Cb Spb 1f Iso 7241 B Hydraulic Quick Coupling Easy Connections
CB-SPB-1F ISO 7241-B Hydraulic Quick Coupling | Carterberg
Key Features
Material & Sealing Options
Designed with affordability and compatibility in mind, CB-SPB-1F supports multiple materials (steel, brass, stainless) and seal options depending on system needs:
| Seal Material | Max Temperature |
| Buna-N | -40°C to +121°C |
| Neoprene | -54°C to +100°C |
| EPDM | -54°C to +149°C |
| FKM | -29°C to +204°C |
Ideal for water lines, compressed air, light hydraulic oil systems, and more.
Technical Specifications
| Size (Inches) | Rated Pressure (psi) | Flow Rate (gpm) |
|
1/8" |
3000 | 0.8 |
| 1/4" | 2700 | 3 |
| 3/8" | 2200 | 6 |
| 1/2" | 2250 | 12 |
| 3/4" | 2000 | 26 |
| 1" | 1500 | 50 |
| 1-1/4" | 1200 | 76 |
| 1-1/2" | 1500 | 99 |
| 2" | 700 | 200 |
• Mounting Types: Threaded (BSPP / NPT / SAE)
•Working Temperature: Based on selected seal
Product Visual & Dimensions
This coupling set features plug + socket, designed for simple installation and cost-aware system layouts.
• Pairing plug and socket sets with varied threads
• Threaded plug showing ball-lock structure
| Body Size | PARTNO. | Thread | C | D | E | HEX |
| 1/8" | CB-P1B-1FG | 1/8-27 | 1.26 | 0.65 | 0.44 | 0.56 |
| 1/8" | CB-P1B-1FG | 1/8-27 | 1.26 | 0.65 | 0.44 | 0.56 |
| 1/4" | CB-P2B-1FG | 1/4-19 | 1.52 | 0.87 | 0.56 | 0.75 |
| 1/4" | CB-P2B-1FN | 1/4-18 | 1.52 | 0.87 | 0.56 | 0.75 |
| 3/8" | CB-P3B-1FG | 3/8-19 | 1.76 | 1.01 | 0.61 | 0.88 |
| 3/8" | CB-P3B-1FN | 3/8-18 | 1.76 | 1.01 | 0.61 | 0.88 |
| 1/2" | CB-P4B-1FG | 1/2-14 | 2.03 | 1.30 | 0.76 | 1.13 |
| 1/2" | CB-P4B-1FN | 1/2-14 | 2.03 | 1.30 | 0.76 | 1.13 |
| 3/4" | CB-P6B-1FG | 3/4-14 | 2.36 | 1.52 | 0.71 | 1.31 |
| 3/4" | CB-P6B-1FN | 3/4-14 | 2.36 | 1.52 | 0.71 | 1.31 |
| 1" | CB-P8B-1FG | 1-11 | 2.85 | 1.88 | 0.97 | 1.63 |
| 1" | CB-P8B-1FN | 1-11 | 2.85 | 1.88 | 0.97 | 1.63 |
• Disconnected socket showing poppet valve
| Body Size | PARTNO. | Thread | A | B | Across Flats |
| 1/8" | CB-S1S-1FG | 1/8-27 | 1.91 | 0.98 | 0.56 |
| 1/8" | CB-S1S-1FN | 1/8-27 | 1.91 | 0.98 | 0.56 |
| 1/4" | CB-S2S-1FG | 1/4-19 | 2.26 | 1.17 | 0.75 |
| 1/4" | CB-S2S-1FN | 1/4-18 | 2.26 | 1.17 | 0.75 |
| 3/8" | CB-S3S-1FG | 3/8-19 | 2.56 | 1.42 | 0.88 |
| 3/8" | CB-S3S-1FN | 3/8-18 | 2.56 | 1.42 | 0.88 |
| 1/2" | CB-S4S-1FG | 1/2-14 | 2.96 | 1.86 | 1.13 |
| 1/2" | CB-S4S-1FN | 1/2-14 | 2.96 | 1.86 | 1.13 |
| 3/4" | CB-S6S-1FG | 3/4-14 | 3.48 | 2.22 | 1.31 |
| 3/4" | CB-S6S-1FN | 3/4-14 | 3.48 | 2.22 | 1.31 |
| 1" | CB-S8S-1FG | 1-11 | 4.13 | 2.61 | 1.75 |
| 1" | CB-S8S-1FN | 1-11 | 4.13 | 2.61 | 1.75 |
Application Scenarios
Brand Interchange Compatibility
Why Choose CB-SPB-1F?
| Feature | Value |
| Compact size | Easy fit into restricted installations |
| Reliable ball-lock design | Smooth connect/disconnect cycles |
| Broad compatibility | Interchangeable with leading brands |
| Budget-conscious choice | Ideal for scalable, high-volume systems |
When to Choose the “B” Version?
Ready to Discuss System Fit?
Our team can advise on seal selection, mounting thread, and pressure compatibility.
Please contact us
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.


