Permits use of less expensive seals and flush plans flush plans 11, 32, 52, 53, etc. Single spring and elastomer bellows mechanical seals. Flowserve product catalog pumps, seals, valves and. Unlike an oring seal, the hydraulic diameter of a bellows seal is not a fixed geometric value. Since 1988, it has provided proven service and failsafe. Abeyance seal, will limit leakage from the n seal package if excessive flow from the mechanical face seals occurs. Flowserve has the products, systems and expertise to help processes run smarter, safer and more efficiently. Plan 03 plan 65b plan 66a plan 66b what seal flush from pump discharge. Manufacture engineered and industrial pumps, industrial valves, control valves, nuclear valves.
Nseal flowserve pdf catalogs technical documentation. Hova products are backed up by a team of qualified engineers with longterm experience. Ssmtexd mtex dual seals ssmtexs mtex single seals sstype 48 type 48lp48mp4 8hp ssunitex unitex agitator mechanical seal saisi burgmann john crane aes flowserve roplan roten sterling vulcan ssm461 m461 ssm481 m481 ssseccomix seccomix hot pump seal saisi burgmann john crane aes flowserve roplan roten sscr1 sscr2 sscr3 ssemu soec ss. Mechanical seals often have one face of a suitable solid lubricant such that the seal can still operate for a period without the fluid film. Pump casing and cover feature metal to metal fit with fully confined, controlled compression gasket to ensure proper sealing and alignment. In the critical sealing of boiler feed and boiler circulation water, flowserve continues to innovate new technology to optimize and extend performance. Mechanical seal products open the catalog to page 1 a global leader, a trusted partner flowserve is the recognized world leader in supplying pumps, seals, valves and associated services to the power, oil, gas, chemical and general industries. For flowserve, he has served in design, testing, and application functions in both. Flowserve offers a comprehensive suite of services designed to provide unprecedented value and cost savings throughout the life span of a system.
It should be located as close as possible to and a short distance above the mechanical seal s centerline without obscuring access for pump maintenance. The seal s design compensates for misalignment and machinery tolerances. The following members of the mechanical seal division sponsor this sealing sense series. Flowserve mechanical seal plan pdf document fdocuments. He has more than 20 years experience in the design of mechanical seals, centrifugal and positive displacement pumps, and fluid conditioning equipment. These seals are equivalent to eagle burgmann y y14 y15 mfl85n mtex, johncrane 115wt and flowserve bx bxb bxr seals. Hova is an independent manufacturer of mechanical seals for certain. This isc seal is a versatile cartridge mounted mechanical seal, designed for ease of. The evolution and application of mechanical seal face.
Flowserve pump user instructions pdf download manualslib. A spare backup seal should be stocked to reduce repair time. The flowserve single spring seal range is divided into three main product groups, namely. Huebner is a principle engineer at flowserve corporation in deer park, texas. Only parts supplied by flowserve should be used to repair a seal. Mechanical seals have been accepted as the standard method for sealing rotating pumps for many years. Therefore, no icing can occur and the barrier fluid can be pressurized with nitrogen at low pressure. Pdf mechanical seals for high duty boiler feed water applications. By definition then, the properties and stability of the fluid film help determine the reliability of the mechanical seal. Due to the low pressure and the icefree seal environment, standard. Piping plans help keep mechanical seals running cool and clean, promote safe handling of dangerous fluids, and extend the operational availability of rotating equipment. Flowserve has an unrivaled combination of technical expertise and practical experience to help you solve the toughest fluid motion control challenges comprehensive portfolio flowserve offers the worlds most complete portfolio of pumps, seals, valves and actuation.
Flowserve moves, controls and protects the flow of materials in the worlds most critical industries. At flowserve, he has been responsible with new product development, research, product testing, field service, and. Flowserve product catalog pumps, seals, valves and actuation. Flowserve allpac 4 series user instructions pdf download. Flowserve recognizes that one of the most effective ways to achieve long, uninterrupted mechanical seal life is to create a healthy environment around the seal faces. Uncd coated silicon carbide as a seal face material enables flowserve to offer improved reliability in poor lubricating fluids without additional controls. Mechanical seal piping plans single seals dual seals.
