Couplings - Vena® Sil 500

Marine wet exhaust straight silicone hoses
  • Couplings - Vena® Sil 500
    Couplings - Vena® Sil 500
    Couplings - Vena® Sil 500
  • Couplings - Vena® Sil 500
    Couplings - Vena® Sil 500
    Couplings - Vena® Sil 500
  • Couplings - Vena® Sil 500
    Couplings - Vena® Sil 500
    Couplings - Vena® Sil 500

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The coupling Vena® Sil 500 is highly resistant to hardening, possess very good compression characteristics and it has excellent flexibility during the assembly process.

Applications

These hoses are intended for use in marine-engine wet-exhaust systems on yachts.

The hoses are approved for us as exhaust gas hoses for combustion engines on yachts. The exhaust gas shall be water cooled.

Construction

The construction of these hoses embodies a smooth silicone layer reinforced with plies of polyester fabric. The internal and external silicone rubber compound is VMQ type (Vinyl Methyl Quality).

The construction depends on the diameters as indicated below:

- 6 to 35mm (0.24’’ to 1.38’’)

1 ply of VMQ (Vinyl Methyl Quality) silicone.

3 plies of polyester fiber coated with VMQ silicone.

- 38 to 150mm (1.50’’ to 5.91’’)

1 ply of VMQ (Vinyl Methyl Quality) silicone.

4 plies of polyester fiber coated with VMQ silicone.

- 151 to 300mm (5.94’’ to 11.81’’)

1 ply of VMQ (Vinyl Methyl Quality) silicone.

5 plies of polyester fiber coated with VMQ silicone.

- 301 to 508mm (11.85’’ to 20’’)

2 ply of VMQ (Vinyl Methyl Quality) silicone.

6 plies of polyester fiber coated with VMQ silicone.

Appearance

Smooth inner and outer appearance, red internal color and blue external color.

Temperature

Operational temperature range from -50ºC (-58ºF) to +180ºC (+356ºF).

It may reach +200ºC (+392ºF) during short periods of time.

Wall thickness

The thickness value on diameters size are:

- 6-35mm (0.24-1.38inches):

4.30, +1-0.5mm (0.17, +0.04-0.02inches)

- 38-150mm (1.50-5.91inches):

5.30, +1-0.5mm (0.21, +0.04-0.02inches)

- 151-300mm (5.94-11.81inches):

7.00, +1-0.5mm (0.28, +0.04-0.02inches)

- 301-508mm (11.85-20inches):

10.00, +1-0.5mm (0.39, +0.04-0.02inches)

Pressure

The working pressure has been determinate with pressure tests according to ISO 1402/1994.

Technical details

- The hoses shall not be subjected to operating media which contains abrasive particles.

- The silicone used meets EU Directive 2002/95/ECC of Restriction of the use of certain hazardous substances (RoHS).

Properties

- Not affected by anti-freeze or anti-rust liquids.

- Highly resistant to ozone.

- Highly resistant to hardening with very good compression characteristics.

- Excellent flexibility during the assembly process.

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