What is the difference between Spade and blind?
Spades and Ring Spacers are basically the same as Spectacle Blinds, except that both are not attached to each other. Spades and Spacers be applied in systems where maintenance is often not necessary, or in applications with large pipe sizes.
What is spectacle blind flange?
Spectacle Blinds are simple safety devices that are installed between two pipe flanges. During normal operation, the open end is installed as a spacer to allow uninterrupted flow. To stop the flow in the pipeline, the blind end is rotated into place between the flanges.
What is spade flange?
Spade flanges are specially designed flanges which are used in the pipeline during shutdown periods and when extensive pipe cleaning operations are taking place.
How do you install spectacle blind flange?
Spectacle Blind Installation Spectacle blinds install between two horizontal pipe runs. Instead of bolting the blind in place around the full circumference of the pipe like you would a pipe flange, you instead install it by inserting one of the flange bolts through the hole on the central tie bar.
What is difference between Spade and spacer?
Spades and Spacers The spacer (a ring-shaped plate) is used when the line needs to be open and the spade (a solid circular shaped plate) is installed when the line needs to be blocked or closed. To change from one to the other, half the surrounding bolts need to be removed and the Spade or Spacer is swapped over.
What is puddle flange?
A puddle or leak control flange is a construction product that connects the waterproofing system to the plumbing drainage system, also known as DWV (Drain Waste Vent). This is required in all floor waste installs by the Australian standard AS 3740-2010.
What is a line blind?
Line blinds are safety devices designed for positive shut-off of piping, equipment or storage tanks where positive shut-off is defined as a device in a closed, drop-tight, verifiable, and maintainable position.
How do you tell a spade from a spacer?
Each spade or spacer has a particular handle that is shaped in a way so that engineers or maintenance crews know whether a spade or spacer is installed in the pipeline. For smaller spades and spacers, it is common for the spacer to have a hole in the handle and the spade to have no hole.
What is jack screw flange?
Jack bolts provide a means to spread the flanges. Jack bolts can also be used with components that are mounted between flanges such as wafer check valves, spectacle blinds and orifice plates. A machine bolt with a heavy hex nut which is mounted in a hole drilled on the flange center line used as a jack screw.
What is a carber test?
Carber T.S.E. has an innovative tool which performs a hydrostatic test in a revolutionary way. Traditionally after a repair, alteration, modification, revamp or tie-in an entire system would be filled with medium and brought to pressure to test a single weld.