A detailed analysis of mechanical seals in use in exploration and production. It has combined the aspects of seal design, testing, standardization, and applications to provide the users and oems alike with a common source of information for mechanical seals. This is achievable by the gaskets shape and the gasket material quality. Increase your ability to specify seals to improve mechanical seal reliability. Viking universal seal pumps series 124a, 4124a, 124ae. With a lower k value, the safety against thermal overload will increase, but the mechanical seal may also lift off more easily. Seal faces are protected by clear water under pressure, injected directly into the seal cavity. The mechanical shaft seal is essentially a throttle arranged around the shaft. The ebaaseal improved mechanical joint gasket creates a superior seal while using the minimum torque values associated with mechanical joints.
Klozure mechanical seals fill in dimensions styl e 01 oring seat styl02 tsh ap eds t style 04 cup mounted seat style08 lsh ap. Hyclean single mechanical seals complete sru3 and sru4 pump models 2 seals per pump. The complete cross reference for mechanical face seal replacement how to use this catalogue locate the manufacturer of the equipment. All cartridge mechanical seals receive an individual serial number, which is etched on the seal during the. Figure 16 available with file but not mentioned any where in. Mechanical seal piping plans pdf book manual free download. Read online mechanical seal piping plans book pdf free download link book now. Type 6 seals are designed for use in small centrifugal water pumps, deep and shallow well jet pumps, swimming pool pumps and wastewater pumps. Mechanical seals have the purpose of preventing leakage of a fluid. Download mechanical seal piping plans book pdf free download link or read online here in pdf.
In end or rotatingface mechanical seal designs, the initial closing force is provided by a spring component, which can be a single coil spring, multiple coil back to basics. Type 48lp balanced pusher seal with plainface design for lower pressure applications. R90 single mechanical seals complete sru3 and sru4 pump models 2 seals per pump. Mechanical sealmixer application data sheet customer contact info company. Mechanical seals first in a series by ann attenasio. R90 single mechanical seals complete sru3 and sru4. Our jwsms compact cartridge mechanical seal fits most din and ansi pumps, to ensure it is. The john crane type 48 is the seal on which our api 682 offering is based. The oil returns through the rotorstator gap before returning via the conductor system. Mechanical seal technology and selection eagleburgmann. The assembly drawing is included in the shipping box with the mechanical seal. John crane is an american company, now a subsidiary of smiths group and provider of engineered products and services including mechanical seals, couplings, seal. Labelling of mechanical seals 34 autonomous circuits 5 mechanical seal dic 6 mechanical seal dif 7 mechanical seal dip 8 steam unions diph 9 mechanical seal disb 10 mechanical seal disc 11 mechanical seal disl 12 mechanical seal div mechanical seal dix 14 mechanical seal diz 15.
The stationary components will consist of a seal ring and depending on the design a springloaded element. We specialize in hardtofind seals and demanding applications. Click here for full pdf version of this article includes all graphs, charts, tables and author information. Use care when handling lapped running surfaces of the mechanical seal to ensure they remain clean and are free of chips or scratches. Exclusive mechanical seal lindsay marketing portal. The manufacturer listings are alphabetical, refer to pages 7. Unique seal failure modes mechanical seals also have a number of unique failure modes that can be difficult to determine due to the relative. A double mechanical seal installation kit is shipped complete with the olympia seal, stuffing box, barrier fluid reservoir, hoses, gaskets, bolts, studs, nuts, mounting bracket, and lubricant. The type 5615 and 5615q single seal arrangements incorporate an edge welded metal bellows seal head a common seal headmating ring set, utilized throughout all versions, is reversible to allow rotating seatmating ring or rotating seal head operation, and is interchangeable with oring seal heads. It reduces leakage between the pump and the surroundings to an absolute minimum. The following data is needed to evaluate the proposed service. Take particular care to avoid damage to lapped sealing faces and flexible sealing rings. Each cad and any associated text, image or data is in no way sponsored by or affiliated with any company, organization or realworld item, product, or good it may purport to portray. For the purposes of this discussion, consider that a mechanical seal will outperform common types of packing.
