Flat Face Hydraulic Quick Couplings(Carbon Steel)/ International Interchange ISO 16028 Qkpt Series
Features
- Connexion by pushing the male coupling
- Disconnexion by pulling back the female sleeve
- Shut off by flat-face valve
- Connexion under pressure not allowed
- Disconnexion under pressure not allowed
- Interchangeability according to ISO16028
- No spillage during Connexion and Disconnection
Technical Specifications
- High grade carbon steeltem pered or carbonitrited forspecific stressed area
- Polyurethane and NBR
- Backup ring in PTFE
- -25°C to +100°C(-13°F to +212°F)
- 100.000 cycles at 133% of rate dpressure disconnected
- 1.000.000 cycles at 133% of rated pressure connected.
- Tested according to ISO 7241-2specifications
| Body Size (in) | Rated Pressure (Bar) | Material | Standard Seal Material | Temperature Range (Std Seals) |
| 1/4" | 300 | Carbon Steel | NBR | -20°C to +125°C |
| 3/8" | 250 | Carbon Steel | NBR | -20°C to +125°C |
| 1/2" | 200 | Carbon Steel | NBR | -20°C to +125°C |
| 3/4" | 200 | Carbon Steel | NBR | -20°C to +125°C |
| 1" | 200 | Carbon Steel | NBR | -20°C to +125°C |
Female
| Part No. | Thread Size | Body Size | Overall Length (mm) | Hex Size (mm) | Largest Diameter (mm) | Part No. | Thread Size | Body Size | Overall Length (inch) | Hex Size (inch) | Largest Diameter (inch) |
| QKPT 02-02SF | G1/4 | 1/4" | 48 | 24 | 28 | QKPT 02-N02SF | NPT1/4 | 1/4" | 1.88 | 0.94 | 1.1 |
| QKPT 03-03SF | G3/8 | 3/8" | 65 | 27 | 32 | QKPT 03-N03SF | NPT3/8 | 3/8" | 2.55 | 1.06 | 1.25 |
| QKPT 03-04SF | G1/2 | 3/8" | 70 | 27 | 32 | QKPT 03-N04SF | NPT1/2 | 3/8" | 2.75 | 1.06 | 1.25 |
| QKPT 04-04SF | G1/2 | 1/2" | 79 | 36 | 40 | QKPT 04-N04SF | NPT1/2 | 1/2" | 3.11 | 1.41 | 1.57 |
| QKPT 04-06SF | G3/4 | 1/2" | 79 | 36 | 40 | QKPT 04-N06SF | NPT3/4 | 1/2" | 3.11 | 1.41 | 1.57 |
| QKPT 06-06SF | G3/4 | 3/4" | 79 | 36 | 41 | QKPT 06-N06SF | NPT3/4 | 3/4" | 3.11 | 1.41 | 1.63 |
| QKPT 08-08SF | G1 | 1" | 93 | 45 | 48 | QKPT 08-N08SF | NPT1 | 1" | 3.66 | 1.77 | 1.88 |
Nipple Female Thread / Male
| Part No. | Thread Size | Body Size | Overall Length (mm) | Exposed Length (mm) | Hex Size (mm) | Largest Diameter (mm) | Part No. | Thread Size | Body Size | Overall Length (in) | Exposed Length (in) | Hex Size (in) |
| QKPT 02-02PF | G1/4 | 1/4" | 48 | 35 | 22 | 24 | QKPT 02-N02PF | NPT1/4 | 1/4" | 1.88 | 1.37 | 0.86 |
| QKPT 03-03PF | G3/8 | 3/8" | 60 | 43 | 24 | 26 | QKPT 03-N03PF | NPT3/8 | 3/8" | 2.36 | 1.69 | 0.94 |
| QKPT 03-04PF | G1/2 | 3/8" | 63 | 46 | 27 | 29 | QKPT 03-N04PF | NPT1/2 | 3/8" | 2.48 | 1.81 | 1.06 |
| QKPT 04-04PF | G1/2 | 1/2" | 70 | 53 | 32 | 35 | QKPT 04-N04PF | NPT1/2 | 1/2" | 2.77 | 2.08 | 1.25 |
| QKPT 04-06PF | G3/4 | 1/2" | 70 | 53 | 32 | 35 | QKPT 04-N06PF | NPT3/4 | 1/2" | 2.77 | 2.08 | 1.25 |
| QKPT 06-06PF | G3/4 | 3/4" | 70 | 53 | 36 | 38 | QKPT 06-N06PF | NPT3/4 | 3/4" | 2.77 | 2.08 | 1.41 |
| QKPT 08-08PF | G1 | 1" | 83 | 59 | 45 | 48 | QKPT 08-N08PF | NPT1 | 1" | 3.26 | 2.32 | 1.77 |