Z-LVS_img_01psd.png

Z-LVS_img_01psd.png

Z-LVS   

For supply air

Circular disc valves with manually adjustable annular gap

  • Nominal sizes 100, 125, 160, 200 mm

  • Volume flow rate range 10 – 90 l/s or 36 – 324 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 supply air devices in small rooms

  • Horizontal radial supply air discharge

  • For variable and constant volume flows

  • For room heights up to 4 m (lower edge of suspended ceiling)

  • 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

Supply air valves direct the air from air conditioning systems into the room. The resulting airflow induces high levels of room air, thereby rapidly reducing the airflow velocity and the temperature difference between supply air and room air. The result is a mixed flow ventilation in comfort zones, with good overall room ventilation, creating only very little turbulence in the occupied zone. Type Z-LVS disc valves have a valve disc that can be turned. Horizontal air discharge is radial. This valve disc facilitates volume flow rate balancing for commissioning.

 


Nominal sizes100, 125, 160, 200 mm
Minimum volume flow rate10 – 30 l/s from 36 – 108 m³/h
Maximum volume flow rate25 – 90 l/s from 90 – 324 m³/h

Quick sizing tables provide a good overview of the volume flow rates and corresponding sound power levels and differential pressures.


Z-LVS/100, Z-LVS/125, sound power level and total differential pressure


NSAirway width = 12 mmAirway width = 10 mmAirway width = 8 mm
qᵥ [l/s]qᵥ [m³/h]Δpt [Pa]LWA [dB(A)]Δpt [Pa]LWA [dB(A)]Δpt [Pa]LWA [dB(A)]
10010369<1511<1514<15
1001554202324243227
1002072353142335736
1002590543866408943
12510365<157<1511<15
125155410<1515<152417
1252072181727214326
1252590282343286733



Z-LVS/160, Z-LVS/200, sound power level and total differential pressure

NSAirway width = 20 mmAirway width = 15 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)]
16020725<158<152219
1603010811<1519214932
16040144202434308742
160501803131533813549
200301084<158<1514<15
2005018012<1521194026
20070252242541307836
200903244033683812944



Sizing example

Given data

qv = 20 l/s (72 m³/h)

Supply air valve
Maximum sound power level 32 dB(A)

 

Quick Sizing

Type Z-LVS
Selectable nominal sizes: 100, 125, 160
Selected: Z-LVS/125


Specification text

Circular disc valves as supply 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. Spigot suitable for ducts 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 – 30 l/s or 36 – 108 m³/h

  • Maximum volume flow rate: 25 to 90 l/s or 90 to 324 m³/h



Sizing data

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


Z-LVS / 160
||
12

1 Type
Z-LVS Disc valve 

2 Nominal size [mm]
100, 125, 160, 200       

Order example: Z-LVS/160
Nominal size160

Dimensions, Product details

  • DIMENSIONS
  • PRODUCT DETAILS
NS∅D₁L₁L₂L₄∅D∅D₂∅D₃m
mmmmmmmmmmmmmmkg
10013285032991221140.23
125162950381241481400.32
1601921050431591841760.5
2002451150521992252170.67
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.

Downloads

product information

certificates

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Our department for Service-Requests will contact you asap.
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Tel.: +44 (0)1842 754545 | Fax: +44 (0)1842 763051