Hyclean single mechanical seals complete sru3 and sru4. Slide seal parts onto shaft in order according to the drawings in front of manual and any seal instructions at end of manual. A container holding a liquid or a gas has a rotatable shaft extending through its housing. The motor housing and bearing brackets are designed to give a good and even spread of the oil flow ensuring optimal cooling and lubrication for all rotating parts. As previously stated, a pump with a throughshaft is not leakproof. A mechanical seal is a device that helps join systems or mechanisms together by preventing leakage e. Sealing points 3 of the 4 main sealing points need little explanation, but consideration is required for the sealing point between the rotating and stationary components faces. Catalog download the best china mechanical seal supplier. Mechanical seal refurbishment services a costeffective, as new, refurbishment service for virtually any mechanical seal, whether from a weir company or from other manufacturers. These seals proved to be very effective until shaft speeds, temperatures and other parameters increased with the development of better transportation systems. Varco offers a tungsten carbide versus tungsten carbide primary seal with a tungsten carbide to carbon secondary double mechanical seal. This primary seal is the basis of a mechanical seal design, and is. Make and model of equipment shaft or sleeve outside diameter od direction of shaft rotation viewed from drive end seal cavity dimensions speed.
Used as a single, inboard seal on dual unpressurized arrangements and as an outboard seal. Additional comprehensive documents and information. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. Unlike an oring seal, the hydraulic diameter of a bellows seal is not a fixed geometric value. Aes 60mm single cartridge seal in static pressure test rig. R90 single mechanical seals complete sru3 and sru4 pump. Catalog for material and parts our catalog contains all the material and parts we provided as a support to our seals. Viking pump a unit of idex corporation cedar falls, ia 2007 viking universal seal pumps series 124a, 4124a, 124ae, 4124ae, 4124b, 224a, 4224a, 224ae, 4224ae, 4224b, 324a, and 4324a cast iron. A few basic components and principles in mechanical seal design contribute to a working seal at the interface of the rotating shaft and stationary pumpmixer seal chamber housing.
Components dry gas seals dry gas seals, an alternative to isosleeve and isocarbon seals, eliminate the need for oil supply systems. The seal is designed exclusively for sealing rotating shafts. Once the new window opened, right click your mouse and choose save as, you will download the pdf file to your computer. Just upload files you want to join together, reorder them with draganddrop if you need and click join files button to merge the documents. Mechanical engineering drawing book pdf mechanical engineering drawing book pdf, engineering drawing symbols and their meanings pdf at drawing design then we can present our concept in a drawing format hehe the video tutorial link is added. The effectiveness of a seal is dependent on adhesion in the case of sealants and compression in the case of gaskets. Preassembled this seal is designed for simple assembly and swift. The mechanical seal is a precision product and should be handled accordingly. This site is like a library, you could find million book here by using search box in the. No more packing to adjust, no more greasing the stuffing box, no more pump shaft vibration as the stuffing box wears, no more water. Mechanical seal refurbishment services cost effective and. Any oil or grease on the seal faces may cause the seal to leak.
A must read for all engineers, pump and seal professionals, end users, consulting engineers, distributors, and pump oems. As part of their educational mission, they develop publications such as the mechanical seal handbook, a primer intended to complement the more detailed manufacturers documents produced by the member companies. Size head ring ring bore code notes pump nameplate data mfg. Total adaptability results in maximum control in specifying the correct seal. Type 5610 and 5610q single seal arrangements incorporate an elastomer oring as the secondary sealing member a common seal headmating ring set, utilized throughout all versions, is reversible to allow rotating seatmating ring or rotating seal head operation, and is interchangeable with. Fluid is to be kept from escaping where the shaft extends through. These mechanical seals are applied in a wide range of industries, including petroleum refining, chemical, paper milling, steelmaking, water supply and sewerage, food processing and ship building. Although somewhat simplified there are all types of service variations and designs, some of which may contradict this description, the above can be considered a general description of how most rotary pumps function. No more packing to adjust, no more greasing the stuffing box, no more pump shaft vibration as the stuffing box wears, no more water on the pump station skid or on the pump house floor. John crane mechanical seals and seatsmating rings are precision prod ucts and must be handled appropriately. The end user license prohibits installation of these files on a network server or their. Other additional requirements, required tests and documents, etc. This was the firstradial lip seal to be press fitinto an outside diameter od bore.
