If too much material is removed from the tube end or fitting cup, a loose fit may result in a poor joint. All fittings supplied with grooves or shoulders for fast installation. Pipe pipe thread dimensions nominal pipe sizes do not match any of its actual physical dimensions. Pipe drafting and design pipe drafting and design second edition roy a. For each pipe fitting, find the loss coefficient k from eq. Iti trade theory mechanical and electrician volume1 and volume 2 group full books pdf download dear students, sarkari result update. If the upstream and downstream lines of linear friction gradient are now extrapolated to the plane of the fitting, a loss of piezometric head. The basic theory and technique of soldering and brazing are the same for all diameters of copper tube.
Jan 08, 2019 iti trade theory mechanical and electrician volume1 and volume 2 group full books pdf download dear students, sarkari result update. Major and minor losses due to pipe diameter and fitting kade campbell abstract onger pipe with a smaller diameter and several types of fittings is bound to have high head losses and high frictional factors for many different volumetric flow rates. The trade fitter is a twoyear training course under the national vocational training system in india. We have them broken down into the subcategories and into brand names to help you find what you need. Based upon a unique or proprietary design of a pipe, fitting, or joint, the manufac. Some applications require lubrication of the entire gasket surface. Compare the values of k obtained from the experiment with the standard values for a given fitting. Figure 5 shows the schematic layout of the pipe network to. Best online training courses for oil and gas engineer. Help build a strong foundation through specialized programs that cover a wide variety of theoretical and practical instruction. Pipe fittings 4 how to order unilok pipe fittings are ordered by part number as shown as below.
Nominal pipe size 8 radius of an 8 pipe 112 x 8 if radius take out what is take out of a 90 butt weld of an 8 pipe. Pipe nipples are commonly used as adapters from one connection type to another. Standard elbow medium radius elbow long radius elbow 45 elbow tee return bend gate valve open globe valve open angle valve open length of straight pipe giving equivalent resistance flow. When a bend, tee, reducer, valve, or other flow altering fitting is introduced, the forces no longer balance each other. Standard fitting pressure ratings conform to ratings of installed coupling. Also, calculate the darcys friction factor f from eq. Back to basics w hen i left university, i found that i needed additional information to turn my theoretical knowledge of fluid mechanics into the practical knowledge required to specify a pump.
Pipe fitting is the operation of repairing or installing tubing or piping systems which convey gas, liquid, and solid materials occasionally. Table 3 friction losses through pipe fittings in terms. Preventing leaks in pipe joints course materials and pipe fitting and bending 64 pages. Glass lined pipe and fittings have been specified and utilized as a deterrent to interior buildup and clogging of problematic sludge and scum piping systems in wastewater and sewage treatment facilities for over 40 years. Pipe and pipes fitting class 3 mcq question youtube. The threaded portion of a pipe fitting is tapered so that when it is tightened, the part with the external thread male is forced into the internally threaded female part, creating a seal. Pipe fitting and piping handbook pdf free download epdf. Asahiamerica provides the theory and the data on the design within this section.
A fitting or adapter is used in pipe systems to connect straight sections of pipe or tube, adapt to different sizes or shapes, and for other purposes such as regulating or measuring fluid flow. These sizing schemes allow for universal adaptation of transitional fittings. The process piping a technical knowledge base for all. Dodge woodsonsecond editionmcgrawhill new york chicago san fra. Minor losses are expressed using the following equation. Outside diameter od remains same for a given size irrespective of pipe thickness. Theory should be assessed by the use of objective tests which consist of multiple choice, true false filename. Extreme care shall be taken when tightening pipe fittings. These fittings are used in plumbing to manipulate the conveyance of water, gas, or liquid waste in domestic or commercial environments, within a system of pipes or tubes. The minimum wage is increased from 40 to 70 cents per hour, the new york yankees win the world series, billy joel, bruce springsteen, tom watson, and meryl streep are born. When designing a pipe system, all of the topics in this section should be considered. Losses by pipe friction let us study the flow in the region where the velocity distribution is fully developed after passing through the inlet region as shown below. One who is capable of performing a manual or semiautomatic welding op. In piping, a nipple is a fitting, consisting of a short piece of pipe, usually provided with a male pipe thread at each end, for connecting two other female threaded fittings or pipes.
