VLF125, Flange PN6 VLF135, Flange PN6
VLF125, Flange PN6 VLF135, Flange PN6

Control valve

VLF100

Series VLF are 2-way and 3-way control valves with flange connection PN6, suitable for mixing and flow regulation up to 6 bar. The valves are made of high-performing nodular iron allowing use in heating and cooling installations. The VLF series is available in 2-way DN20-DN50 ; 3-way DN20-DN50 and comes with a PN6 flange to suit PN6 flange pipe connections. The valve is perfectly combined with ESBE actuators and controllers.

  • Superb regulation for best mixing and flow regulating performance up to 6 bar (PN6).
  • Real low internal leakrate and 100% tested product.
  • Long lasting and high durability.
  • Perfect match between the valve and ESBE actuators.

Product range

VLF125
VLF125 front_A-01
VLF125
VLF135_VLF335 front_A-01
VLF135
2-way Control valve series VLF125
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 kg
21000400VLF125206.3150441264x1120419065>502.4
21000500VLF1252510160441314x11204610075>502.9
21000600VLF1253216180581444x14206012090>504.2
21000700VLF1254025200601464x142061130100>505.4
21000800VLF1255038230741614x142076140110>506.7
3-way Control valve series VLF135
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 kg
21001200VLF135206.3150751264x1120419065>502.9
21001300VLF1352510160801314x11204610075>503.4
21001400VLF1353216180901444x14206012090>506.0
21001500VLF13540252001001464x142061130100>506.5
21001600VLF13550382301151614x142076140110>508.2

Technical data

Suitable application area
Recommended
  • Heating
  • Comfort Cooling
  • Floor heating
  • Solar heating
  • Ventilation
  • District Heating
  • District Cooling
Technical data
Type: 2- and 3-way plug valve 
Pressure class: PN 6 
Flow characteristic A-AB: EQM 
Flow characteristic B-AB:  Complementary 
Stroke: 20 mm
Rangeability Kv/Kv min: see table 
Leakrate A-AB:  Tight sealing 
Leakrate B-AB:  Tight sealing 
∆P max: See product catalogue 
Media temperature, max.: +120 °C
min.: -20 °C
Connection, Flange: ISO 7005-2 
Material Body: Nodular iron, EN-JS 1030 
Stem: Stainless steel, SS 2346 
Plug: Brass, CW 602N 
Seat: Nodular iron, EN-JS 1030 
Blind plug: Brass, CW 602N 
Seat seal: EPDM 
Packing box seal: PTFE/EPDM 
Conformity: PED 2014/68/EU, article 4.3 
Dimensioning $name
Dimensioning guide - Please see data sheet
Valve characteristics 2-way control valves_GB_A-01
2-way valves, DN 20-50
3-way control valves_GB_A-01
3-way valves, DN 20-50

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 VLF100
2D Image VLF125
2D Image VLF135

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