Choosing the right model
![RKP-C–sajamverzija_CLEAN RKP-C--sajamverzija_CLEAN](https://assets.tel-uk.com/wp-content/uploads/elementor/thumbs/RKP-C-sajamverzija_CLEAN-q781srr44b94q15eo7j845z5pq4yd2pd3kfmmr14hs.png)
Circular CAV unit – RKP-C
The RKP-C volume flow controller is designed for use in complex piping systems to automatically control air distribution, maintaining a predetermined air flow for the supply or exhaust air of a room that is sustainable and independent from fluctuating channel air pressure.
Sizes: From 100 up to 400mm D
Material: Galvanised steel
![NEW-MAY2023-RKP-P NEW-MAY2023-RKP-P](https://assets.tel-uk.com/wp-content/uploads/elementor/thumbs/NEW-MAY2023-RKP-P-q781unfhsdtrxyf3p0sd3owchgvdra61cvel6o8s1s.png)
Rectangular CAV unit – RKP-P
The Volume flow controller type RKP-P maintains a constant volume on extract and supply air systems covering a wide range of sizes and volumes to suit any application. It keeps a default nominal value of the volume flow constantly, lastingly and independently of the varying pressure in the duct.
Sizes: From 200*100 to 600mm2
Material: Galvanised steel
![RVP-C_CLEAN RVP-C_CLEAN](https://assets.tel-uk.com/wp-content/uploads/elementor/thumbs/RVP-C_CLEAN-q7ifvingxw7r1ty5bs95idnjbs96a1r9lrzti9r18g.png)
Circular VAV unit – RVP-C
The Variable Volume Circular type RVP-C provides volume control of extract and supply air systems across a wide range of sizes and volumes to suit any applications. Ideally suited for use with the TEL AFA5000 Room Space Controller.
Sizes: From 100 up to 630mm D
Materials: Galvanised steel as standard or 316 stainless steel on request
![RVP-P_CLEAN RVP-P_CLEAN](https://assets.tel-uk.com/wp-content/uploads/elementor/thumbs/RVP-P_CLEAN-q7ifwxer6y58grwf3e7090ufelaztpcrsr81f7nrwg.png)
Rectangular VAV unit – RVP-P
The Variable Volume Rectangular terminal type RVP-P enables precision control of the amount of air coming into and out of a room. It can be supplied with a variety of control options for different applications and is ideally suited for use with the TEL AFA5000 Room Space Controller.
Sizes: From 200*100mm up to 1000mm2
Material: Galvanised steel as standard or 316 stainless steel on request
![PZX.990_CLEAN PZX.990_CLEAN](https://assets.tel-uk.com/wp-content/uploads/elementor/thumbs/PZX.990_CLEAN-q7ifw0iejqw76f87fhz2br5am3t5caq608e1mj0jy8.png)
Attenuator – PZX
For sound attenuation in ventilated ducts and ventilated areas.
Sizes: A full range of sizes from 100 up to 1000mm (rectangular) and 300*300 to 1800m2 D (circular)
Material: Galvanised steel