Spectacle Blind Vs Valve
Flange spade vs spectable blinds.
Spectacle blind vs valve. Gate globe check valve dimensions ball valve dimensions gear operated ball valve dimensions lever operated check valve dimensions dual plate wafer type check valve dimensions dual plate lug type check valve dimensions dual plate double flanged type. During the installation of spacers the flange and associated piping should be pulled together and a the ring spacer has to be installed to fill the gap. These are generally used in hazardous services like hydrocarbon fluids. A spectacle blind or spec blind abbreviated as sb is a safety device used to isolate a section of line or piece of equipment when the line or equipment needs to be inspected or removed from service.
A spectacle blind is a safety device used to isolate a section of line or piece of equipment when the line or equipment needs to be inspected or removed from. Weight limitations and the associated difficulty of handling heavy pieces in the field are the primary considerations in specifying a spectacle blind over separate components. The difference is that spectacle blinds may need some space to be rotated and this space is not always available due to the routing of the piping system. Piping engineering piping fittings blinds spacers spectacle blinds single line blind or blank.
Spacer rings are made to match the pipe id with the same thickness as the single blind that it replaces. It is different from a valve in that the blind is a permanent or long term isolation device. These are three different components that used in piping for positive isolation of the section of a line or equipment during maintenance and shutdown. A spectacle blind combines a flange spade and a ring spacer in a single device this is the reason why flange spades are called single blinds or blanks.
Definition of terms used with spectacle blind ring spacer or spacer ring or paddle blank or paddle spacer. Blinds spaces and spectacle blinds are used for the purpose of positive shut off of a piping system where mere shut off using valves is not sufficient as valves are prone to leakage.