Inverted bucket steam trap is a density operated steam trap which operates on the difference in density between steam and water. Condensate and noncondensibles are discharged close to steam by means of a swivel connector. Simple structure, no gemel structure, no fixed abrasive, excellent abilities to save energy, valve base is made of chrome steel, with long service life. The inverted bucket within the trap will rest on the bottom of the trap body keeping the valve open and allowing condensate to be discharged figure a. Installation and testing of inverted bucket steam traps dirt pockets figures 11 and 16 are excellent for stopping scale and core sand, and eliminating erosion that can occur in elbows when dirt pockets are not provided. Steam traps the series b inverted bucket traps are designed for a wide range of industrial applications including steam mains, laundry and dry cleaning plants, food processing and those that require a lift in the discharge lines. The trap contains an inverted bucket mechanism which responds to the difference in density between steam and condensate. As condensate begins to flow into the trap, steam and air are forced from the bucket. Inverted bucket steam trap range 10 100125 180 250 condensate, lbh differential pressure, psig b series capacities 5,000 3,000 2,000 1,000 100 b515 b series the b series inverted bucket steam traps are traditional cast iron, horizontal flow products. The heart of its simple design is a unique leverage system that multiplies the force provided by the bucket to open the valve against pressure. Armstrong inverted bucket steam traps open and close based on the difference in density between condensate and steam the inverted bucket principle. Steam traps can be divided into three general categories based on their operation mechanism.
This pulls the disc off the seat allowing condensate to be discharged through the seat orifice located at the top of the trap. Spiraxsarco offers inverted bucket steam traps in a variety of sizes and capacities. Inverted bucket steam traps specification furnish and install as shown on the plans, inverted bucket traps capable of discharging condensate, air and other noncondensable gases without loss of steam. When steam enters the trap, it fills the bucket, causing it to become buoyant, overcoming the weight of the bucket, and rising to snap the plug into the seat. Based on tests and actual operating conditions, the energyconserving performance of the inverted bucket steam trap has been rated excellent. Trap closed after trap is installed and primed, steam entering the trap collects in the top of the bucket, floating the bucket and forcing the valve into its seat. Inverted bucket steam traps xylem applied water systems. Air trapped in the bucket escapes through a vent hole c. Installation and testing of inverted bucket steam traps manual. During startup, the trap is filled with water, with the bucket a at figure 2. When steam enters the trap body it collects in the inverted bucket. In the top of the bucket there is a small bleed hole which allows air to escape from inside the bucket and exit through the outlet port figure b. The stainless steel bucket and valve are resistant to corrosion and water hammer.
When steam arrives through the inlet of the trap, it fills the inverted. The trap should be disassembled periodically for inspection and cleaning of the valve head and seat. Put the inverted bucket to work in a tough cast iron package with an integral strainer, and you have the best of both worlds. The inverted bucket steam trap venting of air and co 2 the armstrong inverted bucket provides continuous automatic air and co 2 venting with no cooling. Inverted bucket trap works on the principle of buoyancy, densities difference of water and steam. Inverted bucket traps rely on the density difference between steam and water to drain condensate as it forms.
Armstrong inverted bucket steam trap service guide armstrong series 8008 inverted bucket steam trap submittal sheet armstrong steam trap chart the most reliable steam trap knownthe. Water seal the valve seat will be always sealed by condensate, which prevents steam from being discharged. A pipeline strainer should be fitted ahead of the trap along with isolation valves and pipe unions as. Locate the trap below and close to the drain point where it is accessible for inspection and servicing. They feature robust steam trap operation and longlasting operational efficiency.