Flowserve s products are designed, developed and manufactured with stateoftheart technologies in modern facilities. Other flowserve products pumps pumping systems from flowserve meet customer demands in the most. Our mechanical seals are a direct replacement of existing oem seals, designed to fit without any modification of the existing seal. Ris seal brochure flowserve pdf catalogs technical. Taperbore plus seal chamber to fit flowserve durco mark iii ansi pumps how it works the unique flow path created by the vane particle ejector directs solids away from the mechanical seal, not towards the seal as with other tapered bore designs. Flowserve bpo installation instructions manual pdf download. The seal, with backtoback seal face arrangement, results in the inner seal being subjected only to gas at 2 bar 30 psi above suction pressure. Pump models are divided into five sections, beginning with overhung pumps and continuing through specialty designs. No other pump company in the world has the depth or breadth of expertise in. We also offer onsite service and dry gas seal repair. Pss iii is a split seal for pumps that provides an ease of.
The ideal answer for seal users is mechanical seals lubricated directly by the process fluid. Repair and upgrades from machining to mechanical upgrades to onsite management, flowserve repairs and upgrades services to improve equipment performance while reducing downtime and costs. Replacement parts and components using its broad network of service and manufacturing centers, flowserve supplies customers with. By integrating hydraulic, mechanical and materials engineering knowledge with realworld operating and practical business solutions, flowserve helps customers. Dupont performance elastomers llc eagleburgmann mechanical seals flexa seal, inc. Vring throttle bushing lip seal with grease filled stuffing box soft packing api 610 compliant cartridge designs single mechanical seal, including dry running types pressurized double mechanical seal unpressurized double mechanical seal materials of construction.
A full complement of api 610 seal flush plans is available. Globally, we produce engineered and industrial pumps, valves, seals, systems and automation equipment, and provide a range of related flow management services. The selection and design of dual pressurized liquid sealing. An inspection by flowserve or its appointed representative is strongly advised. In order for mechanical seals perform extended time periods with low surfaces friction, is necessary good maintenance monitoring for hydrodynamic lubrication. These single spring mechanical seals have been designed to service the european pump market and are totally interchangeable, with all other manufacturers. 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. Instrumental in this process is the flowserve line of mechanical seals, support systems and services for pumps and other rotating equipment. Presented by flow solutions division flowserve at a glance founded. Mechanical seals are the most common method for sealing centrifugal pumps and many other types of rotating equipment. While there has been a significant amount of material published about general seal performance, there has been less material published on mechanical seal piping plans. All of these standards were primarily pump standards and any seal references were directed at. Mechanical seal products and services catalog flowserve. Pdf on may 15, 2008, gerard van loenhout published mechanical.
Station operators turn to flowserve to provide a safer, lower maintenance working environment. Flowserve corporation at gabellis 26th annual pump, valve and water systems symposium 021916 11. Flowserve provides the best sealing solutions drawing from the most comprehensive set of design options in the industry. Improves mechanical seal performance and reliability permits use of less expensive seal. Double lip oil seals top mounted vent and oil filler trico watchdog constant level oiler with integral viewpoint optional magnetic drain plug. To order replacement parts, refer to the part code and bm number. Mechanical seal technology and selection eagleburgmann.
Our industryleading portfolio of pumps, seals, valves and actuation is only part of the. After a storage period described in fis222, flowserve mechanical seal and seal support system storage, the mechanical seal must be inspected for its as new properties. Oring mounted seals, elastomer diaphragm seals and elastomer bellow seals. No other pump company in the world has the depth or breadth of expertise in the successful application of preengineered, engineered and. The unit is produced with great care and commitment to continuous quality control, utilizing sophisticated quality techniques, and safety requirements. While some mechanical seal standard existed, they were generally buried in other standards such as din 24960, ansi b73 and api 610.
