KSB VALVE - BUTTERFLY VALVE BOAX-B

KSB GROUP

BOAX-B – Soft-seated, Centred-disc Butterfly Valve

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1. Design

Centred-disc butterfly valve, sealed by elastomer liner (EPDM XC or nitrile K), with lever, manual gearbox, pneumatic or electric actuator; wafer-type body (T1), semi-lug body (T2), full-lug body (T4) or U-section body with flat faces (T5). Body types T2, T4 and T5 are suitable for downstream dismantling and dead-end service. Valve disc made of nodular cast iron or stainless steel. Connections to EN, ASME or JIS.

2. Application

Engineering contractors. General water circuits, fuel oil, oil. Shut-off and control duties in water management, for water supply and water treatment, drainage and irrigation.

Material	EN-GJL 250
Nominal sizes	DN 40 to DN 1000
Nominal pressure	PN 10/16
Permissible operating temperature	-10 to +110°C
Permissible operating pressure	16 bar

1. Versatile

Suitable for actuation by lever, pneumatic and electric actuators, or gearboxes (manual actuation)

2. Absolutely reliable shut-off and sealing
The unique AMRING® sealing system makes for tight valve closure and reliable sealing to atmosphere.

The spherically machined valve disc and the matching spherically moulded liner ensure perfectly tight shutoff, even if the valve is actuated frequently.
The specially designed liner also provides a tight seal at the flange connections, eliminating the need for an
extra gasket.

3. Long service life, zero maintenance

Only the valve disc and liner come into contact with the fluid handled
No risk of corrosion, straightforward dismantling
The keyed or splined positive connection between shaft and disc ensures optimum power transmission.

4. Product certification