A wide variety of john crane mechanical seal options are available to. Type 21 elastomer bellows seal speed limits for your nearest john crane facility, please contact one of the locations above. Petroleum, chemical solvents, weak and medium acids, etc. Water, oil, and chemical mediums with weak corrosion. Whereas piping and pressure vessels are fixed equipment with.
The standards put forth by api standard 682 are meant to give you the tools to optimize product. Applications where mechanical seal heat generation is not very significant. Trade catalog, text, illus, photographs, cca corm10. Equivalent to john crane type 680 operating limits. John crane has a strong legacy that dates back to the creation of the crane packing company in 1917. This is often foe thawing mechanical seal in freezing temperature before pump startup. Equivalent to john crane type 8b1t mechanical seal multiple spring design,balanced seal operating limits.
The type 58u and 58b are multispring din 24960en 12756 seals. Mechanical sealmultiple spring which are availble in a wide varietyh of elastomers for handing practically every industril fluid. High quality multiple spring oring mechanical seals. List of john crane mechanical seal products and quality supplier of john crane mechanical seal from china, provide you reliable john crane mechanical seal manufacturers with through the certification. A mechanical seal is repairs saving, no shaft wear downs, no efficiency losses due to high leakages, caused by mechanical packing. 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. 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. In a piping plan illustrated, the flush connection noted for the inboard seal of a dual seal may originate from a number of suitable sources. Remove seal to be replaced from shaft andor sleeve. The leading john crane type 81 multi spring mechanical seals manufacturers and suppliers in china, offers john crane81 multi spring seal o ring mechanical seals with competitive price here. A quench stream is brought from an external source to. For technical info, dimensions and materials, please navigate the buttons below to view our catalog of john crane mechanical seal replacements. Component and material codes seal materials and selection seal families use of seal selection guide practical exercise with worked examples iso21049 api 682 new standard for mechanical seals a brief overview. Complies with international standard iso 3069, 5257 1975.
Installation of john crane type 37 mechanical seal 1. Increase seal chamber pressure and fluid vapor margin. Flexa seal provides a wide range of john crane mechanical seal replacements. John crane mechanical seal, china john crane mechanical seal. Vulcan type 24, burgmann mg912, john crane type 521, roten type 52 12 14 16 18. Make note of materials used for the old seal parts using u. John crane mechanical seal, john crane mechanical seal suppliers directory find variety john crane mechanical seal suppliers, manufacturers, companies from around the world at mechanical seal,pump mechanical seal,mechanical seal 155, seals. Innovators from the start, john crane designed the. This reference book provides a concise summary of the most essential piping plans used successfully in todays process plants. Generally used for ansi pumps with category 1 seals. Equipment maintenance 51 wastewater treatment 33 case studies 28 corrosion resistance 19 mechanical seals 19 troubleshooting 14 technology pump curves 10 cip systems 9 pump piping 6 cop systems 5 food safety 5 variable frequency drives 4 water hammer 4 seasonal maintenance 2 tank lining 2.
These mechanical seal are a result of two decades of experience in design, manufacture and operation of seals. Plan single seals flush thru seal chamber thru orifice to suction. The simplified installation due to cartridge design offers a great advantage to component seals and increases the potential longer stand up times. 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. Piping plans help keep mechanical seals running cool and clean, promote safe handling of dangerous fluids, and extend the operational availability of rotating equipment. Describes all sealing plans in most simplified manner. John crane type 8b1 replacement mechanical seals flexaseal. Flexaseal provides a wide range of john crane mechanical seal replacements. Importance of piping plans introduction the key to maximizing mechanical seal reliability and minimizing total cost of ownership is in controlling the environment in and around the seal. Prior to the tests conducted here, the filter unit was modified by replacing the silicon carbidesilicon carbide faced john crane type 1 mechanical seal with a john crane type 28ld air cooled seal. John crane mechanical seal suppliers, all quality john crane. John crane type 109, ky type 109, ptfe wedge mechanical seals. Seal material code found on the front cover foldout. Mechanical seals american coding system vulcan seals.
John crane mechanical seals tencarva machinery company. This website uses cookies to ensure users have the best online experience. Include a straight run pipe length equal to 5 to 10 times the pipe diameter between the pump inlet and any obstruction in the suction line. Mechanical seal manufactory, john crane mechanical seal. John crane type 109b, ky type 109b, ptfe wedge mechanical seals. Horizontal pumping systems high pressure injector or pipeline booster in the new highintake pressure application.
