COVALMA SL. is ISO 9001:2000 and PED 97/23/EC certified and conform to a variety of international manufacturing standards.
The Xurox butterfly valves are deliverable with different kinds of elastomeric seats like: EPDM, NBR, Neoprene, Butyl, Hypalon, ECO, Silicone, Viton, Flucast…
Besides the elastomeric seated butterfly valves Xurox has also a range of Teflon lined butterfly valves and metal to metal seated butterfly valves.
