- BS 31:1940 (British standards)
- Quatest 3
- White
- Galvanized Steel - Class 3
- Hot - dip Galvanized Steel - Class 4
- BS 31 CVL® conduit is a thick, threadable.
- Conduit and fittings are linked together via threaded joints (shared fittings with BS 4568 class 3 CVL® conduit).
- BS 31 CVL® conduit are pre-threaded at both ends according to METRIC thread standards.


- Steel Conduit BS 31 is a type of steel conduit that is commonly used for electrical wiring in the United Kingdom and other countries that follow British Standards. It is a heavy gauge, welded steel conduit that is designed to provide protection for electrical cables and wiring systems against physical damage and environmental factors.
- BS 31 steel conduit is commonly used in a variety of electrical applications, including:
1. Residential and commercial buildings
2. Industrial facilities
3. Power distribution systems
4. Outdoor lighting and electrical systems
- BS 31 steel conduit is available in a variety of sizes and lengths to suit different applications. It is typically installed using threaded fittings and is known for its durability, strength, and resistance to impact and corrosion.

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Steel Conduit BS 31:1940 CVL®
Manufactured according to BS 31:1940 (British standards)
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Product Code (*)
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Product Code (**)
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Size
mm (inch)
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OD
(mm)
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Thickness
(mm)
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Length
(mm)
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BS3138
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BS31438
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38 (1 1/2″)
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37.9
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1.8
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3750
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BS3150
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BS31450
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50 (2″)
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50.6
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2.0
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3750
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Tolerance - Outside Diameter: ± 0.3 mm.
- Thickness: ± 10%.
- Length: ± 6.4 mm.
(*) Thickness of the zinc coating layer for Pre-galvanized steel - Class 3
(**) Thickness of the zinc coating layer for Hot - dip galvanized steel - Class 4
>> Video introducing Steel Conduit BS 31
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