HQANPump & Valve
Genuine KSB

KSB BOA-H Bellows-Sealed Globe Valve

Flanged globe valve with a metal bellows at the stem, for hot water heating, air-conditioning and boiler feed lines.

KSB BOA-H bellows-sealed globe valve

Key technical data

KSB type seriesBOA-H
Model code prefixBOA-H
Pump or valve typeBellows-sealed globe valve
Nominal pressurePN 16 / PN 25
Largest nominal sizeDN 350
Maximum fluid temperature350 °C

Maximum values of the KSB type series; the rating of each model depends on size, material and build.

Genuine, original KSB with a 12-month warranty. Typical lead time about 6 weeks from order confirmation.
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Design features

  • When the valve is fully open, the bellows sits inside the valve body, protected from pressure surges.
  • Position indicator with travel stop and locking device outside the insulation: the disc position can be checked at any time.
  • Throttling plug as standard up to DN 100; a seat-guided V-port plug is available for all sizes.
  • PN 16 and PN 25, up to DN 350, fluid temperature up to 350 °C.

Typical uses

  • Hot water heating systems
  • Air-conditioning systems
  • Boiler feed applications
  • Boiler recirculation

What to send for a quote

  • Nominal size (DN) and pressure class (PN)
  • Body material, if you have a preference
  • Fluid and operating temperature
  • Quantity and delivery country