The straight run pipe gives you a uniform velocity across. Nov 06, 2012 mechanical seal piping plans single seals plans 01, 02, 11, 14, 21, 23, 31, 32, 41 dual seals plans 52, 53 a, 53 b, 53 c, 54 quench seals p. These seal are best suitable for application involving abrasive, corrosive and viscous fluids. Following the standard ps coding format, common in the north american market, simply use vs in place of ps. Rua javaes, 441443 bom retiro, sao paulo brazil cep 01010. Cooling of the mechanical seal and venting of the seal chamber is a function. Mechanical seal piping plans single seals plans 01, 02, 11, 14, 21, 23, 31, 32, 41 dual seals plans 52, 53 a, 53 b, 53 c, 54 quench seals p. They allow easy repair, reduce inventory, and permit a simple conversion to unbalanced or wedge seals.
John crane offers a comprehensive range of engineered mechanical seals and sealing support systems, mechanical packing, power transmission couplings and centralized lubrication systems under the brand names john crane, sealol, safematic, flexibox, metastream, powerstream, and lemco. General be sure to read all instructions carefully before installing seal to prevent the potential mismatch of the two sealing halves. It takes dedication, a broad portfolio of top tier lines, and unrivalled engineering knowhow to serve various markets with fluid handling equipment and solutions for 80 years. If the products featured will be used in a potentially dangerous andor hazardous process, your john crane representative should be consulted prior to their selection and use. Secondary seal teflon spring and metal part ss304ss316 working conditions. Remove holding clips after installing seal on shaft.
The chemical industry depends on john crane mechanical seals, seal support systems, and other engineered products for maximum reliability. For example, the flush for piping plans 1175 or 3275 may be the product plan 11 or an external source plan 32. The john crane type 32 seal is a precisions product. Horizontal pumping systems high pressure injector or pipeline booster in. 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 metal bellow seal heads. Multispring refers to 8 small springs used to properly b. John crane seal coding brief overview only material description code what does 35 mm t59bqr1shbp mean. John crane type 8b1t mechanical seal structure description. Api 682 arrangement 2 configurations considerations.
Chemical john crane mechanical seals, seal support. They are versatile designs using components common to other oring and wedge type seals. Keeping the suction piping short ensures that inlet pressure drop is as low as possible. A wide variety of john crane mechanical seal options are available to you, such as metal, silicone, and rubber. For your nearest john crane facility, please contact one of the locations above. Obstructions include valves, elbows, tees, and etc. Innovators from the start, john crane designed the worlds first automotive mechanical seal in 1949. Ptfe wedge seals for ease of installation, the leadin edge of the shaft or sleeve should be chamfered as shown. You may also be interested in acid liquid seal,acm oil seal,acrylic fiber seal packing,adhesive rubber seal,adhesive seal. Api has established standardized piping plans for seals that provide. Mechanical seals piping plans api 628 linkedin slideshare.
John crane type 109b, ky type 109b, ptfe wedge mechanical. In a plan54, a cool clean product from an external source is supplied to the seal as a barrier fluid. John crane mechanical seal, john crane mechanical seal suppliers directory find variety john crane mechanical seal suppliers, manufacturers, companies from around the world at mechanical seal,pump mechanical seal, mechanical seal 155, seals. This article is related to an earlier sealing sense that answered the question when and how do i use api. Consult the general arrangement drawing and applicable notes included with the actual seal. What deadended seal chamber with recirculation from seal chamber no flush. Applications where solids may tend to collect in a traditional cylindrical bore seal chamber. The mechanical seal division of the fsa is one of five with a specific product technology focus. Single seals circulation between seal chamber and pump created by design.
What are the best practices for ensuring the reliability of api piping plan 53b. For the american market, vulcan seals operates a common american coding system for a simple ordering process. All components are held togther by a snap ring in a unized construction design and can be repaired easily onsite. The mechanical seal is generally the weakest part of a pump, and if the mechanical seal fails, the entire pump is disabled. Piping plan 52 was originally developed for tandem seals. Hayes pump is a factorytrained, stocking distributor for john crane and provides local support and inventory. John crane seals southern design mechanical industrial. This reference book provides a concise summary of the most essential piping. John crane type 21, ky type 21, elastomer bellow shaft seals. John crane replacement seals mechanical seals flexaseal. Secondary seal nbrepdmviton spring and punched parts ss304ss316 working conditions.
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