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Supplier: John Crane, Inc.
Description: reacts instantaneously and automatically to maintain a safe face gap despite sudden changes in operating conditions. A stable seal face gap, typically 0.0001" to 0.0002"/0.0025mm to 0.0051mm, is the result of specially designed rotating grooves, which pump steam radially inward into a
- Alternate Shaft or Rubbing Speed: 400 ft/min
- Mechanical Seal Type: Single Mechanical Seal
- Operating Pressure: 400 psi
- Operating Temperature: 40 to 500 F
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Supplier: Schutte & Koerting
Description: -friction operation. Venturi seats can be provided in high-pressure applications, reducing space requirements and allowing use of smaller operators. Valves may be specified with welded ends or ANSI flange connections for direct connection to steam turbines. Applications Steam
- Actuation: Manual / Hand, Mechanical Device
- Pressure Rating: 150 to 1500 psi
- Valve Type: Shut Off Valves, Control Valves
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Supplier: UL Standards & Engagement
Description: covered under IEEE C50.12, IEEE Standard for Salient-Pole 50 Hz and 60 Hz Synchronous Generators and Generator/Motors for Hydraulic Turbine Applications Rated 5 MVA and Above; IEEE C50.13, IEEE Standard for Cylindrical-Rotor 50 Hz and 60 Hz Synchronous Generators Rated 10 MVA and Above; or
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Supplier: Howden
Description: . Precise flow control: The use of a variable speed electric drive or steam turbine allows easy adjustment of capacity to meet process needs. Simple operation: Easy start-up even under process pressure. Easy installation: Simple, compact skid-mounted package with
- Applications: Gas Boosting, Gas Generation / PSA, Oil Refining / Chemical Processing, Oil / Vapor Recovery, Process Gas Feeding / Injection
- Compressor Technology: Centrifugal
- Discharge / Operating Pressure: 2901 psi
- Gases: Ammonia, Corrosive / Sour Gas, Carbon Dioxide (CO2), Hydrocarbon Gas, Natural Gas / Methane, Nitrogen (N2)
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More Information Top
Indicates content that may require registration and/or purchase.
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Proceedings of the ASLE 1985 annual meeting (technical preprints)
Topics include: Computerized lubricant interchangeability programs; Toxicity of lubricating oils; Triaryl phosphates as fire-resistant lubricants in steam turbines ; Mechanical seals in steam turbines; Engine lubrication; and Thermohydrodynamic analyses of journal bearings.
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Challenges of Power Engineering and Environment
Even the standard steam turbine is used, the mechanical seals are used at the both ends of the rotor shaft to avoid any leakage of iso-pentane.
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Advances in Material Science, Mechanical Engineering and Manufacturing
Keywords: Mechanical Seals , Carbon Graphite, Steam Turbine , Non-Contacting Seal.
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Process Equipment Malfunctions: Techniques to Identify and Correct Plant Problems > Vacuum Systems and Steam Jets
• To extract air that leaks through the mechanical seals on shafts in condensing steam turbines .
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NRC review of Electric Power Research Institute`s advanced light water reactor utility requirements document. Passive plant designs, chapters 2-13, project num...
… 2 Performance Requirements The following i s a summary of the major performance requirements for the BWR and PWR gaseous radioactive waste processing systems (GRWPSs) and other BWR systems ( turbine gland seal steam off-gas system and mechanical vacuum pump off-gas …
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3. Recent Developments in Oil Tanker Equipment (Great Britain)
A considerable number of tankers now in build- ing are being fitted with mechanical seals from the start, including tankers with steam turbine driven vertical pumps.
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HEAVY WATER ORGANIC COOLED REACTOR. Quarterly Technical Progress Report, July--September 1965.
The main coolant circulating pumps are horizontal centrifugal units equipped with single-stage impellers and mechanical seals , and are driven by con- densing auxiliary steam turbines .
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Carbon in engineering
Among the many uses for these carbon grades, we have mechanical applications such as gland rings for steam turbines , sealing rings for rotary pumps, clutch withdrawal rings, carbon plates and bricks for glass- making, etc.
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Journal of Propulsion and Power > Analysis of Magnetohydrodynamic Generator Power Generation
3Li, D., and Merkle, C. L., “CFD Analysis of Leakage Characteristics of Labyrinth Seals in a Steam Turbine ,” American Society of Mechanical Engineers, Fluids Engineering Div.
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Transformer failure and common-mode loss of instrument power at Nine Mile Point Unit 2 on August 13, 1991
They considered starting the auxiliary boiler for turbine steam seals , began making preparations to start the condenser mechanical vacuum pumps, and shut down the steam jet air ejