High-temperature · up to +600 °C
METAL HOSE Agraff VA 150 AD
METAL HOSE Agraff VA 150 AD is a highly flexible stainless steel hose with agraff-folded construction without plastic coating. The hose tolerates continuous operation up to +600 C - a major advantage in heat-exposed cable protection installations where PUR and PVC-coated variants would melt. IP 40 per EN/IEC 60529 means the hose is tight against foreign objects over 1 mm but not water-tight. The hose is typically used in steel and glass industry, engine test benches, smelting facilities and other installations where both high temperatures and mechanical flexibility are required.
- Up to +600 C
- Stainless steel
- Agraff-folded
- Corrosion-resistant
- Cable protection
- IP 40
Why this hose?
The VA designation (Verband-Stahl, stainless steel) signals that the hose is built for environments that degrade ordinary steel. Stainless steel resists corrosion from moisture, salt and many chemicals - making the hose a long-term solution in installations where regular replacement would be costly. AISI 304/316 grade can typically last 15-20 years in moderately corrosive environments.
The Agraff construction combines stainless steel's material advantages with a construction that retains high flexibility. S-shaped seamed steel strip construction allows the hose to be bent without the metal being stressed beyond its elastic limit, and the seams do not open even with frequent bending cycles. This distinguishes the agraff from simpler corrugated constructions which often fatigue with repeated use.
The absence of plastic coating is NOT a deficiency - it is a deliberate construction choice. A plastic coating would limit the hose's temperature range to 90 C (PUR) or 70 C (PVC) and thereby eliminate the hose's primary advantage. For water-tightness applications where 90 C is plenty, PUR-coated 151 AD is the right choice; for high-temperature applications, VA 150 AD is designed without coating.
Where it is used
Steel and metal industries use the hose for cable protection in smelting areas where heat radiation and occasional contact with hot surfaces occur. The hose's flexibility means it can be pulled through compact service shafts, and heat resistance allows it to be installed close to heat zones without risking cable insulation damage.
Engine test benches and exhaust installations use the hose to protect sensor and control cables that must run close to engine exhaust. Here the +600 C range is practical - exhaust pipes can easily exceed 400 C at full load, and a hose margin of 200 C is good safety.
Marine and offshore installations use the hose for cable protection on deck and in engine rooms where heat and salt exposure combine. Stainless steel resists salt corrosion considerably better than galvanised steel, and the IP 40 level is typically acceptable for fixed-installed cable runs not in direct water exposure.
The hose is colloquially known as a VA hose, stainless steel conduit or high-temperature metal hose.
Technical specifications
The hose's key specifications are briefly summarised below. The +600 C specification is the metal construction's heat resistance; without a plastic coating there is nothing to set a lower temperature limit.
| Construction | Agraff-folded stainless steel strip |
|---|---|
| Material | Stainless steel (AISI 304/316 grade) |
| Coating | None (pure metal) |
| Colour | Steel grey (natural colour) |
| Temperature range | -40 to +600 C |
| IP rating | IP 40 per EN/IEC 60529 (tight against foreign objects over 1 mm) |
| Standard pack length | 50 m per roll |
| Number of dimensions | 8 (ID 5-23 mm) |
| Application | Cable protection in high temperatures (exhaust, smelting zones) |
| Manufacturer SKU | 1509050 |
Dimensions and ordering
The table shows the hose's 8 standard dimensions with ID, nominal connecting-part width (outer dimension for couplings), bend radius and max production length. Weight is given per metre (converted from the factsheet's per-50m values).
| Inner Ø |
Outer Ø |
Bend radius |
Max. length |
Weight |
Roll |
Article no. |
|---|---|---|---|---|---|---|
| 5 | 7 | 35 | 50 | 0.1 | 50 | 15030079050 |
| 6 | 8 | 40 | 50 | 0.12 | 50 | 15030089050 |
| 8 | 10 | 45 | 50 | 0.13 | 50 | 15030109050 |
| 11 | 14 | 50 | 50 | 0.14 | 50 | 15030149050 |
| 14 | 17 | 60 | 50 | 0.26 | 50 | 15030179050 |
| 16 | 19 | 65 | 50 | 0.29 | 50 | 15030199050 |
| 18 | 21 | 70 | 50 | 0.31 | 50 | 15030219050 |
| 23 | 27 | 90 | 50 | 0.4 | 50 | 15030279050 |
Fields without a value (—) are not specified in the manufacturer's factsheet. Overpressure and underpressure values are recommended operating limits; the product can be subjected to higher loads on request. Bend radius is measured along the inside of the hose bend.
Standards and compliance
The hose is qualified per the central standards for cable protection conduit and IP classification. EN/IEC 60529 IP 40 is the primary reference.
- EN/IEC 60529 IP 40. International classification of enclosure sealing - 4 = tight against foreign objects over 1 mm, 0 = no water protection. Standard for non-coated metal conduit.
- RoHS Directive (2011/65/EU). Restriction of hazardous substances. Manufacturer declaration on file.