This facilitates seallevel data monitoring and improved traceability, to help improve application performance over time. Mechanical sealmixer application data sheet customer contact info. Mechanical seal files 3d cad model library grabcad. What deadended seal chamber with recirculation from seal chamber no flush. Mechanical seals explained the basics mechanical seals are leakage control devices, which are found on rotating equipment such as pumps and mixers to prevent the leakage of liquids and gases from escaping into the environment. In order to comply with emission regulations and maintain an absolutely tight seal to prevent natural gas from leaking from the mechanical seals, the seals had to be pressurized exter. This was the firstradial lip seal to be press fitinto an outside. Double mechanical seals must be recommended for gritty or abrasive applications. Mechanical shaft seals this section briefly describes the design and elements of the mechanical shaft seal. B02 internal bellows mounted mechanical seal bellows with no bonded joints, available in viton, nitrile or epr single coil spring design with bidirectional shaft rotation feature available in 3 generic forms, covering shaft sizes 0. Exclusive mechanical seal designed to eliminate water spraying from worn packings. Leakage accumulator for vertical pump models with packed stuffing boxes collects.
Refurbished 50mm 4610 cartridge seals at final inspection. Viking universal seal pumps series 124a, 4124a, 124ae, 4124ae. Uflow seals feature tough nylon flanges, stainless steel screws and epdm rubber gaskets. As seal technology has advanced, the standard has expanded to incorporate new seal designs. Mechanical seals are simply another means of controlling leakage of a process where other means are deemed to be less capable of performing the task adequately. Mechanical seal handbook pdf get file mechanical seal handbook pdf. Piping plans help keep mechanical seals running cool and clean, promote safe handling of dangerous fluids, and extend the operational availability of rotating equipment. A dry gas seal is a mechanical seal that uses a sealing gas to create a barrier between the process gas and the. Do not exces sively compress the seal before or during installation.
This is drawing mechanical seal type rmsb, i am create by autocad 2007 files. Uflo mechanical seal product description the roofing industrys original mechanical compression seal provides a watertight mechanical seal that prevents damage to the roof and building from water backup. To install a seal, the pump would have to be taken offline and disassembled. A definition is better given after the functions of a seal are described. Bulletin number twentynine selecting mechanical seals. Dry gas seal a major manufacturer of centrifugal gas compressors had received an order for several large systems for an overseas cogeneration plant. Features of jwsms compact single cartridge seal modular design for different duties because of its modular design, with all interchangeable parts available in various materials, the jwsms mechanical seal is applicable to many different process applications and fluid media. Packing although mechanical seals had been around for many decades, by 1955 industry had converted only a small percentage of pumps from packing to mechanical seals. Pdf analysis of mechanical seals for highspeed centrifugal gas.
The most significantdevelopment in the evolution of the radial lip seal happened toward the end of world war ii. With over 50 years of experience in supplying quality replacement mechanical seals, we can help you identify the seal. Clean both rotating and stationary seal faces with a lint free rag and isopropyl alcohol. Increase seal chamber pressure and fluid vapor margin. We manufacture mechanical seal types to suit all industries and our investment in modular design means that we provide the best ontime delivery performance in the industry. The initial closing force ensures that the seal will function properly from startup. It is recommended to replace both sets of seals when wear dictates seal replacement sru3 sru4 part no. Press the stationary seat in seal seat cavity of the adapter squarely and evenly using a arbor press if possible and the cardboard disc supplied with the seal. Our mechanical seals are used in a wide range of pumps and rotating equipment worldwide to prevent liquids and gases escaping into the environment. The seal box design allows speedy seal maintenance. Selecting mechanical seals what is a mechanical seal.
The specifically engineered shape allows the gasket to deform or deflect up to 30 percent more than a standard mechanical joint. Pdf joiner allows you to merge multiple pdf documents and images into a single pdf file, free of charge. All books are in clear copy here, and all files are secure so dont worry about it. Design features one piece design enhances production line installation and allows for ease of replacement precision surface finish optimizes the service life and reliability. Clean gasket and flange faces, seal seat cavity, seal head bore and shaft, in particular. We know you take cases like this very seriously, and so do we. The seal between the gland plate and stuffing box, this is usually a gasket, or oring. To ensure that your slm6200 mechanical seal will provide you with the longest possible life, we recommend the following. Press the assembly until the back side of the elastomer bellows is flush and parallel to the equipment. Viking pump a unit of idex corporation cedar falls, ia 2007 section 630 page 630.