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- Flexible Hose
- NK-VN2500
Flexible Hose
NK-VN2500
Lap Joint Flange on one End, Fixed Flange on other
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APPLICATION
- Absorb Movement and Displacement
- Vibration and Noise Reduction
- Compensate for Misalignment
- Pressure and Temperature Resistance
- Extend Equipment Lifespan
FEATURES
- Applicable Media: Water, Oil, Air, Gas, Steam, Non-corrosive Chemical...etc
*For others, please contact us for consultation - Woking Pressure: Up to 2.0 Mpa
*Higher Pressure is available on request - Working Temperature: -196 Deg. C ~ 450 Deg. C.
*Disregard working pressure - End Connection: JIS, DIN, EN, BS, ASME
*Special standard is available on request
**CS flanges are finished with Cr3+ plating or silver coating
STRUCTURE
Materials
| 1. Tube | Stainless Steel (304 . 321 . 316L) |
| 2. Braid | Stainless Steel |
| 3. Braid Sleeve | Stainless Steel |
| 4. Lap joint | Carbon Steel, Stainless Steel |
| 5. Loose flange | Carbon Steel, Stainless Steel |
| 6. End Pipe | Carbon Steel, Stainless Steel |
| 7. Fixed Flange | Carbon Steel, Stainless Steel |
SPECIFICATION
Unit: mm
| Size | Min. Bending Radius | 300 OAL | 500 OAL | Min. OAL | |||
| DN | Inch | Effective Length | Lateral Movement | Effective Length | Lateral Movement | ||
| DN15 | 1/2 | 50 | 210 | 50 | 410 | 125 | 200 |
| DN20 | 3/4 | 65 | 210 | 36 | 410 | 125 | 200 |
| DN25 | 1 | 80 | 164 | 19 | 364 | 90 | 200 |
| DN32 | 1 1/4 | 100 | 160 | 13 | 360 | 65 | 200 |
| DN40 | 1 1/2 | 120 | 154 | 11 | 354 | 55 | 200 |
| DN50 | 2 | 140 | 154 | 8 | 354 | 44 | 200 |
| DN65 | 2 1/2 | 220 | 154 | 7 | 354 | 37 | 200 |
| DN80 | 3 | 280 | 150 | 7 | 350 | 37 | 200 |
| DN100 | 4 | 350 | 150 | 6 | 350 | 31 | 200 |
| DN125 | 5 | 380 | 144 | 4 | 344 | 24 | 300 |
| DN150 | 6 | 440 | 144 | 3 | 344 | 22 | 300 |
| DN200 | 8 | 620 | 110 | 2 | 310 | 15 | 300 |
| DN250 | 10 | 860 | 110 | 1 | 310 | 11 | 300 |
| DN300 | 12 | 900 | – | – | 310 | 9 | 400 |
Calculated on STD Tube, at 1.6 MPa and 40 °C
INSTALLATION GUIDE
• Metal flexible hoses should be bent and used only to the radius and lateral movement specified in their guidelines to prevent
fatigue and failure.
• Twisting of metal flexible hoses should be avoided while installing and using as well.
• For guidance on dynamic movement, please contact us.
NOTES
• Preferred option for Oil and Gas applications. With fixed flanges on both ends, the model is designated as NK‑VN2500F.
• The information in this catalog may be subject to updates or modifications without prior notice.
• Special lengths are available on request.
