LVS
9Pages

Product data sheet Circular disc valves with manually adjustable annular gap ■ Nominal sizes 100, 125, 160, 200 mm ■ Volume flow rate range 10 – 50 l/s or 36 – 180 m³/h ■ Diffuser face made of formed sheet steel, powder-coated ■ For variable and constant volume flows ■ For ceiling and wall installation ■ Easy to install ■ Volume flow rate balancing by simply turning the valve disc ■ Inexpensive solution for small rooms

Product data sheet General information Function Technical data Quick sizing Specification text Order code Dimensions Product details Nomenclature General information Application ▪ Disc valves are used as extract air devices in small rooms ▪ For variable and constant volume flows ▪ For walls and suspended ceilings Special features ▪ Continuous volume flow rate balancing by turning the valve disc ▪ Easy to install Nominal sizes ▪ 100, 125, 160, 200 Parts and characteristics ▪ Valve disc with threaded spindle and lock nut ▪ Valve casing including cross bar with orifice for the threaded spindle...

Product data sheet Function Extract air valves extract air from rooms and lead it into the extract air part of the air conditioning system. Type LVS disc valves have a valve disc that can be turned. This simplifies the volume flow rate balancing adjustment during commissioning. Schematic illustration ① Valve disc ② Valve casing ③ Cross bar ④ Threaded spindle with lock nut

Product data sheet Technical data Nominal sizes Minimum volume flow rate Maximum volume flow rate Quick sizing Quick sizing tables provide a good overview of the volume flow rates and corresponding sound power levels and differential pressures. LVS/100, LVS/125, sound power level and total differential pressure NS LVS/160, sound power level and total differential pressure NS LVS/200, sound power level and total differential pressure NS Sizing example Given data qv = 25 l/s (90 m³/h) Extract air valve Maximum sound power level 30 dB(A) Quick sizing Type LVS Selectable nominal sizes: 125,

Product data sheet Specification text This specification text describes the general properties of the product. Texts for variants can be generated with our Easy Product Finder design program. Specification text Circular disc valves as extract air devices, preferably for small rooms. For installation into walls and suspended ceilings. Readyto-install component which consists of a valve casing with cross bar, a valve disc with threaded spindle, and an installation subframe. The valve disc can be turned for volume flow rate balancing. The valve setting can be fixed with a lock nut. Spigots are...

Product data sheet Order code LVS / 160 | | 1 2 1 Type LVS Disc valve 2 Nominal size [mm] 100, 125, 160, 200 Order example: LVS/160 Nominal size

Product data sheet Installation subframe for LVS and Z-LVS ØD₁

Product data sheet Product details Installation and commissioning ▪ Installation flush with the wall or ceiling ▪ Perform volume flow rate balancing by turning the valve disc, then tighten the lock nut to fix the valve disc in the required position These are only schematic diagrams to illustrate installation details. Installation flush with the wall or ceiling, with installation subframe Setting range

Product data sheet Nomenclature NS [mm] Nominal size ØD [mm] Outer diameter of the spigot LWA [dB(A)] A-weighted sound power level of air-regenerated noise ØD₁ [mm] Outer diameter of a circular diffuser face qv [m³/h]; [l/s] Volume flow rate L₁ [mm] Length of the face cover ring Δtz [K] Supply air to room air temperature difference, i.e. supply air temperature minus room temperature L₂ [mm] Installed length A [m²] Upstream cross section Δpt [Pa] Total differential pressure All sound power levels are based on 1 pW.