1. Hydraulics - Pneumatics
  2. Valve
  3. Butterfly valve
  4. GEMÜ Gebrüder Müller Apparatebau GmbH & Co. KG

Butterfly valve R481
pneumaticfor controlwafer

Butterfly valve - R481 - GEMÜ Gebrüder Müller Apparatebau GmbH & Co. KG - pneumatic / for control / wafer
Butterfly valve - R481 - GEMÜ Gebrüder Müller Apparatebau GmbH & Co. KG - pneumatic / for control / wafer
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Characteristics

Type
butterfly
Operation
pneumatic
Function
for control
Body
wafer, lug type
Material
stainless steel, PTFE, EPDM, iron, rubber, NBR, epoxy
Other characteristics
ISO, DIN, normally closed, double-acting, normally open, rugged, ATEX
DN

Min.: 50 mm
(1.969 in)

Max.: 300 mm
(11.811 in)

Pressure

Min.: 0 bar
(0 psi)

Max.: 16 bar
(232.1 psi)

Temperature

Min.: -10 °C
(14 °F)

Max.: 160 °C
(320 °F)

Description

Soft-sealing, centrally mounted butterfly valve

The GEMÜ R481 Victoria soft seated metal butterfly valve has a metal actuator and is pneumatically operated. Normally Closed, Normally Open and Double Acting control functions are available. Various pneumatic actuators are available. The butterfly valve is available in nominal sizes DN 25 to 600 and in standard installation lengths ISO 5752/20 | EN 558-1/20 | API 609 category A (DIN 3202 K1) in wafer, lug and U section body versions.

  • Low torques thanks to PTFE coated bushes
  • Bubble tight sealing acc. to EN 12266-1/P12, leakage rate A
  • Liner material is easy to read when installed
  • Sleek disc design for higher Kv values
  • Robust body coating comparable to ISO 12944-6 C5
  • Various actuator types can be selected
  • Optional accessories are installed, set and tested so they are ready for operation

Exhibitions

Meet this supplier at the following exhibition(s):

Semicon
Semicon

10-13 Nov 2026 Munich (Germany) Hall Hall 1 - Stand 718

  • More information
    COMPAMED 2026
    COMPAMED 2026

    16-19 Nov 2026 Düsseldorf (Germany) Hall Hall 8B - Stand C30

  • More information
    *Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.
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