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Volume Flow Limiter

Volume Flow Limiter
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Volume Flow Limiter Type VFL for insertion into air ducting 5/9.2/EN/6 The art of handling air

Contents 2 Description 3 Dimensions 3 Nomenclature 4 Technical data 4 Acoustic data 4 Installation notes 5 Order details 6 Adjust Insert Done!

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Description · Dimensions 3 Description The VFL volume flow limiter simply deals with what is normally the tedious and expensive process of adjusting flow rates in ventilation and air conditioning systems. Easy installation and precise operation saves precious time on site. The required flow rate can be simply set up at the point of installation when the VFL is fitted into the ductwork. The VFL controls to the set flow rate keeping it constant within close tolerances even when the upstream pressure changes. Characteristics – Very close control accuracy for the flow rate settings, to approx....

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Installation Notes 5 Installation The required flow rate is simply set on site at the point of installation. The slot must then be closed with a sticker supplied to ensure best acoustic performance. The limiter can now be slid into the duct. The minimum straight upstream duct should be at least 1 D. Identification of the installation location Stickers are supplied for identifying the flow volume limiters once installed. These may be filled in by hand and affixed to the outside of the duct in an easily visible location. Flow rate adjustment, by the customer Transparent sticker for noise...

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Order Details Design changes reserved · All rights reserved © TROX GmbH (08/2009) Specification text Circular volume flow limiter Type VFL in 6 nominal sizes, manufactured from high quality plastic (UL 94 V1) conforming to DIN 4102, fire rating class B2, for constant flow rate control, for use in air conditioning and ventilation systems, consists of a regulator with set point adjustment, the regulation mechanism with leaf spring and low friction, silicone free oscillation damper. Special characteristics: – Mechanical system-powered with a control damper – Very close control accuracy of...

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