The GEMÜ R481 Victoria Soft seated metal butterfly valve has a metal actuator and is pneumatically operated. The "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 50 to 300 and in standardized installation lengths ISO 5752/20 | EN 558-1/20 | API 609 category A (DIN 3202 K1) in wafer and lug 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 in accordance with ISO 12944-6 C5-M
Various actuator types can be selected
Optional accessories are installed, set and tested so they are ready for operation
Connection standards:AS | ASME | BS | DIN | EN | ISO | JIS
Body materials:EN-GJS-400-15 | EN-GJS-400-18-LT
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 | EN-GJS-400-15, SG iron material
Disc coating:Epoxy | Halar® | Rilsan®
Conformities:ACS | ATEX | Belgaqua | DNV GL | EAC | FDA | WRAS