Compression Fittings
UNIC is a manufacturer of compression fittings, primarily used in hydraulic systems to connect two pipes. The pipe is tightly secured onto the fitting by compressing a cutting ferrule that grips it. In cases where the pipes are made of different materials, the fittings are produced with one or more compatible materials for the connection. These fittings are suitable for connecting rigid pipes (such as copper, brass, etc.). When assembling plastic pipes, a special reinforcement must be used inside the pipe, reaching the designated support stop.
UNIC offers two series of compression fittings:
Series 1
Nickel-plated as standard, featuring a simple profile ferrule. The threads are fine pitch (even for Ø >8).
Series 5
Raw as standard, with a biconical ferrule, and for Ø > 8, the threads are metric.
Here are the characteristics of our compression fittings:
Standard Availability
Pipe diameter from 4 to 12 mm
Thread Sizes
1/8″ to 1/2″
Materials
Body and Nut: Nickel-plated brass
Seals
NBR (Viton available upon request)
Seeger in
Stainless steel
Pressure Rating
Ø 4 max 130 bar
Ø 6 max 180 bar
Ø 8 max 150 bar
Ø 10 max 110 bar
Ø 12 max 75 bar
Ø 14 max 70 bar
Ø 15 max 70 bar
Temperature Range
-15 C to +80 C
Thread Types
Gas Conical Threads: ISO 7.1, DIN 2999
Gas Cylindrical Threads: ISO 228, Class A
Metric Threads: ISO R/262
Applications
Compressed air, Water, Oil
Compatible Tubing
Copper, Brass, Steel, Aluminum, PA6, PA11, PA12 (only with IR100 reinforcement for plastic pipes)
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