It reduces environmental impact by eliminating losses due to hydraulic oil leakage during attachment and detachment.
"FIRG" was developed in 1983 as the original flat face coupling. The development of this series was a significant reform in the market for self-sealing couplings. Widely used in hydraulic applications, the "FIRG" series has established itself as a leading model in line with the ISO16028 compatibility standard over time. Due to its high durability and various advantages, the "FIRG" series is increasingly recognized and used by hydraulic equipment manufacturers. Please use it to prevent oil leakage and contamination intrusion. 【Features】 ○ The flat face is easy to clean and effectively reduces contamination intrusion into the system. ○ There is no loss due to leakage of hydraulic oil during connection and disconnection, reducing environmental impact. ○ Air entrapment during connection and disconnection is minimized, aiding optimal system operation. ○ The design of internal components to promote laminar flow prevents turbulence and minimizes pressure loss, helping to maintain system efficiency. ○ Strong against peak pressure. For more details, please contact us or download the catalog.
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basic information
【Features】 ○ Compatible with ISO 16028 (sizes 6.3 to 25) and HTMA (size 10) ○ Surface treatment: Trivalent chromium conversion zinc plating ○ Mechanical connection: Locking ball type ○ Connection method: Connect by pressing one side against the opposing component ○ Disconnection method: Pull the female sleeve ○ Connection under pressure: Not possible ○ Disconnection under pressure: Not possible ○ Selectable threads: BSP, NPT, SAE ○ Structural material: Carbon steel ○ Valve system: Flat face ○ External spring: AISI 302 ○ Internal spring: C72 steel ○ Locking ball: Hard steel 100 C6 ○ Seal: Standard NBR (Nitrile) ○ Special seal: Viton and others ○ Backup ring: PTFE ● For more details, please contact us or download the catalog.
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Applications/Examples of results
【Applications】 ○ Construction machinery ○ Hydraulic equipment ○ Vehicles ○ Industrial machinery ● For more details, please contact us or download the catalog.
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Company information
Since our establishment, TOHTO has valued the trust and achievements we have cultivated, providing our customers with hydraulic equipment and related devices along with our extensive experience and services. We will continue to enhance our product lineup to meet the diverse needs of various industries and applications, and conduct performance evaluations to respond to the required demands and technical challenges at a higher level, ensuring the ideal supply of products in the future.