Balancing Ball Valves / Regulating Ball Valves / Control Valves


The Vexve balancing ball valve (type Naval) is a line regulating valve with a combined shut-off and control function
and thus combines the high shut-off capabilities of a ball valve with optimum flow control.

The special features of the Vexve balancing ball valve are its precise measuring accuracy and low flow turbulence.
Thanks to the newly developed control ball with V-port, the flow is controlled even more effectively than with conventional control valves
with a consistently low resistance value and absolute tightness when closed.
Cavitation and noise are almost completely avoided.

Vexve balancing ball valves are used for shutting off and regulating mainly in heating and cooling systems.

Applications balancing ball valve

  • constructed for shutting off and regulating in heating and cooling systems
  • suitable for all non-aggressive media, such as district heating or cooling water
  • operating conditions according to data sheet

Construction balancing ball valve

  • fully welded steel or stainless steel body in a compact design
  • stainless steel floating ball with spring-loaded, glass fiber reinforced PTFE ball seals
  • ball with V-shaped opening and composite guide tube inside for optimum control characteristics
  • blow-out safe spindle made of stainless steel with triple sealing (two FPM O-rings + graphite-reinforced PTFE pressure ring)
  • self-locking brass measuring nipple (DN15-50)
  • clear adjustment scale
  • incl. operation with 90° open/close stop

Versions balancing ball valve

  • Nominal sizes:
    DN15-400 (steel version)
    DN15-250 (stainless steel version)
  • Pressure ratings:
    PN16, 25, 40
  • Connection types:
    welding end / welding end
    flange  / flange
  • Bore types:
    reduced bore
  • Operation:
    DN10-50 rotary knob
    DN65-150 removable hand lever
    DN200-400 manual gear
  • Special solutions:
    special customer-oriented solutions on request

Features balancing ball valves

Fully welded construction of high-quality materials

  • made from high-quality European materials following highest quality standards
  • high user and environmental friendliness
  • high energy efficiency
  • robust and reliable even at high pressure and high temperatures thanks to pressure vessel steel
  • compact construction
  • space-saving design
  • maintenance-free
  • long service life

Easy installation and application, good insulating properties

  • safe, quick and easy to install
  • combined shut-off and regulation function
  • excellent control properties thanks to V-shaped ball opening
  • wide and precise control range
  • low torque
  • no through rotation of ball possible thanks to the open/close stop
  • full bi-directional tightness (EN 12266-1, leakage rate A)
  • absorbs pressure shocks without damaging the structure
  • good and cost-effective insulation
  • no issues with condensation

Adjustment scale

  • clear adjustment scale with nine control points
  • control via rotary knob, removable hand lever or manual hand gear depending on the nominal diameter
  • marked, adjustable flow direction
  • shut-off possibility

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Fully Welded Ball Valves
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Kähler Product Portfolio

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Our products in the category „Balancing Valves“

