GEMÜ Butterfly Valves – Series D450, D451, D457, D458
Nominal Size: DN 50 – DN 300
Operating Pressure: 0–10 bar
Operating Temperature: 0°C to +90°C (depending on disc material)
Application Area: Shut-off and control of corrosive fluids
Valve Materials:
Body: Glass fibre reinforced PP
Disc: PVC-U / PVC-C / PP-H and others
Seal Materials: EPDM / FPM
Connections: Wafer – installation between PN 10 flanges
Actuation Options:
D450: Bare shaft (no actuation)
D451: Pneumatic actuator – Normally Closed / Normally Open / Double-acting
D457: Manual operation
D458: Electric actuator
Body Configuration: Wafer type
The STRING team offers specialized after-sales consulting
STRING, founded in 2000, is a Romanian company specializing in industrial fluid control solutions. We are the exclusive representative in Romania and Moldova for leading brands such as GEMÜ, BERNARD CONTROLS DEUFRA, WEY SISTAG, BRAY, STRAUB, and DOCKWEILER, and we offer ISO-, SRAC-, and IQNet-certified products and services.
