ISO Series Hydraulic Quick Couplings - Durable & Leak-Proof for Construction & Industrial Use
The ISO Series hydraulic quick couplings are designed for demanding applications in construction, forestry, and hydraulic machinery. Featuring poppet valves to prevent uncoupled leakage, they ensure smooth flow under rated pressure. Critical hardened parts enhance durability, while compliance with ISO 7241-A guarantees reliability. Compatible with PARKER, FASTER ANV, AEROQUIP, and HANSEN series, these couplings offer seamless integration for industrial hydraulic systems. Ideal for B2B buyers seeking high-performance, leak-proof connectors.
BODY SIZE | Rated Pressure (PSI) | Rated Flow (GPM) | Temperature range(std seals) | Standard seal material |
1/4" | 5000 | 3 | -20℃~+80℃ | NBR |
3/8" | 4000 | 6 |
1/2" | 4000 | 12 |
3/4" | 3000 | 28 |
1" | 3000 | 50 |
1-1/4" | 3000 | 88 |
1-1/2" | 2000 | 220 |
2" | 2000 | 224 |
Dimensional Overview
Female (Socket)

Body Size | PARTNO. | LS | Φ D | HS | A | T |
1/4" | CB-S2S-10F | 50 | 26 | 19 | 13.1 | G1/4 NPT1/4 |
3/8" | CB-S3S-10F | 60.5 | 31.5 | 22 | 18.5 | G3/8 NPT3/8 |
1/2" | CB-S4S-10F | 66 | 38 | 27 | 23.8 | G1/2 NPT1/2 |
3/4" | CB-S6S-10F | 80 | 46 | 34 | 30.6 | G3/4 NPT3/4 |
1" | CB-S8S-10F | 99.5 | 54 | 41 | 36.7 | G1 NPT1 |
Male (Plug)

Body Size | PARTNO. | LP | C | HP | A | T |
1/4" | CB-P2S-10F | 35.5 | 15 | 19 | 11.85 | G1/4 NPT1/4 |
3/8" | CB-P3S-10F | 42 | 21.5 | 22 | 17.3 | G3/8 NPT3/8 |
1/2" | CB-P4S-10F | 46 | 26.5 | 27 | 20.55 | G1/2 NPT1/2 |
3/4" | CB-P6S-10F | 54 | 28 | 34 | 29.1 | G3/4 NPT3/4 |
1" | CB-P8S-10F | 65.5 | 35 | 41 | 34.3 | G1 NPT1 |