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KÄHLER Balanc. Valve FL/FL DN015 PN25 rb Steel K X
KÄHLER Balanc. Valve FL/FL DN015 PN25 rb Steel K X
Balancing ball valve X-Series flanged ends EN1092-1 fully-welded construction reduced bore Body material: Steel P235GH (1.0345) Ball material: Stainless steel X5CrNi18-10 (1.4301) Spring-loaded ball sealing made of reinforced PTFE Stem: Stainless steel X8CrNiS18-9 (1.4305) Steam sealing: FPM Type Vexve 143015X Operation conditions: acc. to Datasheet incl. precision control knop
KÄHLER Balanc. Valve FL/FL DN020 PN25 rb Steel K X
KÄHLER Balanc. Valve FL/FL DN020 PN25 rb Steel K X
Balancing ball valve X-Series flanged ends EN1092-1 fully-welded construction reduced bore Body material: Steel P235GH (1.0345) Ball material: Stainless steel X5CrNi18-10 (1.4301) Spring-loaded ball sealing made of reinforced PTFE Stem: Stainless steel X8CrNiS18-9 (1.4305) Steam sealing: FPM Type Vexve 143020X Operation conditions: acc. to Datasheet incl. precision control knop
KÄHLER Balanc. Valve FL/FL DN025 PN25 rb Steel K X
KÄHLER Balanc. Valve FL/FL DN025 PN25 rb Steel K X
KÄHLER Balanc. Valve FL/FL DN025 PN16 rb Steel K X Balancing ball valve X-Series flanged ends EN1092-1 fully-welded construction reduced bore Body material: Steel P235GH (1.0345) Ball material: Stainless steel X5CrNi18-10 (1.4301) Spring-loaded ball sealing made of reinforced PTFE Stem: Stainless steel X8CrNiS18-9 (1.4305) Steam sealing: FPM Type Vexve 143025X Operation conditions: acc. to Datasheet incl. precision control knop
KÄHLER Balanc. Valve FL/FL DN032 PN25 rb Steel K X
KÄHLER Balanc. Valve FL/FL DN032 PN25 rb Steel K X
Balancing ball valve X-Series flanged ends EN1092-1 fully-welded construction reduced bore Body material: Steel P235GH (1.0345) Ball material: Stainless steel X5CrNi18-10 (1.4301) Spring-loaded ball sealing made of reinforced PTFE Stem: Stainless steel X8CrNiS18-9 (1.4305) Steam sealing: FPM Type Vexve 143032X Operation conditions: acc. to Datasheet incl. precision control knop
KÄHLER Balanc. Valve FL/FL DN040 PN25 rb Steel K X
KÄHLER Balanc. Valve FL/FL DN040 PN25 rb Steel K X
Balancing ball valve X-Series flanged ends EN1092-1 fully-welded construction reduced bore Body material: Steel P235GH (1.0345) Ball material: Stainless steel X5CrNi18-10 (1.4301) Spring-loaded ball sealing made of reinforced PTFE Stem: Stainless steel X8CrNiS18-9 (1.4305) Steam sealing: FPM Type Vexve 143040X Operation conditions: acc. to Datasheet incl. precision control knop
KÄHLER Balanc. Valve FL/FL DN050 PN25 rb Steel K X
KÄHLER Balanc. Valve FL/FL DN050 PN25 rb Steel K X
Balancing ball valve X-Series flanged ends EN1092-1 fully-welded construction reduced bore Body material: Steel P235GH (1.0345) Ball material: Stainless steel X5CrNi18-10 (1.4301) Spring-loaded ball sealing made of reinforced PTFE Stem: Stainless steel X8CrNiS18-9 (1.4305) Steam sealing: FPM Type Vexve 143050X Operation conditions: acc. to Datasheet incl. precision control knop
KÄHLER Balanc. Valve FL/FL DN065 PN16 rb Steel K
KÄHLER Balanc. Valve FL/FL DN065 PN16 rb Steel K
Balancing ball valve flanged ends EN1092-1 fully-welded construction reduced bore Body material: Steel P235GH (1.0345) Ball material: Stainless steel X5CrNi18-10 (1.4301) Spring-loaded ball sealing made of reinforced PTFE Stem: Stainless steel X8CrNiS18-9 (1.4305) Steam sealing: FPM Type Vexve 143065 Type Naval 265510V Operation conditions: acc. to Datasheet incl. precision control knop
KÄHLER Balanc. Valve FL/FL DN065 PN25 rb Steel K
KÄHLER Balanc. Valve FL/FL DN065 PN25 rb Steel K
Balancing ball valve flanged ends EN1092-1 fully-welded construction reduced bore Body material: Steel P235GH (1.0345) Ball material: Stainless steel X5CrNi18-10 (1.4301) Spring-loaded ball sealing made of reinforced PTFE Stem: Stainless steel X8CrNiS18-9 (1.4305) Steam sealing: FPM Type Vexve 143065/25 Type Naval 265570V Operation conditions: acc. to Datasheet incl. precision control knop
KÄHLER Balanc. Valve FL/FL DN080 PN16 rb Steel K
