Contact us: Tel. +44 1744 815211 Email. esales@motherwelltankprotection.co.uk
150 Years Of Manufacturing

Tank Free Vent, Rim Vent & Combi Vent

… Tank Free Vents, Rim Vent, Combi Hatches, Conservation vents

Free Vents or Conservation vents (CNC 240 series)

Motherwell Tank Protection’s free vent is manufactured in the uk and despatched worldwide, offering the highest quality manufacturing and service.
Tank free vent, also known as conservation vents, are for use on any tank to prevent the build-up of internal pressure, by allowing atmospheres and vapours to flow easily in tanks or vent riser pipes.

Motherwell Tank Protection has over 40 years experience with free vents, ensuring that your free vent is to the highest quality and standards

Free Vent (CNC 240 & CNC 241)

Free VentCNC 240 Free Vent

CNC 240 and CNC 241 Series Free vent for use on any atmospheric tank, protecting against internal pressure build up. The large weatherhood is designed for maximum air flow from your tank though the free vents. vents

Our Free Vent are manufactured with options which include :-

  • Free Vent in aluminium, cast iron, carbon steel, stainless steel
  • Free Vent sizes 2″, 3″, 4″, 6″, 8″ 10″ and 12″, (50mm to 300 mm)
  • All Free Vents have Stainless steel screen mesh as standard
  • MTP Free Vent Maximise air flow
  • ANSI & DIN flanges (CNC 241 Free Vent welds direct to tank roof)

 

CNC 240
Free Vent
Data Sheet
Groth conservation vent

Floating Roof Rim Vent

tank rim vent

CNC 104 Rim Vent

CNC 104 Series Rim Vent provides low pressure relief for storage tanks and originaly designed for floating roof tanks.

Our rim vent comes in the following configuration

  • Aluminium construction
  • Standard 6″ flanged or screwed units
  • Set pressure 0.865″ wg
  • Low cost pressure relief
  • Stainless steel screen mesh
  • Ideal for floating roof tanks
  • Instantly available

The rim Vent has a cast body which can be flanged or threaded for connection to the storage tank, the weatherhood protects the exhaust port of the rim vent from atmospheric conditions. The rim vent is fitted with a hinged pallet lift set to lift when the set pressure in the tank exceeds the set-pressure allaowing the air/gas to flow

Rim Vent
Data Sheet

Request a Quote for our Rim Vent or Free Vent (CNC 240)

Please contact us for a quote or more information on our Free Vent and Rim Vent (CNC 240 & CNC 241). groth conservation vents

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