LVS_img_01psd.png

LVS_img_01psd.png

LVS  

For extract air


 

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

 

 

 


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
  • Installation subframe that accommodates the disc valve


Materials and surfaces

  • Valve casing and valve disc made of sheet steel
  • Installation subframe, threaded spindle and lock nut made of galvanised steel
  • Foam seal
  • Valve casing and valve disc powder-coated, similar to RAL 9010


Standards and guidelines

  • Sound power level of the air-regenerated noise measured according to EN ISO 5135


Maintenance

  • Low maintenance as construction and materials are not subject to wear
  • Inspection and cleaning to VDI 6022


Technical information

Function, Technical Data, Quick sizing, Specification text, Order code

  • FUNCTION
  • TECHNICAL DATA
  • QUICK SIZING
  • SPECIFICATION TEXT
  • ORDER CODE
Schematic illustration LVS_gc_04ai.png

① Valve disc

② Valve casing

③ Cross bar

④ Threaded spindle with lock nut


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.

 


Nominal sizes100, 125, 160, 200 mm
Minimum volume flow rate10 – 25 l/s or 36 – 90 m³/h
Maximum volume flow rate25 – 50 l/s or 90 – 180 m³/h


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

NSAirway width = 5 mmAirway width = 0 mmAirway width = -5 mm
qᵥ [l/s]qᵥ [m³/h]Δpt [Pa]LWA [dB(A)]Δpt [Pa]LWA [dB(A)]Δpt [Pa]LWA [dB(A)]
10010368<1514<153016
100155419<1532196726
10020723322562711933
10025905228883218639
12515549<1513<1522<15
125207215<1523<154019
125259024<1536186224
12530108351852239029



LVS/160, sound power level and total differential pressure

NSAirway width = 5 mmAirway width = -5 mmAirway width = -10 mm
qᵥ [l/s]qᵥ [m³/h]Δpt [Pa]LWA [dB(A)]Δpt [Pa]LWA [dB(A)]Δpt [Pa]LWA [dB(A)]
16020729<1524<154317
160259014<1538186724
1603010820<1555239629
160351262716752713134



LVS/200, sound power level and total differential pressure

NSAirway width = 5 mmAirway width = -5 mmAirway width = -15 mm
qᵥ [l/s]qᵥ [m³/h]Δpt [Pa]LWA [dB(A)]Δpt [Pa]LWA [dB(A)]Δpt [Pa]LWA [dB(A)]
20025904<159<1521<15
200351269<1517<154120
2004516214<1528166827
2005018018<1534198430


  1. Sizing example
  2. Given data

  3. qv = 25 l/s (90 m³/h)
  4. Extract air valve
  5. Maximum sound power level 30 dB(A)

 

Quick sizing

  1. Type LVS
  2. Selectable nominal sizes: 125, 160, 200
  3. Selected: LVS/125

Specification text

Circular disc valves as extract air devices, preferably for small rooms. For installation into walls and suspended ceilings. Ready-to-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 suitable for ducting according to EN 1506 or EN 13180. Sound power level of the air-regenerated noise measured according to EN ISO 5135.


Special features

  • Continuous volume flow rate balancing by turning the valve disc
  • Easy to install


Materials and surfaces

  • Valve casing and valve disc made of sheet steel
  • Installation subframe, threaded spindle and lock nut made of galvanised steel
  • Foam seal
  • Valve casing and valve disc powder-coated, similar to RAL 9010


Technical data

  • Nominal sizes: 100, 125, 160, 200 mm
  • Minimum volume flow rate: 10 – 25 l/s or 36 – 90 m³/h
  • Maximum volume flow rate: 25 to 50 l/s or 90 to 180 m³/h


Sizing data

  • Volume flow rate qv [m³/h] (information required for sizing)



LVS / 160
||
12

1 TypeLVS Disc valve 2 Nominal size [mm]100, 125, 160, 200       

Order example: LVS/160
Nominal size160

Dimensions

  • DIMENSIONS
NS∅D₁L₁L₂L₄∅D∅D₂∅D₃m
mmmmmmmmmmmmmmkg
10013285032991221140.2
125162950381241481400.29
1601921050431591841760.44
2002451150521992252170.59

LVS

Product details

  • 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 opening


NS∅d
mm
100104
125129
160164
200204

Downloads

product information

certificates

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Our department for Service-Requests will contact you asap.
For general question regarding products or services you can also call:
Tel.: +44 (0)1842 754545 | Fax: +44 (0)1842 763051