Description
The rubber seated butterfly valves are intended for different uses in the industrial sector, ranging from dust transport to the petrochemical industry and water treatment.
The rubber seated butterfly valves are available in a wide choice of materials, both as regards the metal parts and the seals.
The rubber seated butterfly valves are intended for applications involving clean or slightly contaminated fluids, both liquid and gaseous, neutral or aggressive.
The rubber seated butterfly valves can be created by combining various materials depending on the particular requirements of use.
TECHNICAL SPECIFICATIONS
– General requirements complying with UNI EN593: 2009
– Gauges standard EN 558 series 20
– Sealing complying with EN 12266-1 rate A with a differential pressure of 16 bar
Body materials available
– Ductile iron
– Carbon Steel
– Stainless steel
– Special alloys
Available diameters
DN 20 – DN 25 – DN 40 – DN 50 – DN 65 – DN 80 – DN 100 – DN 125 – DN 150 – DN 200 – DN 250 – DN 300 – DN 350 – DN 400 – DN 500 – DN 600 – DN 700 – DN 800 – DN 1000
Available connections
– Wafer
– Lug
– Double Flanged
– PN 6 – PN 10 – PN 16 – PN 25
– ANSI 150 – ANSI 300
Materials available Disc / Butterfly / Lens
– Carbon steel (ASTM A 105 – WCB – LCB)
– Cast iron (GG 25)
– Ductile iron (GGG 40)
– Stainless steel (AISI 304 – AISI 316)
– Special alloys
Available seal materials and operating temperatures
– NBR Nitrile Rubber -25 ° C + 100 ° C
– EPDM Copolymer -35 ° C + 130 ° C
– Copolymer EPDM HT -30 ° C + 135 ° C
– Fluor Rubber FKM / Viton -20 ° C + 200 ° C
Drive type
– Manual/Handwheel
– Pneumatic
– Electric
