CB-SPM-1F ISO 7241-B Hydraulic Quick Coupling | Carterberg
CB-SPM-1F is Carterberg’s modular-type ISO 7241-B quick coupling, designed for OEMs, maintenance systems, and integrators that require porting flexibility and configuration versatility.
Like other Carterberg ISO B couplings, this model features a self-sealing poppet valve and ball-lock mechanism, but is engineered with an emphasis on modular system integration, where multiple media types, connection styles, or operating pressures coexist.
If you need one coupling model that can adapt to a variety of connection types, CB-SPM-1F is your go-to choice.
Key Features
• ISO 7241-B standard dimensional compatibility
• Multi-port/multi-configuration ready – built for integration
• Modular application across fluids, pressures, and connection types
• Ball latch structure for vibration resistance and secure hold
• Self-sealing poppet valve ensures zero-spill connections
• Compatible with a full range of seals and body materials
• Supports BSPP, NPT, SAE threads in multiple size ranges
System Compatibility & Seal Options
CB-SPM-1F is designed with adaptability in mind. Whether you require frequent changes in hose setup, multiple fluid types, or replacements in field equipment, this model delivers.
| 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 |
It is available in carbon steel, brass, and stainless steel options to match application needs.
Technical Specifications
| Size (Inches) | Rated Pressure (psi) | Flow Rate (gpm) |
| 1/8" | 4000 | 0.8 |
| 1/4" | 5000 | 3 |
| 3/8" | 4000 | 6 |
| 1/2" | 5000 | 12 |
| 3/4" | 4000 | 26 |
| 1" | 4000 | 50 |
| 1-1/4" | 2900 | 76 |
| 1-1/2" | 2175 | 99 |
| 2" | 1450 | 200 |
Operating Temperature: Based on selected seal
Mounting Options: Variety of thread sizes and styles
Product Visual & Dimensions
• 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-P1S-1FG | 1/8-27 | 1.26 | 0.65 | 0.44 | 0.56 |
| 1/8" | CB-P1S-1FG | 1/8-27 | 1.26 | 0.65 | 0.44 | 0.56 |
| 1/4" | CB-P2S-1FG | 1/4-19 | 1.52 | 0.87 | 0.56 | 0.75 |
| 1/4" | CB-P2S-1FN | 1/4-18 | 1.52 | 0.87 | 0.56 | 0.75 |
| 3/8" | CB-P3S-1FG | 3/8-19 | 1.76 | 1.01 | 0.61 | 0.88 |
| 3/8" | CB-P3S-1FN | 3/8-18 | 1.76 | 1.01 | 0.61 | 0.88 |
| 1/2" | CB-P4S-1FG | 1/2-14 | 2.03 | 1.30 | 0.76 | 1.13 |
| 1/2" | CB-P4S-1FN | 1/2-14 | 2.03 | 1.30 | 0.76 | 1.13 |
| 3/4" | CB-P6S-1FG | 3/4-14 | 2.36 | 1.52 | 0.71 | 1.31 |
| 3/4" | CB-P6S-1FN | 3/4-14 | 2.36 | 1.52 | 0.71 | 1.31 |
| 1" | CB-P8S-1FG | 1-11 | 2.85 | 1.88 | 0.97 | 1.63 |
| 1" | CB-P8S-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
Unlike fixed-type couplers, the CB-SPM-1F excels in multi-port, multi-seal, and multi-media environments such as:
• OEM machinery and custom system assemblies
• Mobile tool trailers and service vehicles
• Chemical transfer with frequent hose replacements
• Interchangeable fittings across fluid types
• Compact equipment requiring port flexibility
Interchange Compatibility
CB-SPM-1F is functionally interchangeable with:
• Parker 60 Series
• Faster HNV Series
• Aeroquip FD45
• Hansen HK Series
Check our Interchange Guide for reference by brand and port size.
Why Choose CB-SPM-1F?
| Feature | Benefit |
| Multi-configuration fit | Ideal for hybrid hydraulic systems |
| ISO 7241-B compatible | Matches top global standards |
| Modularity | One product, many applications |
| System-wide replaceability | Reduces SKU complexity |
Modular vs Standard: What's the Difference?
While the CB-SP-1F serves as our baseline ISO B model, the CB-SPM-1F is your adaptable partner for evolving systems.
If your system demands interchangeable threads, ports, or seals – this is the smart upgrade path.
Need Application Advice?
Let our engineering team assist with seal compatibility, port fitting, and installation strategy.
Please contact us
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cb spm 1f iso 7241 b hydraulic quick coupling Images
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