series
Threaded Couplers
Thread-To-Connect Under Pressure Couplings Qktf Series
BSP FittingFitting style
thread-to-connect-under-pressure-couplings-qktf-seriesPart number
Details Availability
Hydronex / Threaded Couplers
SERIES
Threaded Couplers
Thread Locked Type Hydraulic Couplings(Steel) Kgw Series
The KGW Series Thread Locked Type Hydraulic Couplings are stainless steel couplings designed for applications requiring an elongated coupler body for deep-panel or manifold mounting. The precision-machined stainless steel construction delivers superior corrosion resistance and long service life.
Material
Stainless Steel (SS316)
Surface finish
Passivated / Electropolished
Application
Panel mounting, manifold systems, corrosive environments
Threaded CouplersSERIES
Threaded Couplers
ThreadLockedTypeHydraulicCouplings(Steel)KgwSeries
The KGW Series Thread Locked Type Hydraulic Couplings are stainless steel couplings designed for applications requiring an elongated coupler body for deep-panel or manifold mounting. The precision-machined stainless steel construction delivers superior corrosion resistance and long service life.
Material: Stainless Steel (SS316);
Surface Treat: Passivated / Electropolished;
Application: Panel mounting, manifold systems, corrosive environments
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 poppet valve
Connectable under residual pressure
Disconnexion under residual pressure
Interchangeability German Market
Specifications
Standard
ISO 7241-2
Body Material
Carbon Steel
Seal Material
NBR (other available)
Surface Treatment
Zinc Plated
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
Panel and manifold mounting systems
Chemical and petrochemical plants
High-purity hydraulic systems
Offshore and marine applications
Panel and manifold mounting systems
Chemical and petrochemical plants
High-purity hydraulic systems
Offshore and marine applications
Nipple Female Thread / Male
| Part No. | Thread Size | Overall Length (mm) | Hex Size (mm) | Largest Diameter (mm) | Part No. | Thread Size | Overall Length (inch) | Hex Size (inch) | Largest Diameter (inch) |
|---|---|---|---|---|---|---|---|---|---|
| KGW-02PF | G1/4 | 36 | 19 | 12.5 | KGW-N02PF | NPT1/4 | 1.41 | 0.74 | 0.49 |
| KGW-03PF | G3/8 | 40.5 | 22 | 16 | KGW-N03PF | NPT3/8 | 1.59 | 0.86 | 0.62 |
| KGW-04PF | G1/2 | 49 | 27 | 17 | KGW-N04PF | NPT1/2 | 1.92 | 1.06 | 0.66 |
| KGW-06PF | G3/4 | 56 | 35 | 19 | KGW-N06PF | NPT3/4 | 2.2 | 1.37 | 0.74 |
| KGW-08PF | G1 | 66 | 41 | 22 | KGW-N08PF | NPT1 | 2.59 | 1.61 | 0.86 |
Couplers Female Thread / Female
| Part No. | Thread | Overall Length (mm) | Hex Size (mm) | Largest Diameter (mm) | Part No. | Thread | Overall Length (in.) | Hex Size (in.) | Largest Diameter (in.) |
|---|---|---|---|---|---|---|---|---|---|
| KGW-02SF | G1/4 | 58.9 | 19 | 32 | KGW-N02SF | NPT1/4 | 2.31 | 0.74 | 1.25 |
| KGW-03SF | G3/8 | 66.5 | 22 | 36 | KGW-N03SF | NPT3/8 | 2.61 | 0.86 | 1.41 |
| KGW-04SF | G1/2 | 76.5 | 27 | 41 | KGW-N04SF | NPT1/2 | 3 | 1.06 | 1.61 |
| KGW-06SF | G3/4 | 89.5 | 35 | 50 | KGW-N06SF | NPT3/4 | 3.52 | 1.37 | 1.96 |
| KGW-08SF | G1 | 105.5 | 41 | 65 | KGW-N08SF | NPT1 | 4.15 | 1.61 | 2.55 |
Specification Details
| Body Size (in) | Rated Pressure (Bar) | Flow Rate (L) | Material | Standard Seal Material | Temperature Range |
|---|---|---|---|---|---|
| 1/4" | 500 | 13 | Carbon Steel | NBR (other available) | -20 to +125 |
| 3/8" | 400 | 25 | Carbon Steel | NBR (other available) | -20 to +125 |
| 1/2" | 400 | 75 | Carbon Steel | NBR (other available) | -20 to +125 |
| 3/4" | 350 | 135 | Carbon Steel | NBR (other available) | -20 to +125 |
| 1" | 350 | 250 | Carbon Steel | NBR (other available) | -20 to +125 |
| 1-1/2" | 350 | 450 | Carbon Steel | NBR (other available) | -20 to +125 |
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 |
| 6.3 | 1/4 | CGW-1/4 | PGW-1/4 | ||||
| 10 | 3/8 | CGW-3/8 | PGW-3/8 | ||||
| 12.5 | 1/2 | CGW-1/2 | PGW-1/2 | ||||
| 20 | 3/4 | CGW-3/4 | PGW-3/4 | ||||
| 25 | 1 | CGW-1 | PGW-1 | ||||
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) |
|---|---|---|---|---|---|---|
| 6.3 | 1/4" | 50 (7500) | 13 (3.3) | 150 (22500) | 160 (24000) | 170 (24200) |
| 10 | 3/8" | 40 (5700) | 25 (6.5) | 120 (17100) | 130 (18600) | 170 (24200) |
| 12.5 | 1/2" | 40 (5700) | 75 (19.8) | 120 (17100) | 140 (20000) | 140 (20000) |
| 20 | 3/4" | 35 (5000) | 135 (35.2) | 110 (15700) | 120 (17100) | 140 (20000) |
| 25 | 1" | 35 (5000) | 250 (66.1) | 110 (15700) | 130 (18600) | 140 (20000) |
| 40 | 1 1/2" | 35 (5000) | 450 (119) | 110 (15700) | 110 (15700) | 110 (15700) |
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