Anvil pipe fitters handbook 5 gruvlok installation pipe and flange data weld fitting and steel flange data table of contents gruvlok tech. Mar 28, 2020 trade theory for all technical competetion examination, previous year question of all technical examination all pdf document on telegram join our telegram group for pdf file with answer join our. Plumbing and pipe fitting unesco plumbing and pipe fitting national technical certificate. Table 3 friction losses through pipe fittings in terms of. For safety reasons, it is important to consider all topics. Dont overhang tape on the first thread as it might be entered the system. Every fitting is marked with manufacturers name for easy source tracing. In a pipe network, the presence of pipe fittings such as bends, elbows, valves, sudden expansion or contraction causes localized loss in pressure head. Fitting workshop pdfholding,measuring, marking, cutting. For instance, pvc pipe for plumbing applications and galvanized steel pipe are measured in iron pipe size ips. Identity the following hand tools used to install plastic pipe. Cleaning unilok pipe fittings are free from machine oils. When hooking a valve in series, always use a power beyond sleeve.
Discuss the basic types of piping, pipe connections, supports, drainage devices and insulation. If you are looking for something you dont see, please ask. Pipes, fittings and pipe fitting theory and practice. Major and minor losses due to pipe diameter and fitting. It contains 97 exercises in 5 modules and it broadly covers basic fitting, forging, sheet metal work, welding and turning. Pipe fitters tools part number pipe size in mm carbon steel d325 4 6 102 152. Experimentally, two sections of pipe with diameters of 0. Yes, ductile iron products can be successfully glass lined. Anvil international is the largest and most complete. If a fluid is flowing in the round pipe of diameter d at the average flow velocity v, let the pressures at two points distance l apart be p 1 and p 2. Mounting surfaces should be flat and care should be used when tightening mounting bolts.
Pipe fittings 3 pipe fittings features all fittings have a highquality appearance. Pipe size thread type fitting type pipe size thread type length material pipe schedule pressure rating unilok nace pipe fittings. Learning objectives here is what you will be able to do when you complete each objective. The basics of pipes and bends on ships marine insight. Best availability prices subject to change without notice. Identification types of pipe and pipe fittings, valves gaskets, orifice plates and pipe hangers. Assignment sheet 1, introduction to plumbing cimc a 2 42. Preface publication of this edition has been sponsored by the cast iron soil pipe institute to provide a reference handbook that fully meets the needs of those. Consider a case where fluid runs from a tank into a pipe whose entrance section is fully rounded. Pdf mainly, this presentation covers the pipes and fittings of piping. May 02, 2017 for advertisement on this channel kindly contact piping. Rukmini iti trade theory hindi vol 12 pdf full books. Pipes wall thickness astm a312, a358, a778, a53, a106, api 5l asmeansi b36. Graves this pdf the pipe fitters blue book book is not really ordinary book, you have it then the world is in your hands.
Document resume ed 374 3 ce 067 251 author atkinson, rhonda. Judging by the questions i see asked nearly every week on linkedin and elsewhere, i believe this is a problem shared by many engineers early in. Fundamentals of pipe fitting training manual course no. In a continuous straight run of pipe, the forces at one joint are balanced by the equal and opposite forces at the adjacent joints and the weight of the soil friction acting on the pipe.
Installers pocket guide for tube fittings ms58 swagelok company solon, ohio u. Pipe fitting phase 2 6 piping components and fittings revision 2. Apply a thin coating of gruvlok lubricant to outside and sealing lips of the gasket. Calculate the pipe diameters and branch lines for these risers. For example, it may be desired to predict the rate of flow along a proposed pipe connecting two reservoirs at different levels. H it is necessary to introduce the velocity heads in the upstream and downstream runs of pipe. In order to know how long a pipe fitting you need to connect two other pipes, you must first find out how much length the elbows ells add to connecting these pipes together. The difference between pipes and tubes is a matter of sizing. Pipe 6014 1 introduction to piping and pipe fittings learning outcome when you complete this module you will be able to. Pdf pdf the pipe fitters blue book pdf co civas lontree. Turn the fitting into the straight thread boss until the. Fitting is the process of assembling various parts manufactured in the machine shop. This book is designed for use in an instructorled program consisting of classroom discussion, demonstration, skill practice and selfstudy. Pvc pipe and fittings 2016 catalog not all irrigation products are listed.
