series
Threaded Couplers
Thread Locked Type Hydraulic Couplings(Steel) Ksn Series
BSP FittingFitting style
thread-locked-type-hydraulic-couplings-steel-ksn-seriesPart number
Details Availability
Hydronex / Threaded Couplers
SERIES
Threaded Couplers
Thread-To-Connect Under Pressure Couplings Qktf Series
The QKTF Series Thread-To-Connect couplings are engineered for connection under pressure conditions. Featuring a brass body with wing-nut coupler design, these couplings provide reliable performance in demanding hydraulic systems that require live-line connections without pressure drop.
Material
Brass / Carbon Steel
Surface finish
Zinc Plated
Application
Industrial hydraulics, live-line connections, field maintenance
Threaded CouplersSERIES
Threaded Couplers
Thread-To-ConnectUnderPressureCouplingsQktfSeries
The QKTF Series Thread-To-Connect couplings are engineered for connection under pressure conditions. Featuring a brass body with wing-nut coupler design, these couplings provide reliable performance in demanding hydraulic systems that require live-line connections without pressure drop.
Material: Brass / Carbon Steel;
Surface Treat: Zinc Plated;
Application: Industrial hydraulics, live-line connections, field maintenance
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 screwing together the two parts
Disconnexion by unscrewing the two parts
Shut off by fat valve
Male and Female connectable under pressure
Disconnexion under pressure allowed
Interchangeability US Market
Specifications
Standard
ISO 7241-2
Body Material
Carbon Steel / Brass
Seal Material
NBR
Temperature Range
-25°C to +125°C
Technical Specifications
- Brass
- NBR
- Backup ring in PTFE
- -25°C to +125°C (-13°F to +257°F)
- According to ISO 7241-2
Applications
Industrial hydraulic systems
Field maintenance under pressure
Agricultural machinery
Construction equipment
Industrial hydraulic systems
Field maintenance under pressure
Agricultural machinery
Construction equipment
Coupler – Wing Nut
| Part No. | Thread Size BSPP | Body Size | Overall Length (mm) | Exposed Length (mm) | Hex Size (mm) |
|---|---|---|---|---|---|
| QKTF 06-N04SF | NPT1/2 | 3/4" | 3.22 | 1.16 | 4.06 |
| QKTF 06-N06SF | NPT3/4 | 3/4" | 3.22 | 1.16 | 4.06 |
| QKTF 08-N08SF | NPT1 | 1" | 3.87 | 1.43 | 4.38 |
| QKTF 10-N10SF | NPT1 1/4 | 1 1/4" | 4.16 | 1.78 | 5.2 |
Nipple – Male
| Part No. | Thread Size BSPP | Body Size | Overall Length (inch) | Exposed Length (inch) | Hex Size (inch) |
|---|---|---|---|---|---|
| QKTF 06-N04HF | NPT1/2 | 3/4" | 3.22 | 1.16 | 1.75 |
| QKTF 06-N06HF | NPT3/4 | 3/4" | 3.22 | 1.16 | 1.75 |
| QKTF 08-N08HF | NPT1 | 1" | 3.87 | 1.43 | 2.13 |
| QKTF 10-N10HF | NPT1 1/4 | 1 1/4" | 4.16 | 1.78 | 2.5 |
Nipple – Hex Nut
| Part No. | Thread Size BSPP | Body Size | Overall Length (inch) | Exposed Length (inch) | Hex Size (inch) |
|---|---|---|---|---|---|
| QKTF 06-N04HF | NPT1/2 | 3/4" | 3.11 | 1.62 | 1.18 |
| QKTF 06-N06HF | NPT3/4 | 3/4" | 3.11 | 1.62 | 1.18 |
| QKTF 08-N08HF | NPT1 | 1" | 3.55 | 1.88 | 1.56 |
| QKTF 10-N10HF | NPT1 1/4 | 1 1/4" | 3.71 | 2.13 | 1.88 |
Specification Details
| Body Size (in) | Rated Pressure (Bar) | Material | Standard Seal Material | Temperature Range (Std seals) |
|---|---|---|---|---|
| 3/4" | 200 | Carbon Steel / Brass | NBR (other material available on request) | -20°C to +80°C |
| 1" | 200 | Carbon Steel / Brass | NBR (other material available on request) | -20°C to +80°C |
| 1-1/4" | 200 | Carbon Steel / Brass | NBR (other material available on request) | -20°C to +80°C |
Dust Protection
| Dust protections - 防尘帽 | Dust protections - 防尘帽 | ||||||
|---|---|---|---|---|---|---|---|
| PVC | Aluminum | PVC | Aluminum | ||||
| mm | inch | Part Number | Colour | Part Number | Part Number | Colour | Part Number |
| 12.5 | 1/2 | QKTF-10S | QKTB-10S | ||||
| 20 | 3/4 | QKTF-12S | QKTB-12S | ||||
| 25 | 1 | QKTF-16S | QKTB-16S | ||||
| 32 | 1 1/4 | QKTF-20S | QKTB-20S | ||||
| 40 | 1 1/2 | QKTF-24S | QKTB-24S | ||||
Performance Specifications
| Size (mm) | Size (in.) | Working Pressure (MPa/PSI) | Flow Rate (l/min / GPM) | Burst Pressure 1 (MPa/PSI) | Burst Pressure 2 (MPa/PSI) | Burst Pressure 3 (MPa/PSI) |
|---|---|---|---|---|---|---|
| 20 | 3/4" | 25 (3625) | 62 (16.5) | 100 (14500) | 75 (10900) | 82 (11900) |
| 25 | 1" | 23 (3350) | 160 (42) | 130 (18850) | 70 (10000) | 80 (11600) |
| 32 | 1 1/4" | 21 (3000) | 220 (58) | 78 (11300) | 64 (9300) | 68 (9900) |
| 40 | 1 1/2" | 20 (2900) | 300 (79) | 60 (8700) | 60 (8700) | 62 (9000) |
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