These types of flanges are used with another type of flange to isolate the piping system or to terminate the piping as an end.
A flanged joint is composed of three Rating pressure of flanges and independent although interrelated components; the flanges, the gaskets, and the bolting; which are assembled by yet another influence, the fitter. They have grooves cut into their faces which steel ring gaskets. Interpolation between class designations is not permitted.
Maybe do you have not direct a spill, but when an accident happens, the insurance experts know where they can find you.
The reason behind establishing the temperature rating is to calculate the adequate wall thickness of the pipe, flange and flanged fittings so that they can withstand the stresses due to pressure and other loads.
However, only the oval cross section can be used in the old type round bottom groove. As an example, below you will find two tables with material groups acc.
Each material have different pressure ratings. Use of these ratings for flanged joints not conforming to these limitations is the responsibility of the user. A flange joint is a connection of pipes, where the connecting pieces have flanges by which the parts are bolted together.
Again these are not generally interchangeable e. They are often used to ensure an even flow of water to showers. They seal by an initial line contact or a wedging action as the compressive forces are applied.
The sealing surfaces on the ring joint grooves must be smoothly finished to 63 Microinches and be free of objectionable ridges, tool or chatter marks. The number and diameters mm of the bolt holes are: Style "R" ring type joints are manufactured in both oval and octagonal configurations.
The Pressure Class or Rating for flanges will be given in pounds. Each specification further delineates flanges into pressure classes: Normal raised faced is far more common and ready available both regarding Valves, flanges and sealing material.
For intermediate temperatures, linear interpolation is permitted.
Raised Face RF The Raised Face flange is the most common type used in process plant applications, and is easily to identify. Normally, these flanges are of forged construction and are provided with the hub.
Stub end is butt welded to the pipe and Backing flange freely move over the pipe. They differ from male-and-female in that the inside diameters of the tongue-and-groove do not extend into the flange base, thus retaining the gasket on its inner and outer diameter. Applications using flat face flanges are frequently those in which the mating flange or flanged fitting is made from a casting.
It Provides flexibility for maintenance. Consider injuries or fatalities, a wrong flange connection is't worth it. However, there are a number of factors that can impact the pressure capability of a flange. The temperature shown for a corresponding pressure rating is the temperature of the pressure-containing shell of the component.
Temperature Rating Piping materials such as carbon steel, stainless steel, alloy steel have different mechanical and chemical properties. The outer diameter of the female face acts to locate and retain the gasket.
The Pressure Class or Rating for flanges will be given in pounds. In general, this temperature is the same as that of the contained fluid. In this case the compressed gasket will not bear additional load beyond the bolt tension, vibration and movement cannot further crush the gasket and lessen the connecting tension.Ring Type Joint gaskets.
Ring Type Joint gaskets are metallic sealing rings, suitable for high-pressure and high-temperature applications. They are always applied to special, accompanying flanges which ensure good, reliable sealing with the correct choice of profiles and material.
Marine & Offshore BONDSTRAND® M & M Glassfibre Reinforced Epoxy (GRE) Flanges & Pipe Systems 1 to 6 inch (Quick-lock® joint), 8 to 40 inch. PV Elite is software for engineering design and analysis of pressure vessels and heat exchangers also taking into account wind and seismic conditions.
This document is for reference only and should not be construed as an express or implied warranty by Vize or Ohmart/VEGA. Information is subject to change without notice. ASME/ANSI B - - Cast Iron Pipe Flanges and Flanged Fittings ASME/ANSI B - - Malleable Iron Threaded Fittings ASME/ANSI B - - Cast Iron Threaded Fittings.
Manufacturer of Flanges as per Standard - Flanges, DIN Flanges, BS Flanges and JIS Flanges offered by Excel Metal & Engg Industries, Mumbai, Maharashtra.Download