steel
Push-and-Pull Couplers
KZAF Series (Steel)
Hydronex / Push-and-Pull Couplers
STEEL
Push-and-Pull Couplers
KZA Series (Steel)
Durable high-grade carbon steel push-and-pull quick couplers with heat-treated wear parts. Features reliable poppet valve closure and breakaway function according to ISO 5675. Connectable under pressure with superior sealing capability using NBR seals and PTFE backup rings.
Material
High-grade carbon steel with heat treated wear parts
Surface finish
Standard
Application
General industrial hydraulics, agricultural equipment, machinery, push-pull hydraulic systems, heavy-duty applications
Push-and-Pull CouplersSTEEL
Push-and-Pull Couplers
KZASeries(Steel)
Durable high-grade carbon steel push-and-pull quick couplers with heat-treated wear parts. Features reliable poppet valve closure and breakaway function according to ISO 5675. Connectable under pressure with superior sealing capability using NBR seals and PTFE backup rings.
Material: High-grade carbon steel with heat treated wear parts;
Surface Treat: Standard;
Application: General industrial hydraulics, agricultural equipment, machinery, push-pull hydraulic systems, heavy-duty applications
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 male part
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
Material
High-grade carbon steel with heat treated wear parts
Standard Seal Material
NBR
Backup Ring
PTFE
Temperature Range
-25°C to +125°C (-13°F to +257°F)
Standard
According to ISO 7241-2
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
General industrial hydraulics
Agricultural equipment
Machinery hydraulics
Heavy-duty industrial applications
Cost-effective reliable solutions
General industrial hydraulics
Agricultural equipment
Machinery hydraulics
Heavy-duty industrial applications
Cost-effective reliable solutions
Couplers Female Thread / Male
| Part No. | Thread Size BSP | Overall Length (mm) | Hex Size (mm) | Largest Diameter (mm) | Part No. NPT | Thread Size NPT | Overall Length (in.) | Hex Size (in.) | Largest Diameter (in.) |
|---|---|---|---|---|---|---|---|---|---|
| KZA-03SF | G3/8" | 59 | 21 | 33 | KZA-N03SF | NPT3/8" | 2.31 | 0.81 | 1.31 |
| KZA-04SF | G1/2" | 68 | 24 | 38 | KZA-N04SF | NPT1/2" | 2.68 | 0.94 | 1.5 |
Couplers Male Thread-1
Nipple Male Thread-1
| Part No. | Thread Size | Flow Rate (L) | Overall Length A (mm) | Hex Size C (mm) | Largest Diameter D (mm) |
|---|---|---|---|---|---|
| KZA-14PF-MM | 14x1.5 | 0.85 | 62 | 27 | 31 |
| KZA-16PF-MM | 16x1.5 | 10 | 62 | 27 | 31 |
| KZA-18PF-MM | 18x1.5 | 12 | 62 | 27 | 31 |
| KZA-22PF-MM | 22x1.5 | 15 | 58 | 27 | 31 |
| KZA-24PF-MM | 24x1.5 | 16 | 60 | 27 | 34 |
| KZA-26PF-MM | 26x1.5 | 18 | 62 | 30 | 34 |
| KZA-30PF-MM | 30x2 | 20 | 62 | 30 | 34 |
Coupler Male Thread-2
| Part No. | Thread Size | Flow Rate (L) | Overall Length (mm) | Hex Size (mm) | Largest Diameter (mm) |
|---|---|---|---|---|---|
| KZA-14SF-MLM | 14x1.5 | 0.8L | 85 | 27 | 38 |
| KZA-16SF-MLM | 16x1.5 | 10L | 85 | 27 | 38 |
| KZA-18SF-MLM | 18x1.5 | 12L | 85 | 27 | 38 |
| KZA-22SF-MLM | 22x1.5 | 15L | 86 | 27 | 38 |
| KZA-24SF-MLM | 24x1.5 | 16L | 86 | 27 | 38 |
| KZA-26SF-MLM | 26x1.5 | 18L | 88 | 30 | 38 |
| KZA-30SF-MLM | 30x2 | 20L | 88 | 30 | 38 |
Nipple Male Thread-2
| Part No. | Thread Size | Flow Rate (L) | Overall Length (mm) | Hex Size (mm) | Largest Diameter (mm) |
|---|---|---|---|---|---|
| KZA-14PF-MLM | 14x1.5 | 0.8L | 72 | 27 | 31 |
| KZA-16PF-MLM | 16x1.5 | 10L | 72 | 27 | 31 |
| KZA-18PF-MLM | 18x1.5 | 12L | 72 | 27 | 31 |
| KZA-22PF-MLM | 22x1.5 | 15L | 73 | 27 | 31 |
| KZA-24PF-MLM | 24x1.5 | 16L | 75 | 27 | 31 |
| KZA-26PF-MLM | 26x1.5 | 18L | 75 | 30 | 34 |
| KZA-30PF-MLM | 30x2 | 20L | 75 | 30 | 34 |
Nipple Male Thread-3
| Part No. | Thread Size | Overall Length (mm) | Hex Size (mm) | Largest Diameter (mm) |
|---|---|---|---|---|
| KZA-14SF-MWG | 3/8 | 73 | 27 | 38 |
| KZA-16SF-MWG | 1/2 | 76 | 27 | 38 |
| KZA-18SF-MWM | 16x1.5 | 70 | 27 | 38 |
| KZA-22SF-MW | 20x1.5 | 75 | 27 | 38 |
| KZA-24SF-MW | 22x1.5 | 73 | 27 | 38 |
Coupler Male Thread-3
| Part No. | Thread Size | Overall Length (mm) | Hex Size (mm) | Largest Diameter (mm) |
|---|---|---|---|---|
| KZA-03PF-MWG | 3/8 | 60 | 27 | 31 |
| KZA-04PF-MWG | 1/2 | 63 | 27 | 31 |
| KZA-16PF-MWM | 16x1.5 | 57 | 27 | 31 |
| KZA-20PF-MW | 20x1.5 | 72 | 27 | 31 |
| KZA-22PF-MW | 22x1.5 | 60 | 27 | 31 |
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) |
| 10 | 3/8" | 27 (3800) | 24 (6.2) | 115 (16400) | 130 (18600) | 110 (15700) |
| 12.5 | 1/2" | 30 (4300) | 75 (19.8) | 120 (17100) | 120 (17100) | 120 (17100) |
| 25 | 1" | 22 (3150) | 270 (71.4) | 110 (15700) | 110 (15700) | 90 (12900) |
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