GEMÜ R481 Victoria is a soft-seated metal butterfly valve with a metal actuator, designed for pneumatic operation in flow control applications. Made from SG iron with epoxy coating, it supports wafer, lug and U-section body types, and suits a wide range of pipe standards and sizes from DN 25 to 600. Suitable for use with various liner and disc materials, and compatible with multiple actuator types.

  • Soft-seated butterfly valve for flow control in industrial and process systems

  • Low torque operation with PTFE-coated bushes

  • Bubble-tight sealing to EN 12266-1/P12, leak rate A

  • Clear liner material identification after installation

  • Sleek disc design for higher Kv values

  • Epoxy body coating for enhanced durability

  • Optional accessories pre-installed, set and tested

Applications

  • Process and industrial piping systems

  • Water and wastewater treatment

  • Food and beverage production

  • Pharmaceutical and medical systems

  • Chemical processing

  • Slurry mixing in battery cell manufacturing

  • Gas and drinking water supply

Performance

Media temperature range: -10 to 160°C

Ambient temperature range: -10 to 70°C

Operating pressure: 0 to 16 bar

Dimensions

Nominal sizes: DN 25-600

Materials

Body made from EN-GJS-400-15 or EN-GJS-400-18-LT SG iron

Liner options: EPDM, FKM, NBR, SBR (abrasion resistant), Silicone

Disc options: 1.4408 investment casting, 1.4408 polished, 1.4469 Duplex cast steel, EN-GJS-400-15 SG iron

Finish

Epoxy, Halar® or Rilsan® disc coating

Options and variations

Body configurations: wafer, lug, U-section

Connection standards: ANSI, AS, BS, DIN, EN, ISO, JIS

Control functions: Normally Closed, Normally Open, Double Acting

Accreditations

ACS, ASME GEMÜ B31.3, ATEX, Belgaqua, DNV GL, DVGW Drinking water, DVGW Gas, EAC, FDA, Functional safety, NSF, Oxygen, Regulation (EC) No. 1935/2004, TA Luft, WRAS