steel
Flat Face Couplers
Flat Face Hydraulic Quick Couplings(Carbon Steel) International Interchange ISO 16028 Qkpt Series
Hydronex / Flat Face Couplers
STEEL
Flat Face Couplers
Flat Face Hydraulic Quick Couplings(Carbon Steel) International Interchange ISO 16028
Professional flat-face hydraulic quick couplers with international interchange standards ISO 16028. Carbon steel construction with premium surface treatment for reliable performance in diverse industrial applications.
Material
Carbon Steel
Surface finish
Chrome Plated
Application
Industrial hydraulic systems, mobile equipment, construction machinery, general hydraulic applications requiring international compatibility
Flat Face CouplersSTEEL
Flat Face Couplers
FlatFaceHydraulicQuickCouplings(CarbonSteel)InternationalInterchangeISO16028
Professional flat-face hydraulic quick couplers with international interchange standards ISO 16028. Carbon steel construction with premium surface treatment for reliable performance in diverse industrial applications.
Material: Carbon Steel;
Surface Treat: Chrome Plated;
Application: Industrial hydraulic systems, mobile equipment, construction machinery, general hydraulic applications requiring international compatibility
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
Flat-face design for zero fluid loss
ISO 16028 international interchange compatibility
Carbon steel construction with durability
Quick release mechanism
Reliable poppet valve system
Chrome plated for corrosion resistance
Precision-engineered components
Wide thread compatibility
Specifications
Design Type
Flat-Face
Material
Carbon Steel
Standard
ISO 16028
Surface Treatment
Chrome Plated
Applications
Industrial hydraulic systems
Mobile equipment
Construction machinery
General industrial applications
International equipment compatibility
Industrial hydraulic systems
Mobile equipment
Construction machinery
General industrial applications
International equipment compatibility
Technical Diagram
Specification Details
| Body Size (in) | Rated Pressure (Bar) | Flow Rate (L) | Material | Standard Seal Material | Temperature Range (°C) |
|---|---|---|---|---|---|
| 3/8" | 350 | 35 | Carbon Steel | NBR | -20°C to +125°C |
| 1/2" | 350 | 65 | Carbon Steel | NBR | -20°C to +125°C |
| 3/4" | 350 | 115 | Carbon Steel | NBR | -20°C to +125°C |
| 1" | 350 | 115 | Carbon Steel | NBR | -20°C to +125°C |
| 1-1/4" | 350 | 115 | Carbon Steel | NBR | -20°C to +125°C |
| 1-1/2" | 350 | 115 | Carbon Steel | NBR | -20°C to +125°C |
Detailed Specifications
| Metric | Imperial | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Part No. | Thread | Overall Length (mm) | Hex Size (mm) | Largest Diameter (mm) | Part No. | Thread | Overall Length (in) | Hex Size (in) | Largest Diameter (in) |
| QKFH 03-03PF | G3/8 | 80 | 27 | 29 | QKFH 03-N03PF | NPT3/8 | 3.15 | 1.06 | 1.14 |
| QKFH 03-04PF | G1/2 | 82.5 | 27 | 29 | QKFH 03-N04PF | NPT1/2 | 3.25 | 1.06 | 1.14 |
| QKFH 04-04PF | G1/2 | 91 | 36 | 38.5 | QKFH 04-N04PF | NPT1/2 | 3.58 | 1.41 | 1.52 |
| QKFH 04-06PF | G3/4 | 93.5 | 36 | 38.5 | QKFH 04-N06PF | NPT3/4 | 3.68 | 1.41 | 1.52 |
| QKFH 06-06PF | G3/4 | 95 | 36 | 38.5 | QKFH 06-N06PF | NPT3/4 | 3.7 | 1.41 | 1.52 |
| QKFH 06-08PF | G1 | 108.5 | 46 | 49.8 | QKFH 06-N08PF | NPT1 | 4.27 | 1.81 | 1.96 |
| QKFH 08-08PF | G1 | 110 | 46 | 49.8 | QKFH 08-N08PF | NPT1 | 4.3 | 1.81 | 1.96 |
| QKFH 10-10PF | G11/4 | 123.5 | 55 | 59.8 | QKFH 10-N10PF | NPT11/4 | 4.86 | 2.17 | 2.35 |
| QKFH 12-12PF | G11/2 | 141.9 | 70 | 75.8 | QKFH 12-N12PF | NPT11/2 | 5.78 | 2.76 | 2.98 |
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