The armstrong inverted bucket steam trap, model 881, features a 1 pipe connection in an inline horizontal configuration and an integral strainer. Spirax sarco inverted bucket steam trap, b1hs125 series, 34 in nominal size, fnpt, 5 in length, 125 psi operating, cast iron, 450 deg f operating, domestic. The rising in condensate level fills and envelopes the bucket causing it to sink which open the mechanically linked valve and. Inverted bucket steam traps specification furnish and install as shown on the plans, inverted bucket traps capable of discharging condensate, air and other noncondensible gases without loss of steam. Steam traps tlv a steam specialist company international. Valve and seat assemble should be made as a matched set so that it would insure tight. Inverted bucket steam traps iso 6552 description the s and sf series are a range of inverted bucket steam traps. The body and cover are constructed from cast iron and the complete unit is readily maintainable. Our specialists can ensure that your steam traps are all.
Inverted bucket steam traps spirax sarco inverted bucket steam traps employ a simple and wellproven principle, which relies on the difference in density between steam a vapor and condensate a liquid. Air vent shall be of balanced pressure design with stainless steel welded encapsulated bellows capable of discharging air and noncondensable gases continuously. Steam traps service manuals resources watson mcdaniel. Cast iron inverted bucket steam traps b series maintenance this product can be maintained without disturbing the piping connections. The first steam trap to make an appearance was a bucket type steam trap, developed in the first half of the 1800s. The inverted bucket steam trap energy efficient because its so reliable the inverted bucket is the most reliable steam trap operating principle known. These traps shall have a stainless steel sealed body, hardened chrome steel valve and seat and an all stainless steel linkage and bucket.
This article on inverted bucket steam trap provides information on various aspects of these steam traps such as operation method, design variations, various features, typical installation in piping system and applications. Ib series inverted bucket steam traps watson mcdaniel. Armstrong 814816 series inverted bucket steam trap. Installation and testing of inverted bucket steam traps. The ibv series inverted bucket vertical steam traps are suitable for use with saturated and superheated steam and in high pressure and high temperature applications. They have a robust design and incorporate a simple density sensitive bucket and lever mechanism. With check valve fitted in the inlet, they can be used with superheated steam. Steam trap shall be of float and thermostatic design. Ibv series clf2 carbon steel inverted bucket vertical steam trap. When the steam condenses the bucket is no longer buoyant causing the bucket to drop, opening the valve seat and allowing condensate to discharge to the. Dt inverted trap has special lever structures, extensively applied industries of petroleum, textile, foods, paper making, chemical industry and steam pipelines.
When the trap is filled with condensate, the inverted bucket inside the steam trap loses its buoyancy and rests on the bottom of the trap. The rising in condensate level fills and envelopes the bucket causing it to sink which open the mechanically linked valve and discharges the condensate, and reverse, when the. Float shall actuate the valve via a hinged lever and linkage. Inverted bucket steam traps im2400us december 2017 installation and maintenance instructions safety information safe operation of these products can only be guaranteed if theya rep roperlyni stalel dc, ommsi sionedu, seda ndm aintained by qualified personnel see section 1.
The trap stays fully shut until sufficient steam has condensed to allow the bucket to immediately drop, and return to its fully open state. Inverted bucket traps are the most robust type of the mechanical traps. Spiraxsarco inverted bucket traps are available in pipe sizes from 12 to 2, steam operating pressures from 15 to 250 psi, and in cast iron, cast steel, and stainless steel. The buoyancy of the steam raises the inverted bucket which pushes the valve head into the valve seat, closing the trap. Well help you find the correct solution for your needs. Armstrong inverted bucket steam traps only have two moving parts the valve lever assembly and the bucket.
Capacity charts for hm34 inverted bucket steam traps. The trap is easily replaced without disturbing the piping connections. Inverted bucket steam trap in all stainless steel, nonrepairable, freeze resistant, with continuous air venting at steam temperature, freefloating stainless steel mechanism. The trap contains an inverted bucket mechanism which responds to the difference in density between steam and condensate, the discharge action is cyclic. Capacity charts for hm series and 200 series inverted bucket steam traps. Inverted bucket steam traps keystone steam supplies. Complete isolation of the trap from both supply and return line is required before any servicing is performed. As its name implies, the mechanism consists of an inverted bucket which is attached by a lever to a valve. That means no fixed points, no complicated linkages. As the bucket moves up and down in the condensate, aread more. Capacity chart for s and sf inverted bucket steam traps. Bear trap inverted bucket steam traps for efficient condensate drainage of industrial process and hvac equipment. Mechanical steam traps ball float steam traps and inverted. As a steam trap wears, it loses efficiency and begins to waste energy.
