Ipss stock a wide range of spectacle blinds from quality approved european material that conform to industry standards, dimensions and client specific designs. Blind flange class 150 inches pounds service metal. Texas flange provides the following series of individual pages in html and pdf format that contain flange dimensions of the standard flanges we provide. These flanges will be supplied with a 116 raised face unless otherwise specified. The information in these pages was compiled from industry sources which texas flange and fitting supply believe to be reliable. Due to the nature of our engineering and our further production programme we manufacture each spectacle plate with utmost care, being convinced that it is just as important as any other item in a plant. Spade flange, spades and ring spacers should be made from a plate or forging specification, approved for use by asme b31.
Whether as half a spectacle blind or used by itself, the line blank forms a positive shutoff. Todays spade blinds or line blinds are typically fabricated with either a solid flat skinny handle or with a thin metal rod handle which are sometimes difficult to work with and identify when in use. Call this the bugatti or rolls royce of the line blind world. A raised face would add machining time and complexity so the price would be higher. Paddle blind dimensions thickness chart usa industries, inc. Spade and spacers are normally referred to as line blinds. The line is a wafer style device, meaning it fits inside the bolt hole circle. So it is usual, that from a certain weight and size, a hole at the top of the handle is made to give a lifting possibly. Dimensions of spades paddle blank and ring spacers paddle. Flange spades and ring spacers, as separate products, are used when the. It has a plain radial handle and it is generally used in conjunction with a. By itself, the solid side of the spectacle blind is called a line blank, skillet blind, paddle blank, paddle blind, or spade.
You can simply rotate a spectacle blind by 180 degrees to close or open a pipe to allow fluid to pass. A raised face may be specified at the option of the purchaser. Spectacle blind, slip blind and spacers paddle blank and spacer. Marcel piping is a highly acclaimed manufacturer of asmeansidin spectacle blind flange manufacturers in india. The use of spectacle blanks ensures that the companion spacer or blind is on hand when needed. Haihao flange factory manufacture jis b2220 5k flanges in the dimensions 10a1500a,our flange products contain weld neck flange,slip on flange, blind flange etc.
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 service. Pn16 spectacle blind flange dimension with high quality. The spectacle blind, paddle blind and paddle spacer are simple safety devices that install between two pipe flanges. The specification that determines the dimensions of a spectacle blinds is asme b16. Spectacle blind, flange spade, ring spacer asme b16.
Pn 160 pn 400 flanges din en 10921 dimensions of pn 160. Spectacle blind dimensions a spectacle blind is generally a piece of metal that is cut to fit between two pipe flanges and usually sandwiched between two gaskets. Stainless steel spade flanges are temporary devices that are equipped on pipelines to either segregate fluids or to isolate a pipe by blocking the flow completely. Jis b2220 5k flange standard dimensions china hebei.
Safety spade blind line blind design safety blinds. Paddle blank a paddle blank also known as a spade blind is similar to the solid end of a figure8 blank. Get free 2day shipping on qualified spade, shovels products or buy outdoors department products today with buy online pick up in store. It is different from a valve in that the blind is a permanent or long term isolation device. Line blinds and bleed rings catalogue2011sureflowequipmentinc. 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.
Our engineers have completely redesigned the standard spade blind handle to be safer and easier to use. Spectacle blinds should be made from a plate or forging specification, approved for use by asme b31. However, above nps 12 spectacle blind flange weight is high, and it is difficult to handle. Jis b2220 5k flange standard dimensions china hebei haihao. These devices are costeffective alternatives to isolation valves. A paddle blind also known as spade blind, skillet blind, line blind, pancake blind, or slip blind is basically the solid half of a spectacle blind. A paddle blind is basically the solid half of a spectacle blind. The pt ratings from en 10921 apply only for flange types 11, and 21 having nominal sizes up to and including dn 600. To avoid excessive load on the line, separate spacers and blanks are used which known as paddle blank and spade. The pt rating of all other flanges shall be agreed between the manufacturer and the purchaser.
Guru gautam steel is one of the leaders amongst manufacturers and exporters of spades ring spacers flanges, class 150 300 600 900 1500 2500 in india. The spectacle blind flanges manufactured in stainless steel and duplex steel, we also manufacture spectacle blind flanges at our other factory in vapi, gujarat. A spectacle blind is a safety device used to isolate a section of line or a piece of equipment when the line or equipment needs to be inspected or removed from service. Standard dimensions of spectacle blinds or 8 blinds. The gasket seating surface finish and dimensions for raised face line blanks shall be in accordance with asme b16. The thickness of the spectacle blind is specified based on the line pressure and pipe size. A spectacle blind is often made from two metal discs that are attached to each other by a small section of steel. Spade shovels digging tools the home depot store finder. Paddle blind dimensions with hydrotest thickness chart sizes and thicknesses meet the following specifications. High pressure spectacle blind flanges, spectacle blind flanges stockholders, spectacle blind flanges leading manufacturers, stainless steel spectacle blind flanges, ansi b16.