China Factory Multi-Corrugation SS304/316 Stainless Steel Hose Tube Metal Bellows with Flange

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Product Description

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Basic Information

Model NO.
Comflex
Type
Welded
Usage
Pipeline Transport, Boiler, Hydraulic
Surface Treatment
Galvanized or Polish
Size
DN8-400mm
Thickness
0.3-1.2mm
Material of Hose
SUS304, 321, 316L
Pressure
Up to 40MPa
Standard
ASTM, GB, DIN, JIS
Medium
Liquid, Gas
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Product Description

The flexible metal hose is designed for wide application in systems involving water, steam, hot oil, and gas. Its pressure-resistant and flexible structure makes it ideal for conducting liquids and absorbing vibrations or thermal expansions within an installation.

For more severe environmental conditions, these hoses can be strengthened with single or double braiding to increase resistance to pressure. Spring reinforcement or strip wounds are also available to extend service life.

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Technical Specifications

  • Hose Material: SS304, SS316, SS321
  • Braid Material: SS304
  • Connection: Galvanized steel or Stainless Steel
  • Applications: Solar heaters, construction, natural gas, chemical industry, and machinery.
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Annular Metal Hose Parameters

DN (mm) ID (mm) OD (mm) Pitch (mm) Wall Thickness (mm) Weight (KG/M)
1211.61830.20.17
1514.421.53.50.30.28
2524.432.550.30.46
5049.4637.50.30.9
10099.2120130.42.6
200198.8240240.66.8
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Construction & Benefits

Inner Core: Corrugated Stainless Steel (304, 321, 316L). Tubes are formed into parallel corrugations. Helical options are available upon request.

Outer Core: Braided Stainless Steel Layers (304). Available with no layers, single, or double braiding.

Key Benefits:

  • Temperature ratings from Cryogenic up to 1500° F.
  • Full vacuum to high-pressure tolerance.
  • Meets or exceeds ISO 10380 standards.
  • Absorbs vibration and noise.
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Workshop & Packaging

Frequently Asked Questions

What materials are used for your flexible metal hoses?
We use high-grade stainless steel including SUS304, SUS321, and SUS316L for the inner core and SS304 for the outer braided layers.
What size range is available for these hoses?
We provide a wide range of sizes, starting from DN8 up to DN400 for standard applications, and up to DN600 or DN800 for specific industrial needs.
What is the temperature and pressure rating?
Our hoses can handle temperatures from cryogenic levels up to 1500° F and working pressures up to 40MPa, depending on the specifications and braiding.
What types of connections can you provide?
We offer various fittings including BSPT Taper Male, BSP Cone Female with swivel nuts, NPT fittings, and Flange connections (DIN, ANSI, JIS standards).
How do you ensure the durability of the hose in severe environments?
Hoses can be reinforced with single or double stainless steel braiding, and further protected by external springs or strip-wound casings to withstand harsh conditions.
What information is needed for a customized quote?
Please provide technical drawings, preferred material (304/321/316L), fitting types/flange codes, length, diameter, working pressure, and application details.

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