Standardizing Spec-Driven Fittings, Part 3. Installation Manual 9. They are easier to place and provide more stability for maintenance. The eccentric pipe reducers allow simple connection of different sized pipes. Installation Manual Planning 20002172 February 2020. Sani-Matic can provide low Ra surface finishes, BPE fittings, orbital welds, eccentric reducers, and more to meet pharmaceutical hygienic design requirements. an eccentric reducer oriented with the flat at the top. experts, review questions and a whole lot more! PRGM # CADWorx Name Isogen Identifier S. Orientation of eccentric reducers When the source of supply is above the pump, then the eccentric reducers must be placed with the flat side at the bottom. Suction source design . . Eccentric reducers (3" x 2") through (24" x 22") 90 degree concentric saddle tee (1 1/2" pipe on 1 1/2" pipe) through (42" pipe on 48" pipe) 90 degree eccentric saddle tee . Fitting to pipe: Flanges are typically included on fittings. 4. A common example of using an eccentric reducer in a flat side up arrangement is in pump suction piping immediately before the pump nozzle in order to avoid creating a vapor trap in the line. Illustrations show the intended installation positions and orientation of each fitting: Eccentric SuctionReducers are to be installed with the straight side to the top to prevent air entrapment. end of the cleaning cycle. 3. Eccentric Reducers at Pump Suctions - Which Orientation? This is basically the ability of a fluid flowing within a conduit to transport free air in the direction of the flow. The "hydraulic transport-ability" is a function of: * pipe slope * amou. Orientation Mounting flush devices vertical or horizontal can results in difficulties in orientation. 3. Figure 2-1. 7) Select reducer orientation for the width axis. Eccentric reducer types are valid only for horizontal pipe segments. Horizontal gas reducers are always eccentric, in bottom flat orientation, which allows condensed water or oil to drain at low points. There are two main positions of the valve operating The orientation of the flat side depends on the direction of incoming water. Manholes with eccentric cones are probably the most common type of manhole used in most infrastructure projects. You cannot flip the fittings of type eccentric reducers during group fitting insertion because of the offset in the center line axis of such fittings. You may also select any other configuration. Duct system 1. duct systems 4. ducts 2. ductwork 2. Connectors are assigned a gender, abbreviated M or F. An example of this is a "3 ⁄ 4-inch female adapter NPT", which would have a corresponding male connection of the same size and thread standard (in this case also NPT).Common piping and plumbing fittings. Because the Hygienic Design for Bio-Pharm Applications A separate flange is added to the pipe segment. Concentric reducer is recommended for vertical inlet (suction) piping or horizontal installations where there is no potential for air vapor accumulation. The following table shows the different orientations of pipe connection types: Connection type. The following item is optional for a component to be used as an eccentric reducer in SOLIDWORKS Routing. Eccentric reducer with flat bottom is generally used in horizontal lines. I recently witnessed several installations (with pump issues) where the eccentric reducer angle was high and in excess of 25 to 30 degrees (15 degrees should be the maximum angle). You should choose an eccentric reducer when you want to keep one side of the pipe . (0° Reducer Orientation (A)) Eccentric Style Sanitary Elbow Thermowells (180° Reducer Orientation (C)) Burns Engineering Inc. 10201 Bren Road East Minnetonka, Minnesota 55343 For assistance call 800-328-3871 952-935-4400 Notes:. ECCENTRIC SUCTION REDUCERS NOTES: 1. Suggested cutoff values range from 0.2% to 0.5% of the maximum flow rate expected through the sensor but may be higher depending on the influences described above. Answer (1 of 2): Pump suction lines are normally sized for a low flow velocity (3 ft/sec or so). Can you install a concentric reducer in vertical position and a 90 on to the suction side of a vertical in line fire pump? Therefore, some of the larger diameter of the reducer may cause fluid sudden change. Table 2-3 . Seamless Pipe Nipple Hi everybody and @h.eger !. The gradual accumulation of air in a concentric reducer could result