Bild Shape 4


Lug and wafer valves for HPBV replacement

The WAK has a wide range of uses due to its lowcost
construction as a lug and wafer design.

Its sealing system is incorporated in the body and
guarantees low-friction opening and closing without
jamming. The metal seal ensures tightness on one
side and is designed to withstand high temperatures.

The WAK features first-class control characteristics
and very low pressure losses. The hydrodynamically
optimised, low-cost valve is used in a great many
applications, particularly in compressor and pump

The WAK is available in a variety of models, such as:
• Fire-safe model
• Single flange model
• With tapped and through-holes (lug type)

• Low torques
• Compact design
• Low weight

• Any installation position
• Good control characteristics
• Wide range of applications

DN 80 / 3 inches up to DN 1200 / 48 inches

Temperature range
–20 °C / –4 °F up to 150 °C / 302 °F (soft seal)
–50 °C / –58 °F up to 500 °C / 932 °F (metal seal)

Pressure Class
ANSI 150/300

Construction lengths in accordance with
API 609

Valves designed in accordance with international
standards, e. g.

Manual, electric, pneumatic, hydraulic

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