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The 1BG BSP male hydraulic fitting is a versatile, metric-compatible component engineered to deliver flexible, reliable connections for hydraulic systems—ideal for industrial machinery, hydraulic power units, and heavy-duty fluid transfer applications.

Its defining advantage lies in its dual-use design: specifically crafted to adapt to both 60° cone seats and bonded seals/O-rings. This flexibility eliminates the need for multiple fitting types, simplifying inventory management and installation. When paired with a 60° cone seat, it creates a precision metal-to-metal seal that withstands high pressure and vibration; when used with a bonded seal or O-ring, it enhances leak tightness by conforming to minor surface irregularities, ensuring consistent performance even in dynamic operational conditions.
Featuring BSP male threads, the fitting aligns with standard inch-threaded hydraulic components while maintaining metric system compatibility—bridging inch and metric setups for broader usability. Its robust construction is tailored for hydraulic environments, resisting corrosion from hydraulic fluids and wear from repeated assembly/disassembly, thus extending service life.
Though optimized for general hydraulic use, the 1BG fitting inherits the durability expected of high-performance hydraulic components, supporting reliable operation in demanding scenarios such as construction equipment, agricultural machinery, and industrial hydraulic circuits. Its user-friendly design streamlines installation, reducing downtime and labor costs for maintenance or system upgrades.
In summary, the 1BG BSP male hydraulic fitting combines dual-sealing versatility, metric compatibility, and hydraulic-specific durability—making it a practical, cost-effective solution for professionals seeking flexible, leak-proof connections in metric-based hydraulic systems.
Specification
| PART NO. | THREAD | O-RING | DIMENSIONS | ||||
| E | F | F | A | B | L | S1 | |
| 1BG-02 | G1/8"x28 | G1/8"x28 | O011 | 10 | 9.5 | 27 | 14 |
| 1BG-04 | G1/4"x19 | G1/4"x19 | O111 | 12 | 11 | 31 | 19 |
| 1BG-04-06 | G1/4"x19 | G3/8"x19 | O113 | 12 | 11.5 | 32 | 22 |
| 1BG-06 | G3/8"x19 | G3/8""x19 | O113 | 13.5 | 11.5 | 33 | 22 |
| 1BG-06-04 | G3/8"x19 | G1/4"x19 | O111 | 13.5 | 11 | 32.5 | 22 |
| 1BG-06-08 | G3/8"x19 | G1/2"x14 | O115 | 13.5 | 14 | 38.5 | 27 |
| 1BG-08 | G1/2"x14 | G1/2"x14 | O115 | 16 | 14 | 41 | 27 |
| 1BG-08-06 | G1/2""x14 | G3/8"x19 | O113 | 16 | 11.5 | 36 | 27 |
| 1BG-08-12 | G1/2"x14 | G3/4"x14 | O119 | 16 | 15.5 | 45.5 | 32 |
| 1BG-10-08 | G5/8"x14 | G1/2"x14 | O115 | 17.5 | 14 | 44.5 | 30 |
| 1BG-12 | G3/4"x14 | G3/4"x14 | O119 | 18.5 | 15.5 | 46 | 32 |
| 1BG-12-08 | G3/4"x14 | G1/2"x14 | O115 | 18.5 | 14 | 45.5 | 32 |
| 1BG-16-08 | G1"x11 | G1/2"x14 | O115 | 20.5 | 14 | 50.5 | 41 |
| 1BG-16 | G1"x11 | G1"x11 | O217 | 20.5 | 18 | 53 | 41 |
| 1BG-16-12 | G1"x11 | G3/4"x14 | O119 | 20.5 | 15.5 | 52 | 41 |
| 1BG-20 | G1.1/4"x11 | G1.1/4"x11 | O222 | 20.5 | 20 | 58.5 | 50 |
| 1BG-24 | G1.1/2"x11 | G1.1/2"x11 | O224 | 23 | 21.5 | 62.5 | 55 |
| Fend is connected with DIN3852 port. | |||||||
The 1BG BSP male hydraulic fitting is a versatile, metric-compatible component engineered to deliver flexible, reliable connections for hydraulic systems—ideal for industrial machinery, hydraulic power units, and heavy-duty fluid transfer applications.

