FIRE & SMOKE VENTILATION

NATURAL & MECHANICAL VENTILATION

INTERNATIONAL (PTY) Ltd

Ventilation & Fire Ventilation Experts

+27 (11) 826 5959

info@curvent.co.za

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EXTRACTING CHEMICAL FUMES @ METSON MANUFACTURING, KYA SANDS

Jul 6, 2018

EXTRACTING CHEMICAL FUMES @ METSON MANUFACTURING, KYA SANDS

The Metson Manufacturing product range includes water soluble granular and liquid chelated foliar feeds, liquid fertilizers, growth stimulants, general and specific crop nutrition, inoculants, seed coatings, spray adjuvants, and sanitizers. Curvent assisted Chabo & Joubert Aircon Services, by the supply and installation of natural ventilation at Metso Manufacturing. This was done by the extraction of the chemical fumes with 4 x 1000mm Ø fans. (2 x extraction fans and 2 x inl

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IMPULSE VENTILATION FOR CAR PARKS

Sep 22, 2017

IMPULSE VENTILATION FOR CAR PARKS

Multistory above and below ground car parks are becoming more common due to increased public reliance on cars as well as the congestion in towns and cities resulting from higher population densities. Motor vehicle engines running within an enclosed space will result in poor air quality and the confinement also increases the potential threat of smoke inhalation in the event of a fire. It is essential to ventilate covered car parks in order to limit users to the harmful effect

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WHY YOU NEED A MAINTENANCE CHECKLIST

Sep 15, 2017

WHY YOU NEED A MAINTENANCE CHECKLIST

Any ventilation system will have slight performance fluctuations. As with any piece of machinery, a ventilation system is subject to wear, misalignment and breakdowns. Only through regular and thorough maintenance can it remain in effective operating condition. The following are a few of the more common problems to be aware of: Hood System Adjustable slots have been altered Resistance has been changed (i.e., the hood has been modified or more fume hoods have been inappropriat

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INSPECTING, TESTING & TRAINING AS PART OF A VENTILATION CONTROL PROGRAM

Sep 4, 2017

INSPECTING, TESTING & TRAINING AS PART OF A VENTILATION CONTROL PROGRAM

We mentioned in a previous article that all ventilation systems requires inspection and testing. Training on routine and emergency operating procedures should also be provided and all three these elements should be incorporated into a good ventilation control program. Let's discuss these points separately: Inspection Never assume the system is operating properly just because the fan is running. Some things to be considered during inspections are: Determining the velocities at

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DO YOU HAVE A VENTILATION CONTROL PROGRAM?

Aug 30, 2017

DO YOU HAVE A VENTILATION CONTROL PROGRAM?

All ventilation systems require inspections and testing. Training on routine and emergency operating procedures should also be provided. We can help you to incorporate these into a ventilation control program. Some factors to be considered and incorporated into the program are: Written standards and procedures for operation of ventilation systems Regular daily or weekly inspections, depending upon the toxicity of substances to be exhausted Regular clean-out schedules for set

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VENTILATION OF TOXIC SUBSTANCES: GENERAL VS LOCAL EXHAUST VENTILATION

Aug 11, 2017

VENTILATION OF TOXIC SUBSTANCES: GENERAL VS LOCAL EXHAUST VENTILATION

Ventilation is a primarily an control engineered to reduce or extract the concentration of gases, dusts, vapours, smoke, and fumes in the air. There are two types of ventilation systems: general and local exhaust: General (dilution) ventilation systems supply clean air that mixes with the air in the workplace, diluting the concentration of the contaminant. General ventilation is not suitable to control exposure to toxic substances because these systems actually spread the con

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FANS USED IN MECHANICAL VENTILATION

Jul 31, 2017

FANS USED IN MECHANICAL VENTILATION

Mechanical ventilation is a method of forced or induced ventilation by using mechanical air handling systems, commonly called HVAC systems. Mechanical ventilation is more controllable than natural ventilation. In Mechanical Ventilation blowers, fans, filters, and ducts are used for transporting and removing air from a space. There are two types of fans used for the transmission of air. When the air enters the impellers axially and is discharged radially from the impeller, it

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FULL TURNKEY EXTRACTION SOLUTION WATERWAY, V&A WATERFRONT, CAPE TOWN

Jan 18, 2017

FULL TURNKEY EXTRACTION SOLUTION WATERWAY, V&A WATERFRONT, CAPE TOWN

This Project was awarded to Curvent International as a Design, Supply and Install project where we provided a full turnkey solution for the smoke extraction system and the basement Carbon Monoxide extraction systems. The project was designed in conjunction with a team of engineers from Nako group (Mechanical Engineers) and Solution Station (Fire Engineers). The waterway house Building consists of parking basements with retail shops on the ground floor as well as 3 level

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SMOKE MANAGEMENT ISSUES IN BUILDINGS WITH LARGE ENCLOSED SPACES

Jul 13, 2016

SMOKE MANAGEMENT ISSUES IN BUILDINGS WITH LARGE ENCLOSED SPACES

SYSTEM RELIABILITY Smoke management systems can be complex and involve the operation of many interacting components, including detection systems, exhaust fans, natural ventilators, automatic smoke curtains, dampers, fresh air intakes, etc. Experience of actual installed systems in real buildings has led to concerns on the efficacy of some smoke management systems, especially over the lifetime of a building. Reliability There is limited data on the reliability of smoke managem

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