Item group

Butterfly valves with pneumatic rotary actuator, PN 20 (will be discontinued)

Exemplary representation: Intermediate flange valve Exemplary representation: Flange mounted valve Schematic symbol: double acting Schematic symbol: Spring-closed Schematic symbol: Spring-opened

Butterfly valve

Materials:

Housing: GGG40, washer: GGG40 epoxy coated -A, stainless steel -B, sleeve: EPDM -A, NBR -B, hand lever with detend: GGG40

Temperature range:

-10°C to max. +110°C (NBR: +5°C to +85°C)

Operating pressure:

Intermediate flange butterfly valves: max. 20 bar, butterfly valves: max. 12 bar

Media:

liquid and neutral media (depending on the material combination)

Lengths:

DIN 3202-K1, ISO 5752 series 20, EN 558-1 series 20, BS 5155 table 6 column 4, API 609 table1

Rotary actuator

Design:

ATEX-compliant Ex II 2GD c 85° C (drive with size 12 or greater: Ex II 2GD c 110° C)

Materials:

Housing: Anodized aluminium, gear rack and piston: Aluminium, cover: acetal resin, seals: NBR

Temperature range:

-20°C to +80°C

Control pressure:

6 to 10 bar (lower pressures on request)

Optional:

manual emergency operation -HN

Warning:

In case of high media temperatures, the actuator must be cooled if necessary!

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  • Catalogue page Atlas 9 (Page 549) atlas9_seiten/549.pdf
    Documentation doku/klz.pdf
    Fittings with pneumatic rotary actuators
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Butterfly valves with pneumatic rotary actuator, PN 20 (will be discontinued):
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