Types Of Blinds In Piping

Vertical blinds have individual slats that run along a track at the top of the blind.

Types of blinds in piping. Different types of blinds 1. Spectacle blinds are available in standard sizes up to 24 inches and in forged material grades like astm a105 high temperature carbon a350 low temperature carbon and various astm a182 grades alloy stainless steel duplex. All other blind specifications a182 a350 b160 etc. Spectacle blind slip blind and spacers paddle blank and spacer spectacle blind spades and spacers are also known as figure 8 paddle blank slip blind and spacer.

Blinds are provided for either series a mss sp44 or series b api 605 flanges meeting asme b16 47 b16 48 ansi b16 5 and b16 2 specifications. Standard specification for pressure. Can be provided upon request for purchase. A finished assembly will resemble the shape of a paddle hence the name paddle blind.

Spectacle blinds spectacle blinds are generally applied to permanently separating pipesystems or just to connect with each other. Single line blind or blank a positive shut off device normally installed adjacent to or in conjunction with a valve. These types of flanges are used with another type of flange to isolate the piping system or to terminate the piping as an end. The two discs are attached to each other by section of steel similar to the nose piece of a pair of glasses.

Spectacle blind and spacers are a pressure retaining device used in the piping pipeline industry to temporarily or permanently blind shut or isolate part of the piping or pipeline system. The blind flange is a blank disc with a bolt hole. Generally these types of blinds are applied in piping systems that do not require constant maintenance. Blind flanges are also used as a manhole cover in the vessel.

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 paddle blind is often made from one solid metal disc and will usually have a thin length of metal attached to one end to be used as a handle. These blinds are a popular choice for patio doors and floor to ceiling windows. Thick single blinds or rigid piping systems normally require ring spacers.

A spectacle blind is a forged product and combination of a flange spade and a ring spacer in one single product. Their purpose is to prevent accidental flow through a pipeline to a vessel. A spectacle blind is a steel plate cut into two discs of a certain thickness.