Midland Industries 1001165 High-pressure Check Valve 1in

Product Description

The MIDLAND INDUSTRIES 1001165 is a high-pressure check valve designed to allow one-directional fluid flow while preventing backflow in demanding hydraulic and fluid-transfer systems. Built with a carbon steel body, it is rated for up to 3000 psi and delivers a flow rate of 36 gallons per minute. The valve features female SAE threaded (UNF) connections and a 1-inch nominal port size, making it a direct fit for high-pressure plumbing and hydraulic line applications. A 5-pound cracking pressure ensures the valve opens reliably under minimal differential pressure. Plumbers, pipefitters, and hydraulic system technicians install this type of valve in industrial and commercial settings.

This check valve is suited for high-pressure hydraulic circuits, industrial fluid systems, and carbon steel piping assemblies where backflow prevention is required. The female SAE threaded connection style is common in hydraulic machinery, mobile equipment, and high-pressure water or oil service lines. At 3000 psi working pressure and a flow capacity of 36 gpm, it handles the demands of commercial and light industrial installations. The compact body measures approximately 5 inches inlet to outlet, keeping it manageable in tight plumbing configurations.

Key Features

• 3000 psi maximum working pressure for high-pressure hydraulic and fluid-transfer service
• 36 gpm flow rate supports high-volume fluid handling
• 5-pound cracking pressure provides reliable, low-resistance valve opening
• Female SAE threaded (UNF) connections for standard hydraulic line compatibility
• Carbon steel body construction for strength and durability in industrial environments
• 1-inch nominal port size fits common high-pressure line configurations

Compatibility

Designed as an OEM-style replacement or new-installation check valve for high-pressure carbon steel hydraulic and fluid-transfer plumbing systems using 1-inch nominal female SAE threaded (UNF) connections.

Installation Notes

Installation should be performed by a licensed plumber, pipefitter, or qualified hydraulic technician. Depressurize and isolate the system fully before removing or installing any check valve. Verify thread type and nominal size match before assembly, and use appropriate thread sealant rated for the working pressure and fluid type. Refer to applicable codes such as the IPC or relevant hydraulic system standards for installation requirements.