8FR625

1/2"
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-
Flange connector RF

The Hoke GYROLOK® Rear Ferrule (FR Series) is the back component of the Gyrolok® tube fitting system. It ensures proper tube alignment and retention by locking the tubing securely in place, working in tandem with the front ferrule for optimal performance.

Available in: 316 Stainless Steel, Brass, Monel, Hastelloy C-276, Incoloy 825, Inconel 625, Titanium, Duplex 2205, Super Duplex 2507, 254 SMO

Sizes: 1/16" to 2" (imperial), 2 mm to 50 mm (metric)

Body material:
Inconel 625
Connection A size:
1/2"
• Provides tube retention and rear-end support in Gyrolok® fittings
• Engineered to prevent tubing blowout under pressure
• Machined from corrosion-resistant alloys for long service life
• Ensures proper alignment and seating with front ferrule
• Designed for high-integrity sealing in critical systems
• Reliable performance in high-pressure, high-vibration environments

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