VLC125, Flange PN25 VLC225, Flange PN25 with pressure-balanced plug
VLC125, Flange PN25 VLC225, Flange PN25 with pressure-balanced plug

Control valve

VLC100, VLC200

Series VLC125-225 are 2-way control valves with flange connection PN25, suitable for flow regulation up to 25 bar. The valves are made of high-performing nodular iron allowing use in heating and cooling installations. The VLC series is available in 2-way DN15-DN50 ; 2-way with pressure balancing plug and comes with a PN25 flange to suit PN25 flange pipe connections. The valve is perfectly combined with ESBE actuators and controllers.
  • Superb regulation for best flow regulating performance up to 25 bar (PN25).
  • Real low internal leakrate and 100% tested product.
  • Long lasting and high durability.
  • Pressure balancing plug available.
  • Perfect match between the valve and ESBE actuators.

Product range

VLC125, VLC225, VLC325, VLC425
VLC125, VLC225, VLC325, VLC425
2-way Control valve series VLC125
Art.no.ReferenceDNKvs** Kvs-value in m3/h at a pressure drop of 1 bar.A mmB mmC mmD mmE mmF mmG mmH mmRangeability Kv/Kv minWeight kgNTCNTC = National Trade Code
21300100VLC125150.25130811224x1420379565>503.6 
21300200VLC125150.4130811224x1420379565>503.6 
21300300VLC125150.63130811224x1420379565>503.6 
21300400VLC125151130811224x1420379565>503.6 
21300500VLC125151.6130811224x1420379565>503.6 
21300600VLC125152.5130811224x1420379565>503.6 
21300700VLC125154130811224x1420379565>503.6 
21300800VLC125206.3150921244x14204010575>2004.4 
21301700VLC125251.6160961304x14204511585>304.4 
21301800VLC125252.5160961304x14204511585>704.4 
21301900VLC125254160961304x14204511585>1004.4 
21302000VLC125256.3160961304x14204511585>2004.4 
21300900VLC1252510160961304x14204511585>2005.6 
21301000VLC12532161801001434x192058140100>2007.7 
21302100VLC125401.6200991444x192060150110>307.7 
21302200VLC125402.5200991444x192060150110>707.7 
21302300VLC125404200991444x192060150110>707.7 
21302400VLC125406.3200991444x192060150110>1007.7 
21302500VLC1254010200991444x192060150110>2007.7 
21302600VLC1254016200991444x192060150110>2007.7 
21301100VLC1254025200991444x192060150110>2008.8 
21301200VLC12550382301111604x192075165125>20012.6 
2-way Control valve series VLC225 with pressure balanced plug
Art.no.ReferenceDNKvs** Kvs-value in m3/h at a pressure drop of 1 bar.A mmB mmC mmD mmE mmF mmG mmH mmRangeability Kv/Kv minWeight kgNTCNTC = National Trade Code
21301300VLC2252510160961304x14204511585>2005.9 
21301400VLC22532161801001434x192058140100>2008.1 
21301500VLC2254025200991444x192060150110>2009.3 
21301600VLC22550382301111604x192075165125>20013.5 

Installation support

Technical data

Suitable application area
Recommended
  • Heating
  • Comfort Cooling
  • District Heating
  • District Cooling
Technical data
Type: 2-way plug valve 
Pressure class: PN 25 
Flow characteristic A-AB: EQM 
Stroke: 20 mm
Rangeability Kv/Kv min: see table 
Leakrate A-AB, DN15 max. 0.02% of Kv 4 
- DN25: max. 0.02% of Kv 10 
- DN40: max. 0.02% of Kv 25 
- DN20, DN32, DN50: max. 0.02% of Kvs 
∆P max: See product catalogue 
Media temperature, max.: +150 °C
min.: -20 °C
Connection, Flange: ISO 7005-2 
Material, Body: Nodular iron, EN-JS 1030 
Stem: Stainless steel, SS 2346 
Plug: Stainless steel, SS 2346 
Seat: Stainless steel, SS 2346 
Seat seal: Metallic 
Packing box seal: PTFE/EPDM 
Conformity: DN 15-40: PED 2014/68/EU, article 4.3 
DN50: PED 2014/68/EU, category I, Module A, Fluid group 2 
Dimensioning $name
Dimensioning guide - Please see data sheet
Valve characteristics 2-way control valves_GB_A-01
2-way valves, DN 15-50

Accessories and spare parts

Adaptor kits
ImageArt.no.ReferenceDesignationNational trade codeNoteData sheetInstructions manual

VLA821

Adaptor kit Siemens SQX actuators.
26000700VLA821Siemens SQX actuators For valves DN 15-50. 
Spare parts
ImageArt.no.ReferenceDesignationNational trade codeNoteData sheetInstructions manual

VLA901

Exchange kit VLA901 Packing box.
27000100VLA901Exchange kit VLA901 Packing box Applies to valve type VLAxxx, VLExxx  

Download area

Find here direct related product information for download. If you don’t find your specific need here please look further into below mentioned "Quick links" or this website's “Search” and “Support” area.
Data Sheet VLC100, VLC200
Certificate Declaration of Conformity VLC100, VLC200 DN 15-40
Certificate Declaration of Conformity VLC100, VLC200 DN50
Certificate Building Product Declaration BPD3
Guide Selection guide, Linear Valves & Actuators
Image VLC125, high res
Image VLC225, high res
2D Image 2D image
3D drawing (stp file) VLC125, DN15
3D drawing (stp file) VLC125, DN20
3D drawing (stp file) VLC125, DN25
3D drawing (stp file) VLC125, DN32
3D drawing (stp file) VLC125, DN40
3D drawing (stp file) VLC125, DN50

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