VLA121, Internal thread PN16 VLA131, Internal thread PN16
VLA121, Internal thread PN16 VLA131, Internal thread PN16

Control valve

VLA100

Series VLA100 are 2-way and 3-way control valves suitable for mixing and flow regulation up to 16 bar. The valves are made of high-performing nodular iron allowing use in heating and cooling installations. The VLA100 series is available in 2-way DN15-DN50 ;3-way DN15-50 and comes with one type of connection. The valve is perfectly combined with ESBE actuators and controllers.

  • Superb regulation for best mixing and flow regulating performance up to 16 bar (PN16).
  • Superb low internal leakrate and 100% tested product.
  • Long lasting and high durability.
  • Perfect match between the valve and ESBE actuators.

Product range

VLA121 front_B-01
VLA121
VLA131 front_B-01
VLA131
2-way Control valve series VLA121
Art.no.ReferenceDNKvs** Kvs-value in m3/h at a pressure drop of 1 bar.A mmB mmC mmE mmH mmK mmRangeability Kv/Kv minWeight kgNTCNTC = National Trade Code
21150100VLA121151.685381082420Rp 1/2">501.0 
21150200VLA121152.585381082420Rp 1/2">501.0 
21150300VLA12115485381082420Rp 1/2">501.0 
21150400VLA121206.3100401153020Rp 3/4">501.2 
21150500VLA1212510115401193420Rp 1">501.3 
21150600VLA1213216130411203520Rp 1 1/4">501.8 
21150700VLA1214025150501284220Rp 1 1/2">502.7 
21150800VLA1215038180591385320Rp 2">504.2 
3-way Control valve series VLA131
Art.no.ReferenceDNKvs** Kvs-value in m3/h at a pressure drop of 1 bar.A mmB mmC mmE mmH mmK mmRangeability Kv/Kv minWeight kgNTCNTC = National Trade Code
21150900VLA131151.685581082420Rp 1/2">501.1 
21151000VLA131152.585581082420Rp 1/2">501.1 
21151100VLA13115485581082420Rp 1/2">501.1 
21151200VLA131206.3100611153020Rp 3/4">501.3 
21151300VLA1312510115651193420Rp 1">501.5 
21151400VLA1313216130701203520Rp 1 1/4">502.1 
21151500VLA1314025150741284220Rp 1 1/2">503.0 
21151600VLA1315038180901385320Rp 2">504.7 

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 16 
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.: +130 °C
min.: -20 °C
Connection, Internal thread: EN 10226-1 
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 15-50
. 3-way control valves_GB_A-01
3-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

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Data Sheet VLA100
Replacements Linear valves
2D Image VLA121
2D Image VLA131
3D drawing (stp file) VLA121, DN15
3D drawing (stp file) VLA121, DN20
3D drawing (stp file) VLA121, DN25
3D drawing (stp file) VLA121, DN32
3D drawing (stp file) VLA131, DN32
3D drawing (stp file) VLA121, DN40
3D drawing (stp file) VLA131, DN40
3D drawing (stp file) VLA121, DN50
3D drawing (stp file) VLA131, DN50

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