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Some Terms about Sanitary Fittings

by Adamant Valves

45° Elbow Fitting: A hose fitting with female threads that runs off the end of the hose at 45° angle.

45° Male Elbow: A steel tube fitting that joins two tubes at a 45° angle.

90° Elbow Fitting: A hose fitting with female threads that runs off the end of the hose at a 90° angle.

Adapter: A pipe fitting that extends a run by joining two pipes of different types.

Adjustable Straight Thread O-Ring Fitting: A reusable fitting that is sealed by an O-ring located between the termination of a straight OD thread and a washer and locknut. The adjustable straight thread O-ring fitting can be tightened and fixed in any orientation.

Barb: An angled cylindrical feature on the OD of a fitting that grabs and holds the ID of a hose. Barbs are designed so that hose is easily mounted over the fitting, but is difficult to remove.

Barbed Fitting: A fluid power fitting used with hose. A barbed fitting is characterized by the presence of angled barbs that grab and hold on the ID of a hose.

Bell Reducer: A pipe fitting that extends a run by joining two pipes of different diameter. Often called a reducing coupling.

Bite-Type Fitting: A fitting with a sharpened ferrule that "bites" the tube when compressed. The bite of the ferrule provides the seal.

Cap: A pipe fitting that terminates a run by closing an end. A cap has female threads.

Captive Nut: A nut that is affixed to a fitting and make the fitting rotatable.

Clamp: A mechanical device used to compress the flange against the O-ring in a split-flanged O-ring fitting.

Compression: The force applied when two mating, threaded fitting components are tightened together. Compression is the primary force behind many of the fluid power seals.

Compression Fitting: A type of tube fitting that is sealed by pressure caused by the interaction of threaded portions of the fitting.

Crest: The high point of a thread.

Crimping: The process of mechanically attaching a permanent fitting to the end of a hose. Crimping involves squeezing the metal fitting until it is bound to the hose.

45° Male Elbow: A steel tube fitting that joins two tubes at a 45° angle.

90° Elbow Fitting: A hose fitting with female threads that runs off the end of the hose at a 90° angle.

Adapter: A pipe fitting that extends a run by joining two pipes of different types.

Adjustable Straight Thread O-Ring Fitting: A reusable fitting that is sealed by an O-ring located between the termination of a straight OD thread and a washer and locknut. The adjustable straight thread O-ring fitting can be tightened and fixed in any orientation.

Barb: An angled cylindrical feature on the OD of a fitting that grabs and holds the ID of a hose. Barbs are designed so that hose is easily mounted over the fitting, but is difficult to remove.

Barbed Fitting: A fluid power fitting used with hose. A barbed fitting is characterized by the presence of angled barbs that grab and hold on the ID of a hose.

Bell Reducer: A pipe fitting that extends a run by joining two pipes of different diameter. Often called a reducing coupling.

Bite-Type Fitting: A fitting with a sharpened ferrule that "bites" the tube when compressed. The bite of the ferrule provides the seal.

Cap: A pipe fitting that terminates a run by closing an end. A cap has female threads.

Captive Nut: A nut that is affixed to a fitting and make the fitting rotatable.

Clamp: A mechanical device used to compress the flange against the O-ring in a split-flanged O-ring fitting.

Compression: The force applied when two mating, threaded fitting components are tightened together. Compression is the primary force behind many of the fluid power seals.

Compression Fitting: A type of tube fitting that is sealed by pressure caused by the interaction of threaded portions of the fitting.

Crest: The high point of a thread.

Crimping: The process of mechanically attaching a permanent fitting to the end of a hose. Crimping involves squeezing the metal fitting until it is bound to the hose.


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