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Thumbnail Filmstrip of 2404-04-06 | 1/4" JIC Male x 3/8" NPTF Male Pipe 1.42" OAL Images
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Questions & Answers
Popular Questions
To identify JIC fittings, first measure the outer diameter of the male thread or the inner diameter of the female thread using a caliper. Then, compare these measurements to a JIC thread size chart to determine the correct size, ensuring the fitting has a 37-degree flare angle, characteristic of JIC fittings.
NPT (National Pipe Thread) and JIC (Joint Industry Council) 4 are both types of fittings used in fluid systems, but they differ in design and application. NPT fittings have a tapered thread that seals by wedging the threads together, whereas JIC 4 fittings use a 37-degree flare seating surface to create a metal-to-metal seal, providing a more reliable and reusable connection.
JIC stands for "Joint Industry Council," and it refers to a type of thread standard commonly used in hydraulic fittings. JIC threads have a 37-degree flare seating surface, which provides a metal-to-metal seal for high-pressure applications. This standard is widely used due to its reliability and compatibility with various hydraulic systems.
To determine the size of a JIC fitting, first measure the outside diameter of the male thread or the inside diameter of the female thread using a caliper. Then, compare this measurement to a JIC size chart, which will indicate the corresponding fitting size based on the thread diameter. This process ensures accurate identification of the fitting size for proper compatibility and installation.
JIC fittings are sized based on the outer diameter of the tubing they are intended to connect, typically measured in inches. The sizing is denoted by a dash number, which represents the tube size in sixteenths of an inch. For example, a -04 JIC fitting is designed for tubing with an outer diameter of 1/4 inch.
A JIC (Joint Industry Council) fitting will not fit directly into an NPT (National Pipe Tapered) fitting because they have different thread types and sealing methods. JIC fittings use a 37-degree flare for sealing, while NPT fittings rely on tapered threads to create a seal. To connect these two systems, an adapter is typically required.
The 3/8 JIC (Joint Industry Council) fitting refers to a hydraulic fitting with a 3/8-inch outer diameter. The thread type for a 3/8 JIC fitting is 3/8-24 UNF (Unified National Fine) with a 37-degree flare, which provides a seal through metal-to-metal contact. These fittings are commonly used in high-pressure applications.
To measure JIC thread size, first determine the thread diameter by using a caliper to measure the outer diameter of the male thread or the inner diameter of the female thread. Next, identify the thread pitch by using a thread pitch gauge to measure the number of threads per inch. Once you have these measurements, refer to a JIC thread size chart to match them with the appropriate thread size designation.
