A wide variety of eccentric reducer options are available to you, such as hexagon. Pressure drop through eccentric reducers posted in industrial professionals. Large size eccentric reducer is a kind of fitting that be used for reducing piping size. Eccentric reducers at pump suctions which orientation. Only on steel piping because i know of no ecentric reducer that is made in copper. The reducer must be installed with straight side up so that it can prevent trapping air at the pump suction. Reducers are typically concentric, but eccentric reducers can be used to.
As a eccentric reducer in a vertical line is used, it may also be important, which side should be oriented to the north, south, east or west. Looking for downloadable 3d printing models, designs, and cad files. An eccentric reducer is designed with two female threads of different sizes with centers so that when they are joined, the pipes are not in line with each other, but the two pieces of pipes can be installed so as to provide optimum drainage of the line. Eccentric reducer 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. They are used where the diameter of the pipe on the upstream side of the fitting i. You can create an axis in an eccentric reducer to control the angular orientation of the reducer in a route subassembly.
For technical drawings and 3d models, click on a part number. Concentric reducer is most commonly used and often eccentric reducer used in piping in about pump and pipe rack area. Eccentric reducers,stainless steel eccentric reducer,cast. Mss sp43 only covers stainless steel buttweld fittings made for use with schedule 5s and 10s pipe and stub ends suitable for use with. They are designed to be inserted inline and have a lower chance of. Stainless steel eccentric reducer tork systems, inc. My usage of eccentric reducers may be as high as 50%. When you insert the reducer, the vertical axis is aligned to the first construction line drawn. About 52% of these are pipe fittings, 1% are speed reducers. On the other hand a concentric reducer or an eccentric reducer installed improperly flatonbottom in a pump suction. It is available as 304304l stainless steel or 316316l stainless steel with a butt weld connection, and has the following options for schedules. We tried what you suggested, adding an axis to the reducer, naming it vertical. We have tried to insert the eccentric reducer, but eventually we have to rotate it manually to choose the correct orientation.
Creating eccentric reducers fillet problem dassault. An eccentric reducer is a fitting used in piping systems between two pipes of different diameters. A wide variety of eccentric reducers options are available to you, such as head code, shape, and connection. Butt weld eccentric reducer, ss eccentric reducer, ss. High pressure concentric reducer, a234 wp91, ansi b16. This allows the pig to be pushed into the pipeline to make a good seal, ensuring the pig will launch. The grabcad library offers millions of free cad designs, cad files, and 3d models. Unless otherwise specified, cast iron flanged fittings are drilled and faced in accordance with asme b 16. Here you can find the most popular applications that can replace solidworks for mac. To continue the route from the other end of the eccentric reducer, do one of the following. As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any sizereduction requirements including, how to make eccentric reducer pattern in sheet metal. Since 1946, southwark metal manufacturing has established itself as one of the largest manufacturers of hvac sheet metal pipe, duct, and fittings for residential and light commercial applications. When you add an eccentric reducer to a route, the route ends with the reducer. Eccentric reducers are normally used to connect two different sizes of sanitary tubing on a horizontal run.
The length of a reducer is very short in relation to the diameter, so in some dimensions the transition from one to another diameter is very abruptly. You can also choose from reducing, equal eccentric reducer, as well as from welding eccentric reducer, and whether eccentric reducer is forged, or casting. Offset straight reducers are also known as eccentric reducers. Rightclick the cpoint and select add to route to add new items to the current subassembly. Join the grabcad community today to gain access and download. I have attached a diagram of what i am hoping to model and, before the wave of criticism hits me remember, i have minimal experience as a draftsman. We have some equations for the concentric reducers which using an angle theta. The purpose of the eccentric reducer is to properly mix substances that have different densities to reduce variations in the pump system.
Our technical director, ed hawkins, talks about his current mac set up. It is therefore common practice to install eccentric reducers and on liquid lines that carry a little gas the flat side of the reducer is put on the top. This can easily be done using when working with 3d surfaces by drawing a cone and then stretching one of the cone to make it eccentric. Dimensions butt weld reducers concentric and eccentric. Tri clamp eccentric reducers are designed primarily to reduce in a horizontal flow application. But i am now attempting to model an eccentric reducer. Pvc schedule 40 eccentric reducer couplings are a type of pvc fitting designed for joining two different size pieces of pvc pipe. Eccentric reducer formula pipingweldingnondestructiveexaminationndt duration. I have search this forum and found various threads pertaining to eccentric reducer modelling, but havent really found them that useful. Hence the need for the reducer at the pump suction. An eccentric reducer is a part of a pump system that is placed directly in front of the impeller.
They are swept right through the pump while they are small and insignificant. Low prices and high quality at pvc fittings online. Hi pipeman1984, yes, it is common practice to orient eccentric reducers both flat side up and flat side down. How to make eccentric reducer pattern in sheet metal. Eccentric pipe reducer library from 4 to 12 grabcad. Buttweld fittings general reducers, caps, stub ends. Solidworks for mac by solidworks corporation isnt available at this moment, but fortunately there are many alternative solutions on the market. Reducer concentriceccentric, buttweld, ansi, wcs in. Is there any kind of pattern tool that allows you to do that without drawing each circle individually. Because they are flat on one side, there is no risk of pooling, unlike their concentric reducer counterparts. Pipingweldingnondestructiveexaminationndt 43,523 views.
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. A reducer allows for a change in pipe size to meet flow requirements or to adapt to existing piping. The reducer from the oversize barrel to the line pipe should be an eccentric reducer. Dear all, i am working on the hydaulic check of a refinery unit. The pvc fittings found in this category are all reducing sizes.
Lets say i have to make 50 concentric circles that are spaced apart 0. On sale and online today these schedule 40 pvc eccentric reducer couplings. High pressure concentric reducer high pressure concentric reducer is a kind of fitting that be used for reducing piping size. Solidworks sheetmetal eccentric reducer development. Pressure drop through eccentric reducers industrial. The following item is optional for a component to be used as an eccentric reducer in solidworks routing. I am doing piping drawings in 3d and i am having trouble creating an eccentric pipetubing reducer as a 3d solid. They are also well suited when one end is offset from the other in a vertical position. An eccentric reducer properly installed, with the flatontop fot in a pump suction line does not provide a place where these bubbles can collect. In this video tutorial about solidworks routing, i show you how to create a custom reducer. Looking for 4 x 3 sch 40 pvc eccentric reducer coupling soc 429422fe. Large size eccentric reducer steel blogsteel tube and. All of them will provide you with the necessary tools to create amazing cad computeraided design projects.
We have now tried and tested a configuration that works really well. All standard or class 125 cast iron flanged fittings are manufactured to asme specifications and are marked 125 for pipe sizes 12 nps 300 dn and smaller. The eccentric reducer offset is equals 12 times the larger id minus the smaller id. Dimensions are in millimeters unless otherwise indicated. The length of the reduction is usually equal to the average of the larger and smaller pipe diameters. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. Eccentric reducer article about eccentric reducer by the. It would basically be an offset tool, but having it repeat a. Good news for users who wish to run solidworks on an apple mac.