KÄHLER Balanc. Valve FL/FL DN080 PN16 rb Steel K
Balancing ball valve flanged ends EN1092-1 fully-welded construction reduced bore Body material: Steel P235GH (1.0345) Ball material: Stainless steel X5CrNi18-10 (1.4301) Spring-loaded ball sealing made of reinforced PTFE Stem: Stainless steel X8CrNiS18-9 (1.4305) Steam sealing: FPM Type Vexve 143080 Type Naval 265511V Operation conditions: acc. to Datasheet incl. precision control knop
KÄHLER Balanc. Valve FL/FL DN080 PN25 rb Steel K
KÄHLER Balanc. Valve FL/FL DN080 PN25 rb Steel K
Balancing ball valve flanged ends EN1092-1 fully-welded construction reduced bore Body material: Steel P235GH (1.0345) Ball material: Stainless steel X5CrNi18-10 (1.4301) Spring-loaded ball sealing made of reinforced PTFE Stem: Stainless steel X8CrNiS18-9 (1.4305) Steam sealing: FPM Type Vexve 143080/25 Type Naval 265571V Operation conditions: acc. to Datasheet incl. precision control knop
KÄHLER Balanc. Valve FL/FL DN100 PN16 rb Steel K
KÄHLER Balanc. Valve FL/FL DN100 PN16 rb Steel K
Balancing ball valve flanged ends EN1092-1 fully-welded construction reduced bore Body material: Steel P235GH (1.0345) Ball material: Stainless steel X5CrNi18-10 (1.4301) Spring-loaded ball sealing made of reinforced PTFE Stem: Stainless steel X8CrNiS18-9 (1.4305) Steam sealing: FPM Type Vexve 143100 Type Naval 265512V Operation conditions: acc. to Datasheet incl. precision control knop
KÄHLER Balanc. Valve FL/FL DN100 PN25 rb Steel K
KÄHLER Balanc. Valve FL/FL DN100 PN25 rb Steel K
Balancing ball valve flanged ends EN1092-1 fully-welded construction reduced bore Body material: Steel P235GH (1.0345) Ball material: Stainless steel X5CrNi18-10 (1.4301) Spring-loaded ball sealing made of reinforced PTFE Stem: Stainless steel X8CrNiS18-9 (1.4305) Steam sealing: FPM Type Vexve 143100/25 Type Naval 265572V Operation conditions: acc. to Datasheet incl. precision control knop
KÄHLER Balanc. Valve FL/FL DN125 PN16 rb Steel K
KÄHLER Balanc. Valve FL/FL DN125 PN16 rb Steel K
Balancing ball valve flanged ends EN1092-1 fully-welded construction reduced bore Body material: Steel P235GH (1.0345) Ball material: Stainless steel X5CrNi18-10 (1.4301) Spring-loaded ball sealing made of reinforced PTFE Stem: Stainless steel X8CrNiS18-9 (1.4305) Steam sealing: FPM Type Vexve 143125 Type Naval 265513V Operation conditions: acc. to Datasheet incl. precision control knop
KÄHLER Balanc. Valve FL/FL DN125 PN25 rb Steel K
KÄHLER Balanc. Valve FL/FL DN125 PN25 rb Steel K
Balancing ball valve flanged ends EN1092-1 fully-welded construction reduced bore Body material: Steel P235GH (1.0345) Ball material: Stainless steel X5CrNi18-10 (1.4301) Spring-loaded ball sealing made of reinforced PTFE Stem: Stainless steel X8CrNiS18-9 (1.4305) Steam sealing: FPM Type Vexve 143125/25 Type Naval 265573V Operation conditions: acc. to Datasheet incl. precision control knop
KÄHLER Balanc. Valve FL/FL DN150 PN16 rb Steel K
KÄHLER Balanc. Valve FL/FL DN150 PN16 rb Steel K
Balancing ball valve flanged ends EN1092-1 fully-welded construction reduced bore Body material: Steel P235GH (1.0345) Ball material: Stainless steel X5CrNi18-10 (1.4301) Spring-loaded ball sealing made of reinforced PTFE Stem: Stainless steel X8CrNiS18-9 (1.4305) Steam sealing: FPM Type Vexve 143150 Type Naval 265514V Operation conditions: acc. to Datasheet incl. precision control knop
KÄHLER Balanc. Valve FL/FL DN150 PN25 rb Steel K
KÄHLER Balanc. Valve FL/FL DN150 PN25 rb Steel K
Balancing ball valve flanged ends EN1092-1 fully-welded construction reduced bore Body material: Steel P235GH (1.0345) Ball material: Stainless steel X5CrNi18-10 (1.4301) Spring-loaded ball sealing made of reinforced PTFE Stem: Stainless steel X8CrNiS18-9 (1.4305) Steam sealing: FPM Type Vexve 143150/25 Type Naval 265574V Operation conditions: acc. to Datasheet incl. precision control knop
KÄHLER Balanc. Valve WE/WE DN015 PN25 rb Steel K X
KÄHLER Balanc. Valve WE/WE DN015 PN25 rb Steel K X
