Typical applications include mobile equipment, industrial machinery, and hydraulic power units where high working pressures and significant flow volumes demand a durable, steel-bodied valve. The Male Seal-Lok (MSMS) thread configuration on both ports supports common SAE hydraulic fittings used across a wide range of fluid power systems.

Key Features

• Maximum working pressure of 4,000 psi for high-pressure hydraulic systems
• Maximum flow rate of 80 GPM to support high-volume circuits
• 1-11/16-12 Male Seal-Lok inlet thread for leak-resistant SAE connections
• Steel body construction for durability in industrial and mobile applications
• Metal seal material suited for demanding hydraulic fluid compatibility requirements
• Compact envelope at 2.46 x 1.88 x 1.88 inches for space-constrained installations

Compatibility

Designed as an OEM-style replacement or direct-fit check valve for hydraulic systems using 1-11/16-12 Male Seal-Lok ported connections rated to 4,000 psi working pressure.

Installation Notes

Installation should be performed by a qualified hydraulic technician or fluid power mechanic. Before servicing, depressurize the hydraulic system completely and verify that the hydraulic power unit is shut down and locked out per applicable safety procedures. Ensure thread engagement is correct for the Male Seal-Lok port standard and inspect all fittings for damage before reconnecting. Verify flow direction arrow or port designation against circuit diagrams before final installation.