in a large bubble that could eventually cause the pump to stall or cause cavitation when drawn into the pump. Xem chi tiết. The plug rotates completely out of flow, allowing high, straight-through flow capacity. what is the proper orientation of an eccentric reducer on a condensate line? Figure 1 A shows the geometry of reducer used for further simulations. In this post, we will explore the INLINE_REDUCING, CORNER_REDUCING, BRANCH_REDUCING, and BRANCH_LET codes. Dimensions applicable to both Class 125 & Class 250 fittings. The throat is the same size as the pipeline. Most reducers for pressure piping systems are centric and easily combined with other parts. The purpose of an eccentric reducer on the suction side of a fire pump (when a size change is necessary) is to create a horizontal transfer of air/water into the pump. HP Reliability: Eccentric reducers and straight runs of pipe at pump suction. I know it is flat on the bottom for steam but there are differences in oppinion on the condensate. WARNING - Positioning of 18"X12" Eccentric Reducer is not in a standard Top or Bottom Flat orientation. Ductwork elbows 1. dwg export 1. The bolt holes are be similar divided over the diameter of the bolt . RECOMMENDATION #3: When needed, use eccentric reducers at the pump suction. . Orientation of eccentric reducers When the source of supply is above the pump, then the eccentric reducers must be placed with the flat side at the bottom. The length of the reducer has little relation with the change of pipe diameter. The following Isogen SKEYs can be used by CADWorx when creating an isometric. To avoid this, you can insert expansion fittings instead of reducer fittings or vice versa. A system and method of processing bone is disclosed. The biggest advantage of the eccentric is that there no dead spaces in the reducer part. Written by: Gordon Reddek at Piping Design Central . The improper use of a reducer at the pump flange can have the same effect. By using SolidWorks and ANSYS Geometry the 3D Modelling of the Concentric Reducer Pipe . The same fitting can be used in reverse as an eccentric increaser or expander. An eccentric pipe reducer fitting is manufactured with the smaller outlet off center to the larger end, which allows it to align with only one side of the inlet. The draining of the set can be done completely. A reducer is a kind of pipe fitting used in process piping that reduces the pipe size from a larger bore to a smaller bore (inner diameter). If the water is incoming from below the pump, the flat side should be on top, if from above the pump . It has the same behavior of an eccentric reducer, I mean, the valve's flow needs to be represented and also the orientation of course, because I need to inform which's the hand operator orientation. The feed is coming from above the pump. Questions relating to proper reducer application in centrifugal pump suction lines date back many decades. Cyclo Drive Gear Reducer adopt the principle of planetary gearing transmission and the construction of Cycloidal gear meshed with pin wheel, confirm to standard, with features of big ratio, high efficiency, compact structure, small volume, long life, little breakdown, strong ability against impact and so on, widely applicable to ceramic, drink, food, textile, mineral and metallurgical, lifting . If specifying eccentric be sure to specify top of pipe or bottom pipe for flat side orientation to the fabricators and field installers. 3. The dimensions of the reducers (concentric and eccentric) shall be obtained from ASME B 16.9 (Factory-Made Wrought Buttwelding Fittings) or other generally acceptable codes and standards. The cone-shaped concentric pipe reducer means the pipes have matched center lines, and the eccentric reducer has mis-matched center lines. Hi pipeman1984, Yes, it is common practice to orient eccentric reducers both flat side up and flat side down. Flanged, all types. FITTING SYMBOLS AND ORIENTATION When orienting fittings and valves it's important to know that there are good methods and poor methods in this orientation process The general rule for producing an isometric using GOOD techniques, is to draw the fittings so they are parallel to the last direction change or branch in the pipe Dimensions applicable to both Class 125 & Class 250 fittings. 