Centrifugal pump seals, mechanical seal installation tutorial by kevin ging duration. After a storage period described in fis222, flowserve mechanical seal and seal support. Piping plans help keep mechanical seals running cool and clean, promote safe handling of dangerous fluids, and extend the operational availability of rotating equipment. Cartridge dual pusher seal for standard and big bore ansi pumps. The service life of the mechanical seal increases considerably. View and download flowserve allpac 4 series user instructions online. Consequently the dry operation of the mechanical seal can be excluded. Allpac n series, centipac 1 series, cro series, d series, dht series, europac 306 series, fro series, europac 6 series, gsl series.
Flowserve delivers axial mechanical seals arranged in the following configurations. Submersible motors pumps byron jackson design pleuger. Huebner is a principle engineer at flowserve corporation in deer park, texas. Isc2 seals meet all major international standards and are designed for hundreds. For double mechanical seals backtoback en specifies the short type only. The seal ring which rotates with the shaft is called the rotary ring. The flowserve isc2 series is a complete family of mechanical seals that provide exceptional reliability and standardization over the widest variety of industrial applications and equipment. Single spring and elastomer bellows mechanical seals.
Mechanical seal technology and selection eagleburgmann. The rotary unit is set screwed to the shaft, for positive drive. Vertical sump pump iso 709api 610 vs4 experience in motion. Mechanical seals elastomer bellows sealing operation flowserve elastomeric bellows seals are of compact design with a sealing action that provides many benefits. View and download flowserve durametallic p200 installation instructions manual online.
Standard labyrinth type oil seals retain oil and exclude atmospheric contaminants and moisture. Other flowserve products pumps pumping systems from flowserve meet customer demands in the most. This video was made using our mechanical seal basics training software which covers a large range of seal types like pusher seals, nonpusher seals, cartridge seals, split seals, double seals. As mechanical seals can be used to seal a myriad of different products on an equally vast array of equipment, we will be primarily focusing on the use of mechanical seals on rotating shaft pumps. Most bonnet designs, including bolted, seal weld, union, and bonnetless type check valves are manufactured to meet a wide variety of service applications. Fluid seal division dura seal selection guide introduction this dura seal selection guide is a general service guide intended to assist in the selection of materials of construction for the dura seal line of endfaced rotary equipment shaft seals manufactured by flowserve fluid sealing division.
Mechanical seal working animation types of mechanical seal duration. Pacseal type 8 and 9 seals pumps seals valves process. The type 31 hardfaced seal is a heavy duty seal for your most demanding applications. The advanced modular design reduces the number of parts whilst maximising interchangeability. Description this p50 seal is a cartridge mounted mechanical seal, designed for ease of installation and reliable operation. No other pump company in the world has the depth or breadth. Single seal types 18 cartridge seal types 19 tandem seal types 19 double seal types 20 external seal types 20 packed gland seal types 20 15 spare parts ordering of spares 21. Sihisupernova zhnd 032160 flowserve sihi pumps pdf. Gw seals originating from the flowserve gw gas seal used in sundyne lmc inline compressors, the flowserve gw liquid seals are traditional, flatfaced, hydraulically balanced, odpressurized, stationary multispring pusher end face mechanical seals run against a hard carbide rotor. The bellows high strength and flexibility is the key to the very reliable performance of this type of seal as it readily accommodates misalignment, endfloat and seal face wear. Turbopac mechanical seals for compressors flowserve. Hexagonal torque drive reduces elastomer stress by distributing torque forces over the greatest possible area. Flowserve offers a full complement of both vertical and horizontal pumps to maintain adequate distribution system pressures. An inspection by flowserve or its appointed representative is strongly advised.
Failure analysis and troubleshooting mechanical seals and. This arrangement is recommended for relatively clear noncorrosive and corrosive pumping liquids. Step into the flowserve library and explore a collection of brochures, catalogs, user instructions and other resources that represents our companys wideranging expertise in the flow control industry. Mechanical seals according to en 12756 code system for single mechanical seals there is a distinction drawn between standard n and short k types. Optimal selection of impeller diameter and diffuser size for each ensures that the pump closely match the required duty conditions. Type 1 elastomer bellows seals john crane mechanical seals.
Api 610 bb2 between bearings, twostage, radially split. With its proven track record of exceptional performance, the type 1 elastomer bellows seal is widely recognized as the industrys workhorse. Mechanical seal basics and seal selection process training. Totally engineered sealing system for service conditions outside the operating limits of type a, b and c seal. Flowserve provides unmatched mechanical, hydraulic and materials knowhow and the industrys most complet e flow management portfolio. It covers about balanced and unbalanced seal, pusher and nonpusher type of seal. Flowserve has the products, systems and expertise to help processes run smarter, safer and more efficiently.
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. This video is about different types of mechanical seal based on its design. Flowserve pumps are offered for these applications. Catalog and application manual valves flowserve pdf. A programme that comprehends 22 construction sizes and thus guarantees an optimal solution for every operating point. Piston, ball, swing and springcontrolled check valve designs for horizontal or vertical upward flow applications for the most often specified pressure classes are available. It will accommodate variations in a seal cavity length and pump misalignment. These seals are easily modified to accommodate seal flush plans and can be balanced to withstand high seal environment pressures. The crimped head feature prevents solids from entering the head between the shell and the face, which is a cause of premature failure in noncrimped designs. Water treatment these varied and demanding services require a broad array of pump designs and types.
The rotaries feature seal rings which are replaceable. Flowserve nordstrom valves features metal seats for a dependable, long life the sealdport sealant system for a renewable droptight seal and is highly tolerant of debris and the effects of erosion and corrosion smooth, contoured flow passages for unobstructed flow no cavity to collect product or debris the db valves are. In the critical sealing of boiler feed and boiler circulation water, flowserve continues to innovate new technology to optimize and extend performance. The complete cross reference for mechanical face seal replacement how to use this catalogue locate the manufacturer of the equipment. This is by far the most common type of carbon for mechanical seals used in industry today. The type 21 features mechanically crimped components eliminating the use of adhesives. Suitable for a wide range of service conditions ranging from water and steam to chemicals and corrosive materials, the type 1 mechanical seal is ideal for use in pumps, mixers, blenders, agitators, air compressors, blowers, fans and other rotary shaft. Single mechanical seal, including dry running types pressurized double mechanical seal.
Flowserve is without peer in the development and application of pump technology, including. Hpx hydrocarbon processing pump flowserve pdf catalogs. Mechanical seal piping plans flowserve corporation. Material selection for mechanical seals by michael huebner staff engineer flowserve corporation flow solutions division deer park, texas.
This seal may also be used as a double seal when two seals are placed. Consult flowserve s entire hpx hydrocarbon processing pump catalogue on directindustry. In addition to its extensive seal portfolio, flowserve offers highquality pumps, valves and actuation for the worlds toughest applications. 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.
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