Lab Control Type ‘TVLK’
OPTIMISED FOR USE IN LABORATORIES AND ON FUME CUPBOARDS
Plastic circular VAV terminal units for aggressive extract air in laboratories and production facilities
- Casing and damper blade made of flame-resistant polypropylene
- Compact construction, only 400 mm long
- High control accuracy even in case of unfavourable upstream conditions
- Combination with fast-running actuators (air management systems)
- Volume flow rate measurement with bluff body or nozzle
- Slide-out sensor tubes allow for easy cleaning
- Closed blade air leakage to EN 1751, class 4
- Casing air leakage to EN 1751, class C
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Product Information
Optional equipment and accessories
- With flanges on both ends
- Plastic secondary silencer Type CAK for the reduction of air-regenerated noise
- TVLK: VAV terminal unit
- TVLK-FL: VAV terminal unit with flanges on both ends
- Ready-to-commission unit which consists of mechanical parts and control components (attachments)
- Averaging differential pressure sensor for volume flow rate measurement; can be removed for cleaning
- Damper blade
- Factory assembled control components (attachments) complete with wiring and tubing
- Aerodynamic functional testing on a special test rig prior to shipping of each unit
- Unit carries test label with relevant data
- LABCONTROL: Control components (attachments) for air management systems
- Universal controller: Controller, differential pressure transducer and actuators for special applications
- Matching flanges for both ends, including seals
- Plastic secondary silencer Type CAK for demanding acoustic requirements
- Circular casing
- Short casing: 392 mm without flange, 400 mm with flange
- Spigot suitable for ducts according to DIN 8077
- Both spigots with same diameter (250 mm)
- Position of the damper blade indicated externally at shaft extension
- Casing and damper blade made of flame-resistant polypropylene (PP), flammability to UL 94, V-0
- Differential pressure sensor (with bluff body, or nozzle) and plain bearing made of polypropylene (PP)
- Damper blade seal made of thermoplastic elastomers (TPE)
- Hygiene conforms to VDI 6022
- Closed blade air leakage to EN 1751, class 4
- Meets the increased requirements of DIN 1946, part 4, with regard to the acceptable closed blade air leakage
- Casing air leakage to EN 1751, class C
- Maintenance-free as construction and materials are not subject to wear
- Zero point correction of the static differential pressure transducer should be carried out once per year (recommendation)