ZY-CT Series
ZY-CT push-pull hydraulic quick couplings for construction equipment, forestry equipment, agricultural machinery, and oil tools.
Features
- The double-acting sleeve supports one-handed push-to-connect operation when clamp or bulkhead mounted.
- Poppet valves are available to prevent uncoupled leakage.
- Poppet valves open automatically when coupled within rated working pressure to maintain flow.
- Critical parts are hardened for durability.
- A dependable ball-locking mechanism holds the mating halves together.
- Socket and plug are precision machined from solid bar stock.
- The ZY-CT Series conforms to ISO 5675.
- Compatible with PARKER 4250 and FASTER CPV-CNV series.
Technical Specifications
| Body Size (in) | 1/2 |
|---|---|
| Rated Pressure (MPa) | 20.7 |
| Rated Flow (L/min) | 45.5 |
| Temperature Range (NBR) | -20℃ to +100℃ |
Performance
The performance curve shows pressure-drop changes at rated flow.

Coupling Fitting
The push-pull coupling supports fast connection and automatic shut-off when disconnected.


| PART No. | L | L1 | L2 | L3 | D1 | D2 | CH1 | CH2 | T |
|---|---|---|---|---|---|---|---|---|---|
| ZY-CT-04F3/8 | 105.5 | 66 | 61.5 | 27 | 38 | 20.5 | 27 | 27 | ZG3/8 G3/8 NPT3/8 |
| ZY-CT-04F1/2 | 111.5 | 66 | 61.5 | 27 | 38 | 20.5 | 27 | 27 | ZG1/2 G1/2 NPT1/2 |
| ZY-CT-04F3/4 | 105.5 | 69 | 61.5 | 27 | 38 | 20.5 | 34 | 34 | ZG3/4 G3/4 NPT3/4 |
| ZY-CT-04FM14 | 105.5 | 66 | 61.5 | 27 | 38 | 20.5 | 27 | 27 | M14*1.5 |
| ZY-CT-04FM16 | 105.5 | 66 | 61.5 | 27 | 38 | 20.5 | 27 | 27 | M16*1.5 |
| ZY-CT-04FM18 | 105.5 | 66 | 61.5 | 27 | 38 | 20.5 | 27 | 27 | M18*1.5 |
| ZY-CT-04FM22 | 88 | 66 | 61.5 | 27 | 38 | 20.5 | 27 | 27 | M22*1.5 |