Valves in steam lines should be opened or closed by authorized personnel only, following the correct procedure for specific system conditions. Since the armstrong inverted bucket steam trap was brought to market in 1911, the energysaving performance of steam. Steam trap hydrostatic test industrial commodity inspction. Broken or damaged syphon pipe in syphon drained cylinder. For maximum trap life and steam economy, a regular schedule should be set up for trap testing and preventive maintenance. Steam traps play the important role in maintaining the productivity and efficiency of steam system. These traps efficiently move condensate, air, and co 2 out of steam systems.
Npt code psi lbs armstrong 12 ib103112n20 20 7 800 34 ib1031n20. Since the armstrong inverted bucket steam trap was brought to market in 1911, the energysaving performance of steam traps applying the inverted bucket engineering. A steam trap is an integral part of a steam system. Armstrongs cast iron, free floating lever drain traps use the same bodies, caps, lever mechanisms, valves and seats of armstrong inverted bucket steam traps that have been. Armstrong steam trap testing guide for energy conservation knowledge not shared is energy wasted. The results are energy savings and a cleaner, healthier environment. All operating internals are constructed of stainless steel. The bellows, unlike a disc trap, is a temperature sensitive rather than a time cycle device. Armstrong s global learning initiative has been developed to provide an online academic platform for continued professional and personal growth in the areas of. Inverted bucket steam trap conserves energy even in the presence of wear armstrong inverted bucket steam traps open and close based on the difference in density between condensate and steam the inverted bucket principle.
Steam traps steam trapping steam tracing armstrong. Armstrongs global learning initiative has been developed to provide an online academic platform for continued professional and personal growth in the areas of. Armstrong inverted bucket steam traps open and close based on the difference in density between condensate and steam the inverted bucket principle. That is because they bring all the components steam traps, steam tracing manifolds, valves together to reduce installation costs and provide a compact, easily accessible assembly that is centrally located. For overall efficiency and economy, steam traps must provide. Always isolate steam trap from pressurized supply and return lines before opening for inspection or repair. Armstrong steam distribution and condensate collection manifolds simplify your tracing applications. If the heat transfer equipment has a 2 piping outlet, then do not select a. The ultimate purpose of the steam trap is to allow the condensate water formed when steam condenses and air to be discharged from the steam system while preventing the loss of live steam. Introducing the latest gamechanging innovation from armstrong international smarter, easier and more connected than ever, this is the brain drv25.
A steam trap an automatic drain valve which distinguishes between. Determine the capacity based on the differential pressure and the required capacity of the trap to open against the maximum inlet steam pressure. Armstrong steam and condensate group, 816 maple st. Ball float steam traps are the best choice for draining plant with automatic temperature control. Bimetallic steam traps can conserve energy by discharging subcooled condensate in those applications which utilize sensible heat. Npt code psi lbs armstrong 12 ib103112n20 20 7 800 34 ib1031n20 12 ib103112n80 80 7 800 34 ib1031n80 12 ib103112n125 125 7 800 34 ib1031n125 12 ib103112n150 150 7 800 34 ib1031n150 12 ib103212n15 34 ib1032. Bimetallic steam traps bimetallic steam traps can conserve energy by discharging subcooled condensate in those applications which utilize sensible heat. An integral air vent is fitted as standard and a steam lock release is an option. Armstrong steam trap crossover chart control products inc. For thermostatic traps, the bellows element may rupture from hydraulic shock, causing the trap to fail closed. Float and thermostatic steam traps us spirax sarco. This configuration allows steam to enter from the bottom of the trap, and the condensate to discharge from the top of the trap. High condensate capacity steam traps will be available only in larger pipe sizes.
By helping companies manage energy, armstrong steam traps are also helping protect the world we all share. Armstrong offers its 400 series forged chromemoly steel inverted bucket traps for vertical installation with a choice of screwed, socketweld or flanged connections. The hoffman series 17c balanced pressure thermostatic steam traps are for institutional, commercial and residential heating system applications such as schools, hospitals, apartment buildings homes or others where low or moderate water hammer may occur. The armstrong series 2011 inverted bucket trap is one of the 2000 series steam traps that combine savings in three important areas. Free float steam traps are typically the first choice for removal of condensate from steamusing equipment, steam distribution lines, and high temperature tracing applications. These traps are used on applications with very light condensate loads. The steam trap piping size can be selected after sizing the orifice. Mechanical traps are steam traps that operate on the principle of specific gravity specifically the difference in the specific gravities of water and steam, unlike other types of steam traps that rely on temperature change or velocityphase change. Explanatory video for the different models of spirax sarco steam traps. And unlike bucket traps, bellows traps do not require a variety of sizes for valves and seats for. Always select a steam trap with a connection equal to or larger. Npt features and benefits stainless steel internalread more.
