Pressure ratings, dimensions and facings for flanges acc. This datasheet is for flanges that have a ring type joint rtj end connection. We work with manufacturers in the us and globally to insure the highest quality products and the fastest delivery times. You can also make your own knife by naming a group theknife. Styles we offer include weld neck, slip on, blind, threaded, socket weld, lap joint, orifice flanges, ring, and custom flanges in sizes from 12.
Industry standard is to make to the slip on length thru the hub. Ansi standard flange dimensions are designated as 150, 300, 400, 600, 900, 1500, and 2500, in sizes nps 12 through nps 24. Series ezflange ductile iron flange adapater brochure. Mss sp44 is the only source for the nps 22 flange dimensions above. Flange dimensions are determined by the pipe size and the pressure class required for the application. The pt rating of all other flanges shall be agreed between the manufacturer and the purchaser.
Flange tolerance pdf 296kb welding ends pdf 447kb ring joint flanges pdf 146kb print this page email this page. Weldon plate collars typ 05 blank blind flanges typ 33 lapped pipe ends typ 11 weldneck flanges typ 34 weldneck collars typ 12 hubbed slipon flanges for welding. The ez flange adapter should not be used on beveled end of the pipe. As the bolts of a flangepair are tightened, the knifeedges make annular grooves. Matches class f flange working pressure 2 through 12 400 psi optional unitorque set screws. The pt ratings from en 10921 apply only for flange types 05, 11, 12, and 21 having nominal sizes up to and including dn 600.
Spicer flanges bolts are special heat treated grade 8 bolts. Flanges are used on equipment for the nozzles and in piping systems. Class 150300 series a large diameter flange dimensions. Ansi flange dimension chart warren electric corporation. In some sizes bolt holes are slightly larger to give better clearance.
There are many common flange standards and flanges within the same standard can etiher be flat commonly cast iron, ductile iron or raised face commonly cast steel and stainless steel. A flange is designed to connect sections of pipe or. Stainless steel flanges, carbon steel forged flanges 15 nb. Rtj flange dimensions class 150 to class 2500 hardhat engineer. The first, called kstyle, uses separate clamps hooked over the outer edge of the mating flanges and spaced around the circumference. These flanges will be furnished with a 116 raised face unless otherwise specified. Flange din2543 pn16 flange, plate flanges, flat flanges. Never use an inflatable plug when its failure could cause injury or catastrophic damage or as the only means of protection for personnel working downstream. Texas flange has served the petrochemical, process, and waterworks industries for over 3 decades.
Dln2501 flansche, anschlu p map e flanges, mating dimensions. Holes hole dia d1 bolt size pcd mass kg standard class table flange od flange thickness b raised face dia. The cf conflat flange is the most widely used for high vacuum and uhv applications. Debris or protrusions in the pipeline can damage a seal or rupture inflatable plugs. Weld neck lap joint slip on blind threaded socket welding orifice reducing customized products possible din en 10921 awwa c207 gost jis b222. All dimensions are in inches these flanges will be furnished with a 116 raised face unless otherwise specified. Flat face flanges may be provided at full thickness, c, or with raised face removed the latter is nonstandard.
Marking with manual marking punches and embossing stamps. Standard bore will be furnished unless otherwise specified. Blind flanges or rtj flanges may need longer studs. Nominal pipe size outside diameter o thickness t raised face diameter r length thru hub y point of weld a hub diameter x bore b. Piping systems dimensions of pipes and tubes, materials and capacities, pressure drop calculations and charts, insulation and heat loss diagrams.
We provide ansi, api, and awwa pipe flanges in carbon steel, stainless steel, alloys, and chrome steel. Flange flange butterfly valves with pn6, pnio, pn16 or pn25 flanges are drilled in accordance with iso 7005 steel valve bodies. Hayward pipe distributes industrial and commercial flanges in all the materials listed below. Texas flange flanges steel flanges industrial pipe. Many gauges, instruments, accessories and feedthroughs are available on this flange system. The second, called fstyle, uses conventional bolt holes in the flange periphery. Install ez flange gasket on the pipe with the bevel of the gasket facing the ez flange. Technical data jersey village, texas coastal flange.
However for 10 years before the change, the pipe flange standard included was listed as ansiasme b16. The knife is a group you can rotate, change the size of, and even add or remove objects within example add a function curve for an advanced cut. Dimensions in mm for flanges type 21 the outside hub diameter approximately corresponds to the outside pipe diameter, note. Equipment such as pressure vessels can also have socalled body flanges. Loose plate flanges with weldon plate collar typ 21. The seal mechanism is a knifeedge that is machined below the flanges flat surface. Coastal flange stocks import and domestic ansi b16. Nominal pipe size outside diameter o thickness t raised face diameter r length thru hub y hub diameter x bore b number of holes diameter of holes bolt circle c approximate weight lbs 12 3. Back the set screws out of the flange to clear the pipe and slide onto the pipe. Flange tables flanges are commonly used to connect valves into pipework making it easier for removal and maintenance. The dimensions of flanges in piping systems and also the smaller flanges on equipment are standardized. The six common types of ansi class flanges, including.
Nominal pipe size nps inches outside diameter of flange incheso. Ansi american national standards institute ansi provides a forum for development of american national standards. The flanges are bolted together with a gasket in between to prevent leackage. Iso flanges have two clamping mechanisms holding the flanges together.
Flange weights, dimensions and working pressures prochem. Posted in weld neck flange datasheets dimensions to asme b16. International standard is0 7005i first edition 199204i 5 metallic flanges part 1. Flanges are standardized according publications from organizations like asme, mss, api and others. See common flange specs by typesee legend below for explanations nw 16 cfmini flange i. All pipe plugs must be blocked or anchored adequately against a force equal to the head pressure times the crosssectional area of the pipe. Holes hole dia d1 bolt size pcd mass kg bs 4504 63 80. Warren electric corporation 36 franklin street, po box 86 warren, rhode island, usa 028850086 tollfree. Additional in depth information about these kinds of flanges can be found on the ring type joint page dimensions per asme b16. Nps 12 through nps 24 metricinch standard bolt circle diameters are 18 inch larger than bolt diameter. Regardless of size or specification, flanges are fundamentally designed to close, cover, connect, or support pipe systems.
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