HT Rotary valve 

blauw-vinkje.png  The power of simplicity
blauw-vinkje.png  Low total cost of ownership
blauw-vinkje.png  Low maintenance costs
blauw-vinkje.png  Possibility: ATEX explosion disconnection
blauw-vinkje.png  Many configuration options


Type HT rotary valve

It is an absolute "classic” in our range. For over 40 years, we have been producing this simple, but incredibly strong cast-iron valve for use as a dust valve under filters and cyclones and as a low pressure rotary valve (max. 0.05 bar, max. 0.1 bar for 8-blade rotors and the HT450). The options and possibilities available in our HT range for finding the perfect valve for your application are virtually endless. The HT250/350 is also interchangeable with the HT250S/350S.

Suitable as

You want to prevent downtime in your industrial dedusting installation. Use a rotary valve to continuously remove your extracted dust particles and granulates from your cyclone and / or filter box and to maintain your (under) pressure in your installation.

The HT-EX rotary valves are mainly used for the removal of powder (dust) or granular dry substances from filter boxes and cyclones, whereby the valve also functions as an 'explosion valve' according to ATEX guidelines.

The HT dosing valves are used at solids process installations where very low pressures are applied.



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Size : DN250 - DN350 - DN450 - DN550
Rotor volume : 7 to 50 liters
House : Lacquered cast iron
Rotor : Steel - Stainless steel - Vulkollan - Nylon - Spring steel
Bearing : External ball bearings
Pressure difference : Possibility of up to 0.1 bar (with 8 rotorblades)



Jos Louwers

Sales coordinator