Ss304 Wire Mesh Stainless Steel Flexible Bellow Metal Flange Braided Hose
Metal hose is a flexible pipe component widely used in industry, construction, energy and other fields. It has the characteristics of pressure resistance, corrosion resistance and fatigue resistance.
Basic structure and composition
Bellows: core components, usually made of stainless steel (such as 304, 316L), with flexibility achieved through spiral or annular corrugated structures.
Braided mesh: a metal wire braid (such as stainless steel wire) covering the outer layer of the bellows to enhance pressure bearing capacity and resistance to mechanical damage.
Connectors: connectors at both ends, in various forms (threads, flanges, quick connectors, etc.), the material must match the bellows.
| Technical parameter of metal hose flexible |
| Nominal diameter DN | Inner diameter | Outer diameter | Minimum bending radius | Working pressure |
| Bellows | Braid mesh | Static | Dynamic | Single braid mesh | Double braid mesh |
| 8 | 8.8 | 13.2 | 14.4 | 50 | 110 | 15 | 20 |
| 10 | 11.7 | 16.5 | 17.7 | 65 | 145 | 185 | 20 |
| 15 | 13.5 | 19.5 | 21.1 | 80 | 180 | 18 | 20 |
| 20 | 20.0 | 27 | 28.6 | 120 | 270 | 10 | 15 |
| 25 | 27.0 | 34.5 | 36.1 | 160 | 360 | 6.3 | 10 |
| 32 | 32.0 | 40 | 41.6 | 175 | 400 | 4.0 | 6.3 |
| 40 | 39.6 | 52 | 53.6 | 225 | 510 | 4.0 | 6.3 |
| 50 | 49.7 | 62 | 63.6 | 280 | 640 | 3.0 | 5.0 |
| 65 | 61.2 | 80.2 | 81.8 | 410 | 915 | 3.0 | 5.0 |
| 80 | 79.0 | 96.3 | 97.9 | 486 | 1030 | 3.0 | 5.0 |
| 100 | 101.2 | 119.6 | 121.2 | 610 | 1340 | 2.5 | 4.0 |
| 125 | 124.1 | 145.3 | 146.9 | 700 | 1540 | 2.5 | 4.0 |
| 150 | 149.4 | 180.8 | 182.4 | 810 | 1780 | 2.5 | 4.0 |
| 200 | 176.0 | 240 | 243.2 | 1000 | 2000 | 2.5 | 4.0 |
| 250 | 248.0 | 290 | 294 | 1250 | 2500 | 2.5 | 4.0 |
| 300 | 298.0 | 350 | 354 | 1500 | 3000 | 1.6 | 2.5 |
| 350 | 347.0 | 400 | 404.8 | 1750 | 3500 | 1.6 | 2.5 |
| 400 | 397.6 | 460 | 464.8 | 2000 | 4000 | 1.6 | 2.5 |
Main classification
By use:
General purpose: used for liquid and gas transportation.
High temperature/low temperature resistant: suitable for extreme temperature environments.
Corrosion resistant: used in corrosive environments such as chemical and marine.
By structure:
Single-layer/multi-layer bellows: multi-layer structure can withstand higher pressure.
With armor (braided mesh) or without armor: armor enhances compressive and tensile strength.
Application areas
Industrial pipelines: compensation for thermal expansion, shock absorption, connection equipment (such as pumps, valves).
Petrochemical/Chemical: transportation of acids, alkalis, oil and gas, etc.
Building HVAC: flexible connections in air conditioning and fire protection systems.
Aerospace/Automobile: fuel and hydraulic system pipelines.
Installation specifications:
Avoid twisting or excessive bending, the bending radius ≥ the design value.
Reserve length to compensate for thermal expansion and contraction.
Prevent the bellows from twisting when the joint is tightened.
Maintenance inspection:
Regularly check for leaks, mesh damage or bellows deformation.
Pay attention to surface cleaning in corrosive environments.
Metal Hose Inventory
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Ss304 Wire Mesh Stainless Steel Flexible Bellow Metal Flange Braided Hose Images
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