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The MIDLAND INDUSTRIES FF1FSAE is a flat face SAE O-ring coupler designed for hydraulic quick-disconnect applications. It features a 1-inch flat face coupler on one end and a 1-inch female O-ring boss connection on the other. Constructed from zinc-plated steel, this coupler is rated for a maximum operating pressure of 3000 psi and handles temperatures from -65 to 250 degrees F. Its flat face design minimizes fluid loss and air inclusion during connection and disconnection, making it well-suited for clean-critical or high-pressure hydraulic circuits. Licensed hydraulic technicians and industrial service professionals are the typical installers.
This coupler is used in hydraulic systems requiring SAE O-ring boss thread connections with a flush face interface. It fits into mobile equipment, agricultural machinery, construction equipment, and industrial hydraulic circuits where leak-free connections and low spillage are priorities. The 1-inch body size accommodates moderate-to-high flow hydraulic lines. Its zinc-plated steel construction offers corrosion resistance in demanding field environments.
Designed as an OEM-style replacement or new-installation component for hydraulic quick-disconnect systems using SAE O-ring boss thread interfaces with flush face ISO coupler standards.
Installation should be performed by a qualified hydraulic technician. Depressurize and fully relieve hydraulic system pressure before disconnecting or installing any hydraulic coupler. Inspect O-ring seals for damage or contamination prior to connection to ensure a leak-free joint. Follow applicable hydraulic system service procedures and equipment manufacturer guidelines during installation.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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