If your business utilizes steam systems in any type of process, you need the best steam traps out there. Balanced pressure thermostatic steam traps adjust automatically to varying steam pressures. Work efficiently on both light and heavy condensate loads. A steam trap is a special purpose valve which opens when condensate is present and closes when steam tries to pass thru it. An efficient steam trap wastes less energy, which means you burn less fuel and reduce emissions. As a steam trap wears, it loses efficiency and begins to waste energy. The 360 universal connector provides quick, easy inline replacement. Armstrong ttf series installation and maintenance pdf download. Hoffman specialty service parts catalog hs 800d pdf. A steam trap is a self contained valve which automatically drains the condensate from a steam containing enclosure while remaining tight to live steam, or if necessary, allowing steam to flow at a controlled or adjusted rate. This simple fact means that inverted buckets are subject to less wear than some other types of traps. Applications of different types of steam traps tlv a. Explanation of symbols used in normal condensing rate formulas a heating surface area, square feet see table b b heat output of coil or heater, btu per hour c condensate generated by submerged heating surfaces, ibshrsq ft table f d weight of material processed per hour after drying, pounds f steam.
An efficient armstrong steam trap wastes less energy, which means you burn less fuel and reduce emissions. Total solutions in steam and condensate, heat transfer, hot water and humidification. Armstrong s software program 1 steam trap sizing and selection is designed to be used in conjunction with handbook n101 and this catalog. Inverted bucket steam trap conserves energy even in the presence of wear armstrong inverted bucket steam traps open and close based on the difference in density between condensate and steam. Valves in steam lines should be opened or closed by authorized personnel only, following the correct. Looking for armstrong international steam trap, 1 fnpt connections, 1014 end to end length, condensate capacity lbshr 9900 36y211. Isolate strainer from pressurized system before opening.
Steam traps have a big job, actually several tasks, in a welldesigned steam system. Armstrong inverted bucket steam traps open and close based on the difference in density between condensate and steamthe inverted bucket principle. All the internal parts of the steam trap are boxed together for onthejob assembly. Trap size, operating pressure and importance determine how frequently traps should be checked. This operating efficiency means less fuel is burned, in turn reducing emissions and saving money. Easy online ordering for the ones who get it done along with 247. Sh4000 bimetallic steam traps all stainless steel for pressures to 1,245 psig 86 bar cold water capacities to 6,000 lbhr 2,722 kghr armstrongs sh4000 bimetallic steam trap is the ideal. Armstrong series ttf stainless steel thermostatic steam traps are of the balanced pressure type and provide positive intermittent operating pressure ranges from 0 to 300 psig. A free float steam trap can immediately discharge condensate when it enters the trap body, thus preventing condensate buildup and reducing the risk of water hammer. Apply a safety factor by multiplying required capacity by 1. A unique leverage system multiplies the force provided by the bucket to open the valve against system pressure. Armstrong international steam traps and repair parts. Looking for armstrong international steam trap, 34 fnpt connections, 5 end to end length, condensate capacity lbshr 600 36y191. Learn about steam traps armstrong state university.
Model sh bimetallic superheat steam traps model sh900h. There is no way that air can be mistaken for steam and cause binding, since bellows react to temperature only. Yarway process thermostatic steam traps series 151 and av5 condensate capacity near steam temperature for steam trap sizing the series 151 dual range steam trap is designed for use on both batch and continuous applications such as batch stills, autoclaves, reboilers, storage tanks, shell and tube heat exchangers and tank coils. This exhaustive guide answers all the questions one might have about steam traps, their working principles, troubleshooting etc. Page 2 do not elevate condensate if the equipment is under if this situation cannot be avoided, modulated control. The armstrong inverted bucket steam trap, model 881, features a 1 pipe connection in an inline horizontal configuration and an integral strainer. Armstrong thermostatic steam traps are available with balancedpressure bellows or wafertype elements and are constructed in a variety of materials, including stainless steel, carbon steel and bronze. Discharge capacity is high and continuous, ensuring maximum heat transfer.
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