Venting / Draining Ball Valves


The Vexve venting/draining ball valve (type NAVAL) has been specially designed for systems,
that require venting or draining for safety reasons or for maintenance and repair work.
Liquids or impurities e.g. can be drained from the pipe via the drain connection.
Air present in the system, on the other hand, can be conveniently drained via the venting ball valve.
The combined shut-off, venting and draining function in just one ball valve minimizes downtimes and costs and maximizes operational safety.

Vexve venting/draining ball valves can be used in a wide range of industrial sectors, including district heating and district cooling networks and,
thanks to their versatility and reliability, help to optimize operational processes and compliance with stringent safety and environmental standards.

Applications venting/draining ball valve

  • constructed for many different applications, especially suitable for systems that require regular venting or draining 
  • operating conditions according to data sheet

Construction venting/draining ball valve

  • fully welded steel body in a compact design
  • stainless steel floating ball with spring-loaded, graphite-reinforced PTFE ball seals
  • blow-out safe, dry spindle made of stainless steel with triple sealing (two FPM O-rings + graphite-reinforced PTFE pressure ring)
  • incl. hand lever with 90° open/close stop
  • incl. vent and drain opening
  • incl. sealing cap

Versions venting/draining ball valve

  • Nominal sizes:
    DN15-25
  • Pressure ratings:
    PN40
  • Connection types:
    welding end / male thread + cap
  • Bore types:
    reduced bore
  • Operation:
    hand lever
  • Special solutions:
    special customer-oriented solutions on request

Features venting/draining 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
  • suitable for many different applications, even in demanding environments
  • low torque
  • no through rotation of ball possible thanks to the open/close stop
  • clear position indicator
  • low heat loss due to air-filled spindle dome
  • full bi-directional tightness (EN 12266-1, leakage rate A)
  • good and cost-effective insulation
  • no issues with condensation

This might also interest you:

Longstem Ball Valves
Longstem Ball Valves
Fully Welded Ball Valves
Fully Welded Ball Valves
Kähler Product Portfolio
Kähler Product Portfolio

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Phone +49 (2174) 7848 - 0 | Email: info@kaehler-armaturen.de | Arrange a consultation

Our products in the category „Venting / Draining Ball Valves“

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KÄHLER Ball Valve WE/IT DN015 PN40 rb Steel H X
KÄHLER Ball Valve WE/IT DN015 PN40 rb Steel H X
Shut-off ball valve X-Series welding end / inner threaded end 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 101015X Operation conditions acc. to data sheet incl. composite handle
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KÄHLER Ball Valve WE/IT DN020 PN40 rb Steel H X
KÄHLER Ball Valve WE/IT DN020 PN40 rb Steel H X
Shut-off ball valve X-Series welding end / inner threaded end 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 101020X Operation conditions acc. to data sheet incl. composite handle
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KÄHLER Ball Valve WE/IT DN025 PN40 rb Steel H X
KÄHLER Ball Valve WE/IT DN025 PN40 rb Steel H X
Shut-off ball valve X-Series welding end / inner threaded end 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 101025X Operation conditions acc. to data sheet incl. composite handle
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KÄHLER Ball Valve WE/IT DN032 PN40 rb Steel H X
KÄHLER Ball Valve WE/IT DN032 PN40 rb Steel H X
Shut-off ball valve X-Series welding end / inner threaded end 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 101032X Operation conditions acc. to data sheet incl. composite handle
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KÄHLER Ball Valve WE/IT DN040 PN40 rb Steel H X
KÄHLER Ball Valve WE/IT DN040 PN40 rb Steel H X
Shut-off ball valve X-Series welding end / inner threaded end 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 101040X Operation conditions acc. to data sheet incl. composite handle
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KÄHLER Ball Valve WE/IT DN050 PN40 rb Steel H X
KÄHLER Ball Valve WE/IT DN050 PN40 rb Steel H X
Shut-off ball valve X-Series welding end / inner threaded end 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 101050X Operation conditions acc. to data sheet incl. composite handle
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KÄHLER Ball Valve WE/OT DN015 PN40 rb Steel H X
KÄHLER Ball Valve WE/OT DN015 PN40 rb Steel H X
Shut-off ball valve X-Series welding end / outer thread with cap 3/4" and chain 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 101015X/G34 Type Naval 28402334 Operation conditions acc. to data sheet incl. composite handle
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KÄHLER Ball Valve WE/OT DN015 PN40 rb Steel H X
KÄHLER Ball Valve WE/OT DN015 PN40 rb Steel H X
Shut-off ball valve X-Series welding end / outer thread with cap 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 101015X/G Operation conditions acc. to data sheet incl. composite handle
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KÄHLER Ball Valve WE/OT DN020 PN40 rb Steel H X
KÄHLER Ball Valve WE/OT DN020 PN40 rb Steel H X
Shut-off ball valve X-Series welding end / outer thread with cap 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 101020X/G Type Naval 284025 Operation conditions acc. to data sheet incl. composite handle
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KÄHLER Ball Valve WE/OT DN025 PN40 rb Steel H X
KÄHLER Ball Valve WE/OT DN025 PN40 rb Steel H X
Shut-off ball valve X-Series welding end / outer thread with cap 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 101025X/G Type Naval 284026 Operation conditions acc. to data sheet incl. composite handle
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KÄHLER Kugelhahn SE/AG DN050 PN40 rD Stahl H
KÄHLER Kugelhahn SE/AG DN050 PN40 rD Stahl H
Absperrkugelhahn Anschweißende / Außengewinde inkl. Kette + Kappe 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 101050/G Typ Naval 284029 Betriebsbedingungen gemäß Datenblatt Inklusive Handhebel