Enercor Industries


Double Ferrule tube fittings

Double ferrule tube fittings are a type of compression fitting used to connect tubes or pipes in a piping system. They consist of four main components: the nut, the back ferrule, the front ferrule, and the fitting body.

The front and back ferrules are thin-walled sleeves that are placed over the tube or pipe before it is inserted into the fitting body. The front ferrule provides a seal against the fitting body, while the back ferrule provides a seal against the tube or pipe. When the nut is tightened, it compresses the ferrules, creating a tight seal between the tube or pipe and the fitting body.


Double ferrule tube fittings offer several advantages over other types of fittings, including:

  1. Leak Tight: Double ferrule tube fittings provide a reliable and leak-tight seal, even in high-pressure and high-temperature applications.

  2. Easy Installation: They are relatively easy to install, requiring only basic tools and equipment.

  3. Reusability: Double ferrule tube fittings can be disassembled and reassembled multiple times without damaging the fitting or the tubing.

  4. Compatibility: They are compatible with a wide range of tube materials, including stainless steel, copper, and plastic.

Double ferrule tube fittings are commonly used in applications where high-pressure and high-temperature conditions are present, such as in the oil and gas, chemical, and power generation industries. They are available in a variety of materials, including stainless steel, brass, and alloy steel, and can be designed for both standard and high-pressure applications.

Double ferrule type fittings provide leak-proof, torque-free seals at the tubing connection. They provide safety and eliminate hazardous leaks of fluids in the instrumentation fields for a process, pressure, hydraulic, and other applicable tubing systems.

 Front Ferrule

 Back Ferrule

 Coupling Cap (Nuts)

 Tube End Closure

 Fitting End Closure


 Reducing Union

 Bulkhead Union

 Bulkhead Reducing Union

 Union Elbow

 Bulkhead Elbow

 Union Tee

 Union Cross

 Male Connector

 O Seal Male Connector

 Male Elbow

 45 Deg. Male Elbow

 45 Deg Positionable Male Elbow

 Positionable Male Elbow

 Male Run Tee

 Positionable Male Run Tee

 Positionable Branch Tee

 Female Connector

 Female Manometer Connector

 Bulkhead Female Connector

 Female Run Tee

 Female Branch Tee

 Male Adapter

 O Seal Male Adapter

 Reducing Union Tee

 Bulkhead Male Connector

 Male Branch Tee

 Female Elbow