Balancing ball valve X-Series welding ends fully-welded construction reduced bore Body material: Steel P235GH (1.0345) Ball material: Stainless steel X5CrNi18-10 (1.4301) Spring-loaded ball sealing made of reinforced PTFE Stem: Stainless steel X8CrNiS18-9 (1.4305) Steam sealing: FPM Type Vexve 140015X Operation conditions: -20°C - +120°C incl. precision control knop
KÄHLER Regelhahn SE/SE DN020 PN25 rD Stahl K X
KÄHLER Regelhahn SE/SE DN020 PN25 rD Stahl K X
Regelkugelhahn X-Serie beidseitig Schweißenden vollverschweißte Konstruktion reduzierter gerader Durchgang Gehäuse aus Stahl P235GH (1.0345) Kugel aus Edelstahl X5CrNi18-10 (1.4301) Federbelastete Kugeldichtschalen aus graphitverst. PTFE ausblassichere Spindel aus Edelstahl X8CrNiS18-9 (1.4305) Spindelabdichtung aus FPM Typ Vexve 140020X Betriebsbedingungen -20°C bis +120°C Betätigung mittels Präzisionsdrehknopf zur Durchflusssteuerung
KÄHLER Regelhahn SE/SE DN025 PN25 rD Stahl K X
KÄHLER Regelhahn SE/SE DN025 PN25 rD Stahl K X
Regelkugelhahn X-Serie beidseitig Schweißenden vollverschweißte Konstruktion reduzierter gerader Durchgang Gehäuse aus Stahl P235GH (1.0345) Kugel aus Edelstahl X5CrNi18-10 (1.4301) Federbelastete Kugeldichtschalen aus graphitverst. PTFE ausblassichere Spindel aus Edelstahl X8CrNiS18-9 (1.4305) Spindelabdichtung aus FPM Typ Vexve 140025X Betriebsbedingungen -20°C bis +120°C Betätigung mittels Präzisionsdrehknopf zur Durchflusssteuerung
KÄHLER Regelhahn SE/SE DN032 PN25 rD Stahl K X
KÄHLER Regelhahn SE/SE DN032 PN25 rD Stahl K X
Regelkugelhahn X-Serie beidseitig Schweißenden vollverschweißte Konstruktion reduzierter gerader Durchgang Gehäuse aus Stahl P235GH (1.0345) Kugel aus Edelstahl X5CrNi18-10 (1.4301) Federbelastete Kugeldichtschalen aus graphitverst. PTFE ausblassichere Spindel aus Edelstahl X8CrNiS18-9 (1.4305) Spindelabdichtung aus FPM Typ Vexve 140032X Betriebsbedingungen -20°C bis +120°C Betätigung mittels Präzisionsdrehknopf zur Durchflusssteuerung
KÄHLER Regelhahn SE/SE DN040 PN25 rD Stahl K X
KÄHLER Regelhahn SE/SE DN040 PN25 rD Stahl K X
Regelkugelhahn X-Serie beidseitig Schweißenden vollverschweißte Konstruktion reduzierter gerader Durchgang Gehäuse aus Stahl P235GH (1.0345) Kugel aus Edelstahl X5CrNi18-10 (1.4301) Federbelastete Kugeldichtschalen aus graphitverst. PTFE ausblassichere Spindel aus Edelstahl X8CrNiS18-9 (1.4305) Spindelabdichtung aus FPM Typ Vexve 140040X Betriebsbedingungen -20°C bis +120°C Betätigung mittels Präzisionsdrehknopf zur Durchflusssteuerung
KÄHLER Regelhahn SE/SE DN050 PN25 rD Stahl K X
KÄHLER Regelhahn SE/SE DN050 PN25 rD Stahl K X
Regelkugelhahn X-Serie beidseitig Schweißenden vollverschweißte Konstruktion reduzierter gerader Durchgang Gehäuse aus Stahl P235GH (1.0345) Kugel aus Edelstahl X5CrNi18-10 (1.4301) Federbelastete Kugeldichtschalen aus graphitverst. PTFE ausblassichere Spindel aus Edelstahl X8CrNiS18-9 (1.4305) Spindelabdichtung aus FPM Typ Vexve 140050X Betriebsbedingungen -20°C bis +120°C Betätigung mittels Präzisionsdrehknopf zur Durchflusssteuerung
KÄHLER Regelhahn SE/SE DN065 PN25 rD Stahl K
KÄHLER Regelhahn SE/SE DN065 PN25 rD Stahl K
Regelkugelhahn beidseitig Schweißenden vollverschweißte Konstruktion reduzierter gerader Durchgang Gehäuse aus Stahl P235GH (1.0345) Kugel aus Edelstahl X5CrNi18-10 (1.4301) Federbelastete Kugeldichtschalen aus graphitverst. PTFE ausblassichere Spindel aus Edelstahl X8CrNiS18-9 (1.4305) Spindelabdichtung aus FPM Typ Vexve 140065 Typ Naval 264410V Betriebsbedingungen -20°C bis +200°C Betätigung mittels Handhebel mit Skalierscheibe
KÄHLER Regelhahn SE/SE DN080 PN25 rD Stahl K
KÄHLER Regelhahn SE/SE DN080 PN25 rD Stahl K
Regelkugelhahn beidseitig Schweißenden vollverschweißte Konstruktion reduzierter gerader Durchgang Gehäuse aus Stahl P235GH (1.0345) Kugel aus Edelstahl X5CrNi18-10 (1.4301) Federbelastete Kugeldichtschalen aus graphitverst. PTFE ausblassichere Spindel aus Edelstahl X8CrNiS18-9 (1.4305) Spindelabdichtung aus FPM Typ Vexve 140080 Typ Naval 264411V Betriebsbedingungen -20°C bis +200°C Betätigung mittels Handhebel mit Skalierscheibe