Its defining advantage lies in its dual-use design: specifically crafted to adapt to both 60° cone seats and bonded seals/O-rings. This flexibility eliminates the need for multiple fitting types, simplifying inventory management and installation. When paired with a 60° cone seat, it creates a precision metal-to-metal seal that withstands high pressure and vibration; when used with a bonded seal or O-ring, it enhances leak tightness by conforming to minor surface irregularities, ensuring consistent performance even in dynamic operational conditions.
Featuring BSP male threads, the fitting aligns with standard inch-threaded hydraulic components while maintaining metric system compatibility—bridging inch and metric setups for broader usability. Its robust construction is tailored for hydraulic environments, resisting corrosion from hydraulic fluids and wear from repeated assembly/disassembly, thus extending service life.
Though optimized for general hydraulic use, the 1BG fitting inherits the durability expected of high-performance hydraulic components, supporting reliable operation in demanding scenarios such as construction equipment, agricultural machinery, and industrial hydraulic circuits. Its user-friendly design streamlines installation, reducing downtime and labor costs for maintenance or system upgrades.
In summary, the 1BG BSP male hydraulic fitting combines dual-sealing versatility, metric compatibility, and hydraulic-specific durability—making it a practical, cost-effective solution for professionals seeking flexible, leak-proof connections in metric-based hydraulic systems.
Specification
| PART NO. | THREAD | O-RING | DIMENSIONS | ||||
| E | F | F | A | B | L | S1 | |
| 1BG-02 | G1/8"x28 | G1/8"x28 | O011 | 10 | 9.5 | 27 | 14 |
| 1BG-04 | G1/4"x19 | G1/4"x19 | O111 | 12 | 11 | 31 | 19 |
| 1BG-04-06 | G1/4"x19 | G3/8"x19 | O113 | 12 | 11.5 | 32 | 22 |
| 1BG-06 | G3/8"x19 | G3/8""x19 | O113 | 13.5 | 11.5 | 33 | 22 |
| 1BG-06-04 | G3/8"x19 | G1/4"x19 | O111 | 13.5 | 11 | 32.5 | 22 |
| 1BG-06-08 | G3/8"x19 | G1/2"x14 | O115 | 13.5 | 14 | 38.5 | 27 |
| 1BG-08 | G1/2"x14 | G1/2"x14 | O115 | 16 | 14 | 41 | 27 |
| 1BG-08-06 | G1/2""x14 | G3/8"x19 | O113 | 16 | 11.5 | 36 | 27 |
| 1BG-08-12 | G1/2"x14 | G3/4"x14 | O119 | 16 | 15.5 | 45.5 | 32 |
| 1BG-10-08 | G5/8"x14 | G1/2"x14 | O115 | 17.5 | 14 | 44.5 | 30 |
| 1BG-12 | G3/4"x14 | G3/4"x14 | O119 | 18.5 | 15.5 | 46 | 32 |
| 1BG-12-08 | G3/4"x14 | G1/2"x14 | O115 | 18.5 | 14 | 45.5 | 32 |
| 1BG-16-08 | G1"x11 | G1/2"x14 | O115 | 20.5 | 14 | 50.5 | 41 |
| 1BG-16 | G1"x11 | G1"x11 | O217 | 20.5 | 18 | 53 | 41 |
| 1BG-16-12 | G1"x11 | G3/4"x14 | O119 | 20.5 | 15.5 | 52 | 41 |
| 1BG-20 | G1.1/4"x11 | G1.1/4"x11 | O222 | 20.5 | 20 | 58.5 | 50 |
| 1BG-24 | G1.1/2"x11 | G1.1/2"x11 | O224 | 23 | 21.5 | 62.5 | 55 |
| Fend is connected with DIN3852 port. | |||||||