DVGW Butterfly Valves AK211W Lug Butterfly Valve for Potable Water

The AK211W is a concentric butterfly valve which was designed for potable water applications. The body is made of epoxy-coated GGG40, the disc is made of stainless steel 1.4408 (CF8M) and the seat ring is made of EPDM. This butterfly valves is certified according DVGW potable water. All valves of the FERGO Armaturen GmbH are very easy to automate due to the standard top-mounting flange (ISO5211); we can do this for you, too. The AK211W is also deliverable as wafer type, it is called AK210W then.

 

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Butterfly Valve type AK211W-D2SELL (Art.-Nr.: 150-1625-xx)
• LUG type for mounting between flanges PN10
• Top flange ISO 5211
• Concentric design
• Body: GGG40 + Epoxy 120µm, RAL5015
• Disc: CF8M (1.4408)
• Shaft: AISI 420
• Seat: EPDM (DVGW, ACS, WRAS, KTW, W270)
• Temp. (min./max.): -20°C to +95°C
• Operation: regulation lever (aluminium)
• DVGW certified

Butterfly Valve type AK211W-D2SELL (Art.-Nr.: 150-1645-xx)
• LUG type for mounting between flanges PN16
• Top flange ISO 5211
• Concentric design
• Body: GGG40 + Epoxy 120µm, RAL5015
• Disc: CF8M (1.4408)
• Shaft: AISI 420
• Seat: EPDM (DVGW, ACS, WRAS, KTW, W270)
• Temp. (min./max.): -20°C to +95°C
• Operation: regulation lever (aluminium)
• DVGW certified

Type

Butterfly Valve

Operations

Electric Actuator, Pneumatic double-acting, Pneumatic single-acting, Lever, Topflange (ISO 5211), Gearbox with Handwheel, Regulation Lever

Sizes

DN25, DN32, DN40, DN50, DN65, DN80, DN100, DN125, DN150, DN200, DN250, DN300

Flange connection

PN10, PN16

Face-to-face

DIN EN 558-1 Line 20

Body material

GJS400

Butterfly Disc

CF8M (1.4408)

Disc sealing

EPDM

Pressure range

PN10, PN16