- REACH (EC 1907/2006). Registration of chemical substances. Manufacturer declaration on request.
- EN 50525. European standard for flexible low-voltage cables. Relevant for cable protection where the hose contains EN 50525-qualified cables.
- VDE 0282. German standard for flexible cables. Relevant for German-market installations.
- ISO 9001:2015. Quality management system at the manufacturer. Ensures each batch follows the same specification.
- AISI 304/316. American specification for stainless steel grade. Manufacturer confirms that the hose's steel strip meets this grade specification.
Documentation and downloads
Additional documents about this hose, its compliance and installation. Click to download as PDF in a new tab.
Help with material selection
Although this hose isn't ATEX-relevant, these two articles provide useful background on electrical resistance and industrial safety — important if you later combine the hose with electrical equipment or work in mixed environments:
The invisible weakest link
Why a conductive or antistatic hose isn't sufficient on its own — and what grounding means for the complete system.
Know your ohm
The difference between antistatic and conductive, which resistance limits apply where, and how to measure them correctly.
Industries that use it
METAL HOSE Agraff VA 150 AD is used where cable protection must tolerate very high temperatures or corrosive environments - typically in metal, glass and chemical industries as well as engine test facilities.
Steel and glass industries are classic applications. Cable runs near melting furnaces, rolling mills and hot-processing areas can be exposed to temperatures far above what PUR or PVC-coated hoses tolerate. The pure stainless steel construction resists +600 C continuous, making the hose well-suited to these installations where coating-based hoses would fail after short operation.
Engine test benches and exhaust system installations use the hose for cable protection near exhaust pipes and hot engine zones. Here the combination of heat resistance and mechanical flexibility is important - the hose must be bendable to navigate physical obstacles while tolerating the high temperatures from the exhaust system.
Chemical industry and processing facilities use the hose for cable protection in zones with combined heat and chemical exposure. Stainless steel resists many chemicals (specifically corrosion from acids and bases in moderate concentrations) and is preferred over coated hoses where the coating would be degraded by the same chemicals.
Custom lengths and assemblies
The hose can be delivered cut to desired lengths. The standard roll can be supplemented with shorter pieces or multiple rolls by arrangement.
At Particulair we advise on couplings and sizing. Send us a sketch of your application and we will assess the right variant and length.
Frequently asked questions
What does 'VA' mean in the name?
VA comes from the German 'VA-Stahl' (Verband-Stahl) and refers to stainless steel - typically AISI 304 or 316 grade. METAL HOSE Agraff VA 150 AD is a pure stainless steel hose without plastic coating, making it suitable for high temperatures where PUR or PVC-coated variants would melt.
How high a temperature does the hose tolerate?
Up to +600 C per the factsheet. This is a major advantage in heat-exposed installations - exhaust systems, smelting facilities, engine test benches and similar. Unlike PUR and PVC-coated variants (limited to about 90 C by the coating), the VA variant is only limited by the metal construction's own heat resistance.
Why only IP 40 when the hose is described as 'liquid-tight'?
The factsheet's wording is somewhat ambiguous. IP 40 is the actual qualification per EN/IEC 60529 - tight against foreign objects over 1 mm but NOT water-tight in the classical sense. 'Liquid-tight' probably refers to the agraff seams being tight enough to withstand occasional water splash or drip - not continuous immersion. For formal water-tightness (IP 65 or higher) we recommend PUR-coated variants like 151 AD.
How many dimensions are in the range?
8 dimensions from ID 5 mm to 23 mm, with corresponding nominal connecting-part width of 7-27 mm. Standard pack length is 50 m per roll on all dimensions. This covers from very small signal cable bundles up to medium-sized power cable installations.
What is the difference between VA 150 AD and VA 108 AD?
Both are stainless steel hoses without coating. The difference lies in the construction: 150 AD is Agraff (folded-seamed) while 108 AD is a simpler corrugated construction. The Agraff variant has better mechanical flexibility and lasts more bending cycles, but is typically slightly more expensive. Choose 150 AD where the hose is bent regularly; choose 108 AD where the hose is fixed-installed.
Which couplings are recommended?
For VA hoses, stainless steel (AISI 304/316) or brass cable glands (PG or M thread) matching the nominal connecting-part width are recommended. Galvanised steel couplings can also be used but cause galvanic corrosion in humid environments. We typically fit couplings to the hose by arrangement.
Is the hose ATEX-approved?
The hose has NO explicit ATEX 2014/34/EU declaration on the factsheet. As a metallic construction it is however naturally electrically conductive, making it suitable for ATEX zones where a conductive shield is required. The factsheet notes 'Explosion hazard areas' under applications. For formal ATEX installation we recommend cross-checking with your local risk assessment.
Can the hose be used outdoors?
Yes - the stainless steel construction resists corrosion from rainwater, salt and UV exposure. IP 40 however means the hose is not tight against continuous water exposure, and internal moisture can accumulate over time. For water-exposed outdoor installations we recommend the PUR-coated variant 151 AD or PVC-coated 102 AD.