steel
Push-and-Pull Couplers
KZAV Series (Steel)
Hydronex / Push-and-Pull Couplers
STEEL
Push-and-Pull Couplers
KZAF Series (Steel)
High-performance carbon steel push-and-pull quick couplers with heat-treated wear parts. Rated for 250 Bar with NBR seals and PTFE backup rings. Features reliable poppet valve closure and breakaway function according to ISO 5675. Enhanced valve response and seal integrity for demanding applications. Disconnection under pressure is not allowed.
Material
Carbon Steel with heat treated wear parts
Surface finish
Standard
Application
Heavy-duty hydraulic systems, industrial machinery, specialized hydraulic equipment, push-pull applications requiring 250 Bar rated pressure
Push-and-Pull CouplersSTEEL
Push-and-Pull Couplers
KZAFSeries(Steel)
High-performance carbon steel push-and-pull quick couplers with heat-treated wear parts. Rated for 250 Bar with NBR seals and PTFE backup rings. Features reliable poppet valve closure and breakaway function according to ISO 5675. Enhanced valve response and seal integrity for demanding applications. Disconnection under pressure is not allowed.
Material: Carbon Steel with heat treated wear parts;
Surface Treat: Standard;
Application: Heavy-duty hydraulic systems, industrial machinery, specialized hydraulic equipment, push-pull applications requiring 250 Bar rated pressure
Technical Data
Body Size (in)
Specifications
1/4", 3/8", 1/2", 3/4", 1"
Rated Pressure (Bar)
350, 300, 300, 250, 250
Key Features
Connexion by pushing the male coupling
Disconnection by pulling the malepart
Shut off by poppet valve
Connectable with male part (ISO A) under pressure
Disconnection under pressure is not allowed
Breakaway function according to ISO 5675
Interchangeability according to ISO7241-1 part A
Specifications
Body Size
1/2"
Rated Pressure
250 Bar
Material
Carbon Steel
Standard Seal Material
NBR (other materials available on request)
Temperature Range
-20°C to +125°C
Technical Specifications
- High grade carbon steel with heat treated wear parts
- NBR
- Backup ring in PTFE
- -25°C to +125°C (-13°F to +257°F)
- According to ISO 7241-2
Applications
Heavy-duty industrial hydraulics
Specialized machinery applications
High-demand hydraulic systems
Equipment with frequent coupling cycles
250 Bar rated pressure applications
Heavy-duty industrial hydraulics
Specialized machinery applications
High-demand hydraulic systems
Equipment with frequent coupling cycles
250 Bar rated pressure applications
Female
| Part No. | Thread | Overall Length (mm) | Hex Size (mm) | Largest Diameter (mm) |
|---|---|---|---|---|
| KZAF-G04SF | G1/2 | 107.3 | 27 | 38 |
| KZAF-N04SF | NPT1/2 | 107.3 | 27 | 38 |
| KZAF-U04SF | 3/4UNF | 107.3 | 27 | 38 |
| KZAF-M22SF | M22X1.5 | 107.3 | 32 | 38 |
| KZAF-U1-7/8S | 7/8UN | 110.8 | 32 | 38 |
| KZAF-G04SF | G1/2 | 4.22 | 1.06 | 1.5 |
| KZAF-N04SF | NPT1/2 | 4.22 | 1.06 | 1.5 |
| KZAF-U04SF | 3/4UNF | 4.22 | 1.06 | 1.5 |
| KZAF-M22SF | M22X1.5 | 4.48 | 1.26 | 1.5 |
| KZAF-U1-7/8SF | 7/8UN | 4.48 | 1.26 | 1.5 |
Performance Specifications
@ 0.2 MPa pressure drop
| Size | Working Pressure | Flow Rate | Burst Pressures | |||
|---|---|---|---|---|---|---|
| mm | inch | MPa (PSI) | L/min (GPM) | MPa (PSI) | MPa (PSI) | MPa (PSI) |
| 12.5 | 1/2" | 25 (3625) | 68 (18) | 120 (17100) | 100 (14500) | 105 (15250) |
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