In this experiment, you will investigate fluid flow in a pipe network and will explore several methods rotameter, orifice and venturi meters for measurement of the fluid flow rate. Pvc pipe and fittings 2016 catalog mti distributing. Oseal straight thread page 20 male connector oseal pipe thread page 20 male connector iso parallel thread page 21 male elbow pages 24, 25, 26 swagelok tube fittings 1 in. Fr ederick grinnell purchases a controlling interest. Clean the fitting cups by using abrasive cloth, abrasive pads, or a properly sized fitting brush figure 5. Chemical cleaning may be used if the tube ends and. For screwed systems the cap would have female threads where a plug would have male threads. Copper tube, cpvc, pex and other tubing is measured nominally, basically an average diameter. Pipe pipe thread dimensions nominal pipe sizes do not match.
This trade theory book is a part of the written instructional material developed in hindi for 1st year of training. Rukmini iti trade theory hindi vol 12 pdf full books download. When using a 90 butt weld ell, if the pipe size is 12, what is the take. Friction loss along a pipe introduction in hydraulic engineering practice, it is frequently necessary to estimate the head loss incurred by a fluid as it flows along a pipeline. Straight fittings are manufactured from quality bar stock for strength. Process piping fundamentals, codes and standards module 1. Fitter trade theory book pdf in hindi free download.
In the pipe bending operation the tube may be supported internally or externally to preserve the cross section of the pipe. The complexity of your system will dictate how detailed the engineering needs to be. Lath machine speedy fitter trade theory hindi pdf download this book free. Use liquid pipe sealant only cracked ports are not covered under warranty. Pipe pipe thread dimensions nominal pipe sizes do not. Pipe fitters square the pipe fitters square can be used to make a. Once you are familiar with the scales and tables of this square, you will be able to solve many of the complex problems encountered during pipe fitup and layout work with speed and accuracy.
Figure 5 shows the schematic layout of the pipe network to be. Turn on the water supply and, with a bucket to catch water, flush out the pipes before reattaching the valve to the supply tube. Pipe is a pressure tight cylinder used to convey a fluid or to transmit a fluid pressure, ordinarily designated pipe in applicable material specifications. We have in stock most of the pipe fitting tools you need whether it is hilo gauges, welding tools, marking tools, cutting tools, wraparounds, pipe spacing tools, and pipe clamps.
Fluid flow is an important part of many processes, including transporting materials from one point to another, mixing of materials, and chemical reactions. The following part number, phrn08n04nssis designated for reducing hex nipple, 12 mnpt x 14 mnpt, 316ss. Plumbers and pipe fitters calculations manual pdf free download. Pipes wall thickness best pipe fittings, steel fittings. Table 3 friction losses through pipe fittings in terms of equivalent lengths of standard pipe size of pipe small dia. For safety reasons, it is important to consider all. The basics of pipes and bends on ships page 17 female elbow a female elbow is a pipe fitting that is used to change the direction of the piping and has female threads on both sides, which allow for fixing pipes or fittings with male threads. Hardhat engineer online courses for engineer that teach. It also involves selecting and preparing tubing or pipe, joining it by several means and location and repairs of leaks. They come in various angles like 45 degrees and 90 degrees. Stresses in thickwalled cylinders thickwalled cylinders have an average radius less than 20 times the wall thickness. Introduction to piping engineering by gerald may, p. The platform iti trade theory mechanical group vol.
Remember, the take out of a fitting is the distance that a fitting extends the center line of a run of pipe past the end of the pipe. Overtightened bolts can cause spool bind and casting breakage. At the entrance, the velocity distribution is roughly uniform while the pressure head is lower by v22g. Materials designated tube or tubing in the specifications are treated as pipe when intended for pressure service.