6) Move along the line to select the diameter of the reducer end or enter the value with the keyboard. Call-outs for reducers/swages at equipment nozzles: concentric, eccentric (FOB, FOT) with sizes • Adequate space provision to swing spades and remove blinds • Adequate space provision for valve rising stems • Left- or right-hand instruments correctly orientated, e.g., ball pattern control valves • Personnel protection insulation limits . Key content includes: Orientation to the Trade, Pipefitting Hand Tools, Pipefitting Power Tools, Oxyfuel Cutting, Ladders and Scaffolds, and Motorized Equipment. Sani-Matic also offers premium bio-pharm documentation packages with hygienic components (see pages 14-15 for more information). As you undoubtedly know pumps are designed to develop head so the pump can be sized to deal with any losses you design on the discharge. Liquid and vapor could potentially be stratified and a concentric reducer could trap the vapor in the top of the suction line. Eccentric Reducers Installation. METHODOLOGY An alert message tells you to erase lines on other side and draw a new pipe lines with proper size. Special to the reducer manipulator is the Type field. 2. Sensor performance can be impacted by intermittent flow of the captured gas in a liquid fluid stream. They can withstand pressures up to 900 psi. the eccentric reducer flange. In this case, we have considered a square reducer with an inlet diameter of 25.4 mm and an outlet diameter of 19.05 mm. Basics of Orifice Plates. Connect these fittings to thick-wall plastic pipe— they have thicker, stronger walls than standard-wall fittings, so they can handle heavy duty industrial plumbing and water supply applications, such as water processing, waste water treatment, and irrigation. For steam distribution systems - you should ALLWAYS use eccentric reducers, with the bell part on the top of the pipe. piing fittings. Isogen SKEY definitions and symbol shapes are available in the Isogen Symbol Key (SKEY) Definitions Reference Guide. a-e according to the line placement and line . Strainers: This offers 4 options. Elbows used to go up & over pipe or obstacles cause an air trap. Eccentric Reducer by Service. . Orientation of eccentric reducers depends on the service. An eccentric reducer (flat side up) is used to allow any vapor in the s. by Editorial Staff. There isn't much space to install a 90 and eccentric reducer. Reducer Drawing. Pipe fittings Elbow, Tee, Concentric Reducer and Eccentric Reducer and their variants. A more important and often overlooked detail is the angle of the eccentric reducer transition piece—or think of it as the rate or ratio of reduction. This configuration prevents air pocket accumulation at the upstream end of the reducer. There are different types of reducers such as concentric and eccentric reducers, square and tapered reducers, etc. Until his death (at age 84, in 1995), world-renowned pump expert Igor Karassik frequently cor.. Bloch, Heinz P., Hydrocarbon Processing Staff. When you insert the reducer, the vertical axis is aligned to the first construction line drawn in the 3D sketch at the . . This is the final post of a three-part series covering the 13 different fitting codes defined by PTC in Spec-Driven Piping (for the first two posts see here and here, respectively). However, as per requirement user may add labels to display it in isometric drawing. In OpenPlant Isometrics Manager, for eccentric reducer there is no offset details by default. Bolt Holes for Flanges. I've this two-way valve that i need correctly represent in the isometrics. You can create an axis in an eccentric reducer to control the angular orientation of the reducer in a route sub-assembly. Connection orientation. To get the required size, modify the pipe size before you insert the fittings. The numbers and diameters diverge per Pressure Class, but is for every typ of flange in a specific Pressure Class the same. The orientation depends on where the suction pipe is located. 304 stainless steel eccentric reducer, 316 stainless steel eccentric reducer, sanitary stainless steel eccentric reducer 1,000 ₫: product, Sanitary stainless steel eccentric reducer, Sanitary stainless steel tee, reducer Eccentric Plug Valves in sizes .5-3" (15-80mm), feature a plug with upper and lower shaft in a one-piece casting. See below drawing. 60 inch Manhole - With Eccentric Cone. At least one of the impeller and the drum is rotated by a . 