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Pneumatic metal butterfly valve

GEMÜ R481 Victoria

ConfigureTechnical data sheet
Pneumatically operated butterfly valve with stainless steel disc, elastic seal and flange connection – ideal for water treatment, chemical and industrial automation applications.

Soft-sealing, centrally mounted butterfly valve

Product information

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.

Key features

  • Low torques thanks to PTFE coated bushes
  • Bubble tight sealing, in accordance with EN 12266-1/P12, leak 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
Pneumatically operated butterfly valve with stainless steel disc, elastic seal and flange connection – ideal for water treatment, chemical and industrial automation applications.

Technical features

Parameters
Value
Media temperature
-10 to 160 °C
Ambient temperature
-10 Up to 70 °C
Operating pressure
0 Up to 16 bar
Nominal sizes
DN 25 to 600
Housing configurations
Lug
U section
Wafer
Connection standards
ANSI
AS
BS
DIN
EN
ISO
JIS
Body materials
EN-GJS-400-15, SG iron material
EN-GJS-400-18-LT, SG iron material
Body coating
Epoxy
Liner materials
EPDM
FKM
NBR
SBR, abrasion resistant
Silicone
Disc materials
1.4408, investment casting material
1.4408, polished investment casting material
1.4469, Duplex cast steel material
EN-GJS-400-15, SG iron material
Disc coating
Epoxy
Halar®
Rilsan®
Conformities
ACS
ASME GEMÜ B31.3
ATEX
Belgaqua
DNV GL
DVGW Drinking water
DVGW Gas
FDA
FMEDA
NSF
Oxygen
Regulation (EC) No. 1935/2004
TA Luft (German Clean Air Act)
WRAS

Downloads

4 Results
  • Datasheet GEMÜ R481

    pdf, 4.58 MB, EN

  • Application brochure Fertilizer production

    pdf, 1.32 MB, EN

  • Produktbroschüre Die neue Generation Absperrklappen Baureihe R480 Victoria

    pdf, 997 KB, DE

  • Product brochure The latest generation of butterfly valves R480 Victoria series

    pdf, 993 KB, EN

Suitable services

  • Expert knowledge for your applications

    Training

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  • Ensure longevity and reliability

    Maintenance

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  • Fast, efficient, and precise

    Repair

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  • Intelligent networking with GEMÜ CONEXO

    Digital support

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