GEMÜ R481 Victoria

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, 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

• Media temperature:-10 to 160 °C
• Ambient temperature:-10 to 70 °C
• Operating pressure :0 to 16 bar
• Nominal sizes:DN 25 to 600
• Body 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 | EAC | FDA | Functional safety | NSF | Oxygen | Regulation (EC) No. 1935/2004 | TA Luft (German Clean Air Act) | WRAS