SD Butterfly Valves consist of two high-pressure aluminium alloy die-cast semi-bodies, aluminium swivel disc, and a pre-stressed elastomer seal.
For the food industry a version with stainless steel disc and an FDA/EN-approved, integral seal is available.Available in a fully stainless steel housing.
While SD has a top flange and beaded bottom section – suitable for the attachment of a flexible sleeve , SID comes with identical top and bottom flange.
Valve diameters from 4" to 16" are available