A steam trap is a kind of automatic valve that discharges condensate generated during processes and in steam transport lines while preventing any steam from escaping trapping the steam. The liquid expansion steam trap employs a liquid expansion device to discharge condensate at a predefined temperature. This pattern allows steam to enter from one side of the trap, and the condensate to discharge from the same side of the trap. Selecting the right steam trap armstrong international. In inverted bucket steam traps, the bucket within the trap is attached to a lever that opens and closes the trap valve in response to the buckets motion. Ibv series z alloy steel inverted bucket vertical steam trap. The most reliable steam trap known the inverted bucket provides efficient condensate drainage of virtually all types of steam using equipment. S and sf series cast iron inverted bucket steam traps.
Trap begins to open as condensate begins to flow into the trap, steam and air are forced from the bucket. The trap contains an inverted bucket mechanism which responds to the difference in density between steam. Follow this same procedure for the remaining letters. After trap is installed and primed, steam entering the trap collects in the top of the bucket, floating the bucket and forcing the valve into its seat.
This simple fact means that inverted buckets are subject to. An essential part of the trap is the small air vent hole in the top of the bucket. Hm34 series carbon steel inverted bucket steam traps. Available with a wide selection of valve orifices for precise pressure and load matching.
For drip applications, the smaller sized units have adequate capacity. They operate more efficiently longer because the inverted bucket is the most reliable steam trap. Ib series inverted bucket steam traps are used in drip applications to remove condensate from steam mains and steam supply lines. The types developed in the early years of steam traps were a metal expansion type in the 1860s, then an impulse type quite a bit later in the 1930s, and finally in the 1940s the disc type with which we are all familiar. This is the air that passes through the small vent in the top of the bucket and amounts to approximately 10 cu. These traps shall have a heavy cast iron body, hardened stainless steel valve and seat. Spirax sarco 64168, b1hs125 inverted bucket trap cooney. But armstrong inverted bucket traps last years longer than other traps. This causes the bucket to begin losing buoyancy, tending. Usib450h inverted bucket trap module with uc450s universal connector. Strainer scaleresistant thanks to selfcontained strainer. There is an intermittent air loss through an inverted bucket trap draining water from compressed air. Put the inverted bucket to work in a tough cast iron package, and you have the best of both worlds. The most reliable steam trap knownthe inverted bucketprovides efficient condensate drainage of virtually all types of steamusing equipment.
Traps 466 uib30 and uib30h sealed inverted bucket steam trap for use with universal connectors the trap contains an inverted bucket mechanism which responds to the difference in density between steam and condensate. The inverted bucket steam trap is simply an automatic valve that opens for condensate, air and co and closes for steam 2 and it ef. The ibv is fully automatic and has been designed in such a way that there is minimal friction from mechanism movement. As the bucket moves up and down in the condensate, a linkage connected to the bucket closes or opens a discharge valve trapping the condensate or allowing it to escape. On figure figure 14 figure 15 figure 16 figure 17 figure 1 figure 2 mechanical steam. The discharge orifice of the inverted bucket trap is mounted at the top of the trap body, which makes them less susceptible to failure from dirt and debris when compared to. Inverted bucket steam trap the piping engineering world.
Because they operate efficiently for longer periods of time, armstrong cast iron inverted. Series b inverted bucket steam traps series b1 available in sizes 1. This causes the bucket to begin losing buoyancy, tending to pull the valve from its seat. Available options s series inline connections and integral strainer sf series integral. This configuration allows steam to enter from the bottom of the trap, and the condensate to discharge from the top of the trap. The inverted bucket steam trap is shown in figure 11. An inverted bucket floats in condensate that surrounds the bucket. Ibv series c carbon steel inverted bucket vertical steam trap.
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