5.3 Minor Barrel. Picture 1 - Eccentric reducers installation when source of supply is below or above the pump suction nozzle. See image below after producing isometrics with default setup. The purpose of the eccentric reducer is to properly mix substances that have different densities to reduce variations in the pump system. Throat. The reducer is inserted in the line. Swage is used to connect a pipe with butt weld end to a pipe with a socket weld end. . Placing an eccentric reducer at the pump's suction flange should be done with the smaller diameter (pump flange) AT THE TOP. Most reducers are going to be concentric. Both of these have a consequence regarding flow. They are used where the diameter of the pipe on the upstream side of the fitting (i.e. Eccentric reducer. Eccentric reducer with flat top is generally used in suction line of a pump. A tissue separator is utilized to separate tissue comprising at least one of muscle, periosteum and connective tissue from bone in a safe, sterile and efficient manner. WARNING - No break points have been specified. Just as already circumscribed, ASME B16.5 is also de standard for the number and the diameter of the bolt holes in a flange. Amid air quality concerns, districts embrace electric buses. Longtime Packers Veteran Has Telling Aaron Rodgers Admission. In case you select line angle as 90 degree or 270 degree for eccentric reducer, program ends action alerting that eccentric reducer is not be used in vertical lines. Description: Specifies rhe dimensions, tolerances and generally used grades of stainless steel for bends /type 3D (90 and 180 ) with and without straight ends and type 5D (90 )/, concentric and eccentric reducers, tees, caps and stub ends with quality requirements as used for piping work. Piping or tubing is usually inserted into fittings to make connections. Pipe to pipe: A separate flange is added to each pipe end to create the connection. by sensor installation, orientation, sudden process temperature changes, and presence of entrained gas in a liquid stream or presence of liquid in a gas stream. You can create an axis in an eccentric reducer to control the angular orientation of the reducer in a route sub-assembly. Thick-Wall Plastic Pipe Fittings for Water. Duct fittings 1. duct sizing 1. Launch OpenPlant Isometrics Manager. Dimensions are in inches (mm) and may vary ± 1/4". 304 stainless steel eccentric reducer, 316 stainless steel eccentric reducer, sanitary stainless steel eccentric reducer. Register to Reply. 2. where flow is coming from) is larger than the downstream side, and where there is a danger that vapour may accumulate. (More on reducers and their implications mo- When using eccentric reducers, it is possible to trap gas in the section of process piping adjacent to the reducer. The suction however is another story. An eccentric reducer is a part of a pump system that is placed directly in front of the impeller. ECCENTRIC SUCTION REDUCERS NOTES: 1. In case of long horizontal pipe runs, air pockets are avoided by installing the eccentric reducer with the flat side up. This is the smaller diameter section of the pig trap. Answer (1 of 2): Pump suction lines are normally sized for a low flow velocity (3 ft/sec or so). Cycloidal Lantern Reducer is also known as Cycloidal pin wheel reducer made up from three parts in structure : Input part, Reduce part and Output part. Sometime the 'flat' side is down to ensure against build-up of debris and facilitate complete draining of the pipe (saves a valve, nipple, weld-o-let and potential vibration induced failure.) Key content includes: Orientation to the Trade, Pipefitting Hand Tools, Pipefitting Power Tools, Oxyfuel Cutting, Ladders and Scaffolds, and Motorized . This invention relates generally to speed reducers and, more particularly, to a two-stage speed reducer capable of achieving very high reduction ratios, and including a planocentric gear arrangement having an output ring gear and an eccentric planet gear which is axially adjustable with respect to the ring gear to allow for backlash adjustment between the gears from outside the gearbox. All you see is the manhole cover, usually found in the middle of the street, in parking lots, or other places where water . Vertical lines: It is okay to use a concentric or an eccentric reducer (flow up or flow down) in vertical lines. Use an eccentric reducer (with the flat side down) between the barrel and the throat to facilitate shoving the pig into the throat (with a concentric reducer or an eccentric reducer with the flat side up it can be very difficult to get a heavy pig to engage in the throat). Proper pipe supports are required to prevent strain on pump casing. Buttweld Fittings Manufacturers in India Buttweld Tee The Buttweld Pipe Fittings, Shri Parvati Industries is a leading Buttweld. In case of long horizontal pipe runs, air pockets are avoided by installing the eccentric reducer with the flat side up. If the pump didn't contain one of these parts, high-density material would sit at the bottom of the intake . When the source of supply is above the pump, then the eccentric reducers must be placed with the flat side at the bottom. www.burnsengineering.com Fig. An eccentric reducer (flat side up) is used to allow any vapor in the s. Eccentric reducer maintains the bottom level of pipe line after reduction in size. Eccentric reducer is recommended for horizontal flow to the pump. Illustrations show the intended installation positions and orientation of each fitting: Eccentric Suction Reducers are to be installed with the straight side to the top to prevent air . GF Piping Systems modelled eccentric reducers in such a way that inserting them results in an exclamation mark. Y type . Cycloidal Reducer input device include two roll bearing fixing on two eccentric knots which intricate 180 degree, center holes of two cycloid wheel are the roll bearing outer path, Cycloidal . The reducer must be installed with straight side up so that it can prevent trapping air at the pump suction. The straight plug face allows for inherent linear flow characteristic. Changing orientation and type of fittings Wavin added checkboxes in "Properties" window to easily: a. switch from an equal to an unequal Tee or from a straight 90° Tee to a swept Tee, b. change the orientation of a fitting or rotate an eccentric reducer, c. change many other features of the selected fitting. Piping Guide - Free download as Word Doc (.doc), PDF File (.pdf), Text File (.txt) or read online for free. 4. This is simply a metal plate with a hole in the middle for fluid to flow through. However, in the special case of slurries, the opposite orientation (small diameter at the bottom) is what . Orientation of eccentric reducers. Eccentric reducers are used when the pipes have to maintain the same top or bottom level. This is a time and experience-tested method of avoiding the formation of voids or air pockets in the suction line. Answer (1 of 2): The choice of what kind of reducer to use is all about the "transport-ability" of air. but will concentrate on the orientation and the use of the fitting. Fittings shown are intended to adapt the fire pump Good morning, In doing my research, I have seen that although the preferred orientation of eccentric reducers is FOT for pump suction piping, in applications that handle slurry service, the preferred orientation is FOB to avoid slug flow. 5. In this field you can specify concentric, top-flat (eccentric with a top-of-pipe alignment), or bottom-flat (eccentric with a bottom-of-pipe alignment) reducer types. Of all the pressure-based flow elements in existence, the most common is the orifice plate. DGrayPPD (Mechanical) (OP) 8 Feb 17 14:04. Concentric reducers are recommended for vertical pig launchers. OpenPlant Modeler-OpenPlant Isometrics Manager Steps to Accomplish. A reducer allows for a change in pipe size to meet hydraulic flow requirements of the system, or to adapt to existing piping of a different size. In case of long horizontal pipe runs, air pockets are avoided by installing the eccentric reducer with the flat side up. Having trouble finding anything on this in NFPA 20 . 1,000₫ : product, Sanitary stainless steel eccentric reducer, Sanitary stainless steel tee, reducer. Dimensions are in inches (mm) and may vary ± 1/4". That one has cost me some time and money Also if tying into an existing piping system the existing pipe elevations could dictate need for concentric or eccentric. Stop overfishing or we'll buy elsewhere, top UK fish firm warns . However, waste water systems have eccentric reducers, which require a slightly different approach in handling. DWG Files 1. Proper suction piping design and installation considerations consist of pipe and pipe fittings and their relationship, quantity, and relative location to the pump suction nozzle. 2.
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