Learn how to visually identify and prevent mechanical seal failures with this easytouse reference tool. Failure analysis and troubleshooting mechanical seals and. Pwr owners group flowserve white paper to the response of. Flowserve pump product catalog flowserve pdf catalogs. Shaft sleeve and gland plate constructed of stainless steel for optimum seal life cartridge seal mounting assures. No other pump company in the world has the depth or breadth of expertise in the successful. Material selection for mechanical seals 911 metallurgist. Flowserve manufactures one of the worlds most comprehensive lines of vertical turbine, mixed and axial flow pumps. Flowserve pumps, mechanical seals and seal support systems. In 1997 with the merger of two leading fluid motion and control companies bwip and durco international stock symbol. Pump division design benefits flexibility variety of mounting arrangements horizontal and vertical suction and discharge openings stuffing box accommodates packing or mechanical seals product lubricated bearings reliability.
Failure analysis and troubleshooting mechanical seals and systems. Advancements in mechanical sealing api 682 fourth edition. He has over 30 years of experience working with mechanical seal design, sealing systems, centrifugal pumps, and fluid handling. Api 682 seal chamber accommodates a wide variety of seal configurations including dual pressurized and unpressurized cartridge types for the most severe services. The abeyance seal would be demanded only after failure of all mechanical seals. Flow solutions mechanical seal piping plans single seals plans 01, 02, 11, 14, 21, 23, 31, 32, 41 dual seals plans 52, 53a, 53b, 53c. The pump also can be supplied in special materials, including stainless steel.
Flowserve application engineering for recommendations to avoid seal performance. Flowserve flow solutions divisions mission is to be the worlds. Flowserve solutions to keep you flowing flowserve is one of the worlds leading providers of fluid motion and control products and services. Improves mechanical seal performance and reliability permits use of less expensive seal and. The result of years of research, thousands of hours of rigorous testing and decades of primary pump application experience, the flowserve n seal represents the nuclear industrys most advanced mechanical seal technology. In addition to its extensive seal portfolio, flowserve offers highquality pumps, valves and actuation for the worlds toughest applications. Hovamechanical seal spare parts with long durability do ensure to improve service life. Using information gathered in step 2, locate seal by shaft size, seal type, working length, seat style and dimensions and material code. Mechanical seals are often not viewed as a high priority in most plant. Mechanical seals for mixers and specialty equipment. With a lower k value, the safety against thermal overload will increase, but the mechanical seal may also lift off more easily. And, the amount of solids entering the bore is minimized. Huebner has been involved with the design and application of centrifugal pumps, mechanical seals, and fluid handling equipment for over 30 years. Specific order requirements may specify that the seal be shipped separately, or none be supplied.
Mechanical seals single spring gives superior axial and angular flexibility. This thin fluid film provides lubrication and hydrostatic load support to help control the tribological interaction and contact pressure between the faces. Flowserve provides unmatched mechanical, hydraulic and materials knowhow and the industrys most complet e flow management portfolio. The flowserve n seal is a hydrodynamic end face mechanical seal that is designed and tested for use in rcps. The mechanical seal design and sealing support system must provide excellent performance in each application, positively contributing to total operational reliability.
Flowserve bpo installation instructions manual pdf. Mechanical seals operate with a thin fluid film between the seal faces. These single spring mechanical seals have been designed to service the european pump market and are. Flowserve offers split seals for applications where downtime and equipment disassembly are critical. This isc seal is a cartridge mounted mechanical seal, designed for ease. A guide to flowserve pumps the purpose of this publication is to provide a brief summary of the hundreds of pumps that comprise the flowserve product line. Tube or piping connecting the mechanical seal to the heat exchanger should be selected to produce minimal resistance to barrier flow. Type page din compliance din seat only standard seat optional seat note sectional view o. Improves mechanical seal performance and reliability permits use of less expensive seal and flush plan technology improves pump reliability vaalar award winning design choice of power ends standard mark 3a power end with double lip oil seals and top ventbreather ansi. Flowserve sanmar limited or his authorized dealer distributor, to. Running the pump at zero flow or below the recommended minimum flow continuously will cause the shaft, packing or mechanical seal to run hot and fail within. With more than 300 bowl and impeller medium and high capacity designs, flowserve provides unsurpassed hydraulic coverage, with specific speeds from 1500 to 5500, to ensure the best pump selection for a wide variety of services. Flowserve is the driving force in the global industrial pump marketplace.
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