Sep 19, 2019 · *Click to view drawings, dimensions and weights for ASME B16.48 spectacle blinds, spade blanks, and paddle spacers of each class rating. For NPS 1/2, NPS 3/4, and NPS 1 blanks in all raised face classes, the inside diameter is equal to standard weight welding neck flange bore. Dimensions Spectacle Blinds - ASME B16.48 - PipingSpectacle Blinds should be made from a plate or forging specification, approved for use by ASME B31.3, of essentially the same chemical composition as the mating flanges and piping involved. Spectacle Blinds ASME B16.48 may be used for installation between ASME B16.5 flanges
A finished assembly will resemble the shape of a paddle, hence the name. Generally, these types of blinds are applied in piping systems that do not require constant maintenance. The Paddle Blind is used more as a temporary blocking device to stop flow in a process piping system. Paddle Spacer. Paddle Spacer is the open half of a Spectacle Blind. It is often made from one solid metal disc and will usually Piping Line Blanks, Blinds, Spacers, Spectacle Blinds, ROsSep 21, 2020 · Piping Line Blanks, Spacers, Spectacle Blinds (Figure-8s), and Restricting Orifices Save Big Time. This file calculates design thicknesses, allowable pressures, dimensions, and weights of line blanks, spacers, spectacle blinds (figure-8's), and Piping Line Blanks, Blinds, Spacers, Spectacle Blinds, ROsSep 21, 2020 · Piping Line Blanks, Spacers, Spectacle Blinds (Figure-8s), and Restricting Orifices Save Big Time. This file calculates design thicknesses, allowable pressures, dimensions, and weights of line blanks, spacers, spectacle blinds (figure-8's), and
raised face spectacle blind flange spectacle blind flange standard dimensions as per asme b16.48 hole size shall be same as the flange bolt hole and located such that is will not interfere with bolting between flanges the thickness of handle or web (tie bar) shall be Special Flanges - Spectacle Blinds, Spades and Ring-SpacersSpectacle blinds. Spectacle Blinds are generally applied to permanently separating pipesystems, or just to connect with each other. A Spectacle Blind is a steel plate cut into two discs of a certain thickness. The two discs are attached to each other by section of steel similar to the nose piece of a Special Piping Materials:Stainless Steel Pipes, Fittings Sweep is the angle, or arc in a pipe that allows the smooth flow of the fluid, gas or whatever is travelling through the pipe. Call you sales adviser at Special Piping Materials today to find out more. Spectacle Blinds, Spades and Spacers. Spectacle blinds consist of a connected ring (spacer) and a plate (spade).
Jan 10, 2016 · Ring Spacer. Ring spacers are bored to the matching pipe ID and are the same thickness as the "single blind" that it replaces. When removing a "single blind", either the flange and associated piping must be pulled together to seal the line, or a "ring spacer" must be installed to fill the gap. Thick single blinds or rigid piping systems normally require ring spacers. Spectacle Blind Flange - Largest Inventory - Rental or USA Industries' spectacle blinds are a single piece of machined metal designed to eliminate the hassle of having seperate paddle blind and spacer sets. When a section of your pipe needs to be isolated from the rest for maintenance, a spectacle blind or spec blind can make the process much easier! Spectacle Blind Flange China piping solution supplierSpectacle blind flanges are forged products used to blind pipelines (temporarily or permanently). These devices are cost-effective alternatives to isolation valves. A spectacle blind combines, in one single product, a flange spade and a ring spacer. Spectacle blinds are available in standard sizes up to 24 inches and in forged material grades like ASTM A105 (high-temperature carbon), A350 low
Spectacle blind, spades, and spacers are also known as figure-8, paddle blank, Slip blind, and spacer. These are three different components that used in piping for positive isolation of the section of a line or equipment during maintenance and shutdown. Spectacle Blinds, Spades & Spacers - IPSSBronze, Brass, Copper, Cupro Nickel, ium. Blind Spades & Spacers. Spades and Ring Spacers are basically the same as Spectacle Blinds, except that both are not attached to each other. Spades and Spacers can be applied in systems where maintenance is Spectacle Flanges and Blinds - Flow ControlRing spacers or Open Blinds are used to fill the space of Single Blinds when they are removed from the piping system. With space, weight, and other pipeline requirements permitting, it may be more convenient and cost-effective in specific situations to use a Spectacle Flange, which is a combination of the two that can be rotated to function as
Nov 13, 2018 · A spectacle blinds also known as a figure-8 blind is generally a piece of metal that is cut to fit between two pipe flanges and usually sandwiched between two gaskets. A spectacle blind is often made from two metal discs that are attached to each other by a small section of steel. 1 Spectacle blinds 4 Spade Flanges 2 Dimensions of spectacle blinds according to ASME B16.48 5 Dimensions of Spectacle-blind-Symbol-1 What Is Piping:All about Piping Materials; Piping Design Softwares. Submenu Toggle PDMS; E3D; SP3D; Jobs; Spectacle-blind-Symbol-1. Anup Kumar Dey. I am a Mechanical Engineer turned into a Piping Engineer. Currently, I work in a reputed MNC as a Senior Piping Stress Engineer. I am very much passionate about blogging and always tried to do unique things. When to use a spectacle blind flange? - Spectacle blind flange cut to fit between two pipe flanges and usually sandwiched between two gaskets. A spectacle blind is often made from two metal discs that are attached to each other by a small section of steel. The shape is similar to a pair of glasses or spectacles hence the name spectacle blind.