Mechanical seals technical manual industrial bearing s. John crane is an american company, now a subsidiary of smiths group and provider of engineered products and services including mechanical seals, couplings, seal support systems, filtration systems and artificial lift. Check for a plugged flush line orifice by taking temperature. The mechanical seal is the pump component exposed to the most intensive wear. Failure to observe the instructions contained in this manual could result in personal injury and. The assembly drawing is included in the shipping box with the mechanical seal.
Seals and sealing handbook kindle edition by flitney, robert k download it once and read it on your kindle device, pc, phones or tablets. Materials see inside end cover of manual for the material code nominal diameters d 1 and d 10 of the mechanical seal shaftshaft sleeve diameters are always threedigit numbers beneath the stationary seat for types u and b seal face stationary seat secondary seals spring other metal parts except seal cover and shaft sleeve. Operating manual h75s2dw00 page 4 24 en h75s2dw00 april 28, 2016 rev. Seal selection can be based on the fluids specific gravity and the maximum allowable voc emission levels. Our broad product line includes mechanical seals, radial lip seals and noncontact labyrinth bearing isolators. Engineers operators maintenance personnel purchasing personnel technical management the information found in dry gas seals handbook will help you make informed decisions regarding the application, operation, and maintenance of dry gas seals. Mechanical seals according to en 12756 code system for single mechanical seals there is a distinction drawn between standard n and short k types. For any data that is not included or not inferable from this manual please contact m pumps process. The stationary part of the seal is fitted to the pump housing with a static seal this may be sealed with an oring or gasket clamped between the stationary portion and the pump housing. Mechanical seals technical manual klozureis the leading manufacturer of bearing protection devices for the heavy duty industrial market. As a result, the quality and durability of a mechanical seal have a major influence on the. Mechanical seals have the purpose of preventing leakage of a fluid.
Mechanical seal failure modes and causes book size. Nominal diameters d1 and d10 of the mechanical seal. Mechanical seal guidelines for wastewater treatment flowserve. Used for difficult sealing problems or applications involving the separation of two fluids or exclusion of foreign materials. Packing although mechanical seals had been around for many decades, by 1955 industry had converted only a small.
In cooperation with our alliance customers, we have improved operational efficiencies to worldclass standards. Materials see inside end cover of manual for the material code. Jan 03, 2015 for optimum mechanical seal mtbfs, execute the following mechanical seal monitoring best practices. As the demands on mechanical seals increase, flowserve continues to redefine how they perform. At utex, we refer to this type as rs1 the assembly shown in the pump is configured with a. Assure that the seal chamber is cleaned and shaft is deburred to remove any sharp material that could damage seal sleeve o ring. Seal assembly and disassembly guidelines chapter d19 page 4 contact kalsi engineering search this handbook figure 5 extrusion gap corner burrs can damage seals projecting burrs at the extrusion gap corner can cause several types of rotary shaft seal damage. Also called the heart of the curve, it assures maximum centrifugal pump mtbf by avoiding all operating areas of hydraulic disturbances.
This handbook provides a valuable reference and workbook for use by fluid power. April 2020 carbongraphite for dry running mechanical seal faces. About esp esp offers a suite of products and services that are critical to global oems. The mechanical seal mechanical seals have the purpose of preventing leakage of a fluid liquid or gaseous through the clearance between a shaft and the fluid container. Seal basics a mechanical seal is a device used to seal the interface between a rotating shaft and a stationary housing figure 1. Jan 10, 2015 cartridge mechanical seal installation. To enable your ksb pumps to operate at their best, we offer lowwear mechanical seals that have been developed inhouse for different pump type series. The mechanical shaft seal is essentially a throttle arranged around the shaft. His early engineering experience involved the operation and maintenance of power and process plants in the marine and frozen food industries. The most significantdevelopment in the evolution of the radial lip seal happened toward the end of world war ii. Probably the most widely recognized and also most common mechanical seal used in general service, low pressure applications.
It has been the foundation for every wilfley pump design, dating back to the groundbreaking model a. Mechanical seals are designed to overcome these drawbacks. Meco shaft seals guidelines for designing a mechanical shaft seal designing a mechanical shaft seal to meet the specific needs of your machinery and process parameters requires sharing information. Thermoplastics have good ductility and formability. June 2019sealing highspeed shafts in turbomachinery. Set the inboard seal head at the dimension shown on the unit mechanical seal assembly drawing. The manufacturer listings are alphabetical, refer to pages 7. This includes detailed coverage on the seals applicable to static, rotary and reciprocating applications, the best materials to use in your. Installation procedures for component and cartridge. Use features like bookmarks, note taking and highlighting while reading seals and sealing handbook. The complete cross reference for mechanical face seal replacement how to use this catalogue locate the manufacturer of the equipment. Providing detailed application information for a mechanical seal may seem overwhelming at first, but breaking it down into phases simplifies the task. For double mechanical seals backtoback en specifies the short type only.
October 2018 a guide to elastomer technology in mechanical seals. Read our updated seal catalog which includes more than 100 flagship seals and sealing systems and see how flowserve products can help you push. November 2018 using iot to improve mechanical seal. Averitablehowtoguide,the navy seal survival handbook is an absolute must have for every outdoor enthusiast, adventurerorarmedforcesmember. Engineered for ease of installation on large shafts. Refer to pump vendor manual and maintenance records to ensure proper cartridge seal will be used. Do not use the pump before you have read and assimilated all safety rules and instructions in this manual. Mechanical seal technology and selection eagleburgmann. It represents the collective wisdom of our senior staff members, who have many decades of experience in solving seal implementation challenges. Allpurpose seal available in a wide range of sizes. Find john crane mechanical seal manual related suppliers, manufacturers, products and specifications on globalspec a trusted source of john crane mechanical seal manual information.
This material could be a hardened, coated or plated metal, ceramic, or carbide face or sleeve. Flowserve provides sealing solutions as a single resource for the improvement of end user rotating equipment operations. Btn agitators installation, operation maintenance manual. This allnew cr seals handbook from sf combines or best ideas and insihs from he ast and he resen we hoe i beomes yor. The stationary components will consist of a seal ring and depending on the design a springloaded element. Seals and sealing handbook, 6th edition provides comprehensive coverage of sealing technology, bringing together information on all aspects of this area to enable you to make the right sealing choice. It reduces leakage between the pump and the surroundings to an absolute minimum. Thats why flowserve seals are the industrys top choice for the most challenging environments. The kalsi seals handbook includes rotary seal implementation and troubleshooting guidelines, with a special emphasis on oilfield sealing applications. Find john crane mechanical seal manual related suppliers, manufacturers, products and specifications on globalspec a trusted source of john crane mechanical seal. Thisbookispacked with a ton of useful information on wilderness survival. Seal type the mechanical seal shown in the pump photograph is a type 1 mechanical seal.
Rather than two flat rings, the sealing interface is a polymer material deflected against a hard material. They are followed by corresponding sections of the selection guide, which summarize recommendations for seal type, materials of construction, and environmental. Fluid sealing association representing manufacturers of. H75s2dw00 dw specified shaft diameter applies to all mechanical seals of the same series these instructions are intended for the assembly, operating and supervising personnel and should be kept at hand on site. Gasket handbook, 1st edition successfully sealing a bolted flange connection is dependent on all components of a welldesigned system working together, effectively and safely. Oring technical handbook as your valueadded partner, eriks offers the technical expertise to provide customized solutions to your seal requirements. The seal ring which rotates with the shaft is called the rotary ring. In the late 1920s, a self contained shaft seal was created from oil resistant leather assembled into a metal case. Guidelines for predictive maintenance of mechanical seals. Mechanical seals technical manual brenner industrial sales. As previously stated, a pump with a throughshaft is not leakproof. Please read this manual carefully and observe the information contained as to. This was the firstradial lip seal to be press fitinto an outside diameter od bore.
Since our subject is dealing with pumps, lets first explore a basic understanding of the need to. The macromolecules in thermosets are closely intertwined and are interconnected. It has been the foundation for every wilfley pump design, dating back to the groundbreaking model a slurry pump in 1919. Place the outboard seal head back to back with the inboard seal head.
Mechanical shaft seals this section briefly describes the design and elements of the mechanical shaft seal. Because of our technical experience, special applications are no problem for eriks. This cr seals handbook inldes a rane of raical knowlede and insihs abo everyhin from seal installaion storae and handlin to comle seal aliaion enineerin and trobleshooin cones alon wih seal seleion ides and fll rod lisins b shaft sie his handbook also hihlihs ke cr seals es and tehnoloies inldin sf wave sf ede and sf fle seals. Mechanical engineer in the uk and a member of the institution of mechanical engineers.
Our extensive range of mechanical seals includes standard cartridge, pusher, metal bellow, mixer, compressor, slurry, gas barrier and. Mechanical seals fluid sealing association representing. This is commonly seen in centrifugal pumps although this challenge also exists in other equipment such as agitators, turbines, compressors, centrifuges, and blowers. A mechanical seal is a device used to seal the interface between a rotating shaft and a stationary housing figure 1. For optimum mechanical seal mtbfs, execute the following mechanical seal monitoring best practices. In a lip seal type mechanical seal, a thin film of sealed fluid also lubricates the sealing interface. In every pump, the mechanical seal is one of the most important components. Assure seal chamber is isolated from all flush and quench connections. Model 3196 iframe installation, operation, and maintenance manual 5 introduction and safety introduction purpose of this manual the purpose of this manual is to provide necessary information for. This handbook was prepared by the fsa to assist designers, engineers and maintenance personnel in the selection of correct metallic and metallic composite gasketing materials for a wide range of applications and also to aid in their proper installation and maintenance for efficient service.
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