Straight connectors AB (BSP/JIC)
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Straight female-swivel connectors AB BSP/JIC
Straight reduction swivel connectors - reduction from British to American thread
Straight female-swivel connectors AB with BSP to JIC threads. Swivel nut with thread inch - British, male thread inch American UNF-JIC. High-pressure connectors designed for use in high-pressure systems. What are straight AB BSP/JIC connectors? Straight AB BSP/JIC connectors are hydraulic components used to connect hoses and components in hydraulic systems. The abbreviation "BSP" stands for British Standard Pipe, i.e., the British standard for pipe threads, while "JIC" is the Joint Industry Council, referring to the American UNF thread standard. These connectors allow for the connection of components with different thread standards, ensuring tightness and safety in hydraulic systems. Construction : high-quality free-cutting steel covered with a zinc coating protecting against corrosion.
Application of straight AB BSP/JIC connectors
Straight AB BSP/JIC connectors are used in various hydraulic systems where connection of components with different thread standards is required. They are commonly used in the machinery, agricultural, and construction industries, as well as in transport and logistics systems. Their versatility and compatibility with various thread standards make them indispensable in many hydraulic applications.
Straight connectors AB (BSP/JIC) swivel-male reduction adapters BSP to JIC
Straight AB (BSP/JIC) connectors are specialized power hydraulic reduction adapters designed for the seamless connection of two different thread standards: British inch thread BSP (British Standard Pipe) and American fine-pitch inch thread JIC (Joint Industry Council / UNF). The AB type design features a swivel nut with an internal thread (A side) on one side and a male external thread (B side) on the other, allowing for quick assembly in the hose axis without twisting the pressure hoses. These connectors provide a transition between a 60° cone seal (characteristic of BSP connections) and a 74° / 37° cone seal (JIC standard according to SAE J514 / ISO 8434-2). Made of high-grade free-cutting steel protected with an anti-corrosion zinc coating, straight AB BSP/JIC connectors guarantee complete tightness, resistance to high operating pressures (up to 315–400 bar) and reliable performance during the adaptation of American equipment in agricultural, construction, forestry and industrial machinery.
Application and technical characteristics of straight AB (BSP/JIC) connectors
AB (BSP/JIC) adapter fittings are indispensable when integrating hydraulic components manufactured to American standards with installations in European (British) standards. The use of a swivel nut significantly reduces service work time and eliminates torsional stresses in flexible working hoses.
- Connecting two different thread standards: The connectors allow for smooth adaptation of BSP nuts and threads (e.g., 1/4", 3/8", 1/2", 3/4", 1") with JIC cone seats (e.g., 7/16", 9/16", 3/4", 7/8", 1.1/16" UNF).
- Swivel-male construction (A-B): The swivel nut on side A eliminates the rotation of the entire body during tightening, which facilitates work in tight assembly spaces.
- Double cone tightness guarantee: Precise machining of the 60° cone (BSP) and 74° cone (JIC) seats ensures 100% mechanical metal-to-metal tightness without the need for additional seals.
- Resistance to high pressures and shocks: The massive steel body withstands operating pressures reaching 315–400 bar and shows high resistance to vibrations and pressure pulsations.
- Durable anti-corrosion protection: The zinc coating with white passivation effectively protects the body against moisture, salt and mineral and synthetic oils.
Why choose straight AB (BSP/JIC) connectors at the HYDRON store?
Straight AB (BSP/JIC) connectors supplied by the HYDRON brand are manufactured according to the strict guidelines of ISO 8434-6 (for BSP threads) and SAE J514 / ISO 8434-2 (for JIC threads). The perfect fit of the seating cone angles excludes the risk of pressure build-ups and micro-leakages of hydraulic oil, guaranteeing trouble-free machine operation. A wide range of combined sizes allows for the elimination of cascading several adapters on one connection. For comprehensive construction and service of pressure control systems, we recommend selecting other components from our offer, such as flexible hydraulic hoses, matching steel hose fittings, self-sealing test points and reliable hydraulic quick couplings.
Technical specification
| Technical parameter | Value / Description |
|---|---|
| Product category | Straight AB (BSP/JIC) connectors – swivel-male reduction adapters |
| Connection type | Straight A-B (A = female swivel nut, B = male external thread) |
| BSP thread standard | British Standard Pipe Parallel BSP / BSPP (G 1/8", 1/4", 3/8", 1/2", 3/4", 1") – 60° cone |
| JIC / UNF thread standard | American Unified Fine inch thread (7/16", 9/16", 3/4", 7/8", 1.1/16", 1.5/16" UNF) – 74° (37°) cone |
| Materials and surface protection | Free-cutting / weldable steel, electro-galvanized (white passivation) |
| Maximum working pressure | from 315 bar to 400 bar (depending on connection size) |
| Compliance with standards | ISO 8434-6 (BSP), SAE J514 / ISO 8434-2 (JIC), BS 5200 |
| Operating temperature range | from -20°C to +120°C (for hydraulic oil) |
Frequently Asked Questions (FAQ)
What is the difference between BSP and JIC threads?
BSP (British Standard Pipe) thread is a British parallel thread with a 55° profile angle and a 60° sealing cone. JIC (Joint Industry Council) thread is an American UNF fine thread with a 60° profile angle and a 74° sealing cone (where the seat inclination angle is 37°).
What does the AB symbol in the BSP/JIC connector name mean?
The AB designation indicates the connector design: side A is equipped with a swivel nut with an internal thread (female), and side B has an external thread (male). This allows for connecting the female or male part of the circuit without twisting the attached hose.
In which machines are BSP/JIC adapter fittings used?
BSP/JIC straight connectors are commonly used during repairs and adaptations of agricultural, forestry and construction machines of American manufacture (e.g., John Deere, Caterpillar, Case, Bobcat) to accessories or hoses with European BSP threads.
Do you need to use Teflon tape for a 60° BSP or 37° JIC cone connection?
No. Both the 60° BSP and 74°/37° JIC cone connections seal mechanically on the metal-to-metal contact surface during tightening. Using hemp or Teflon tape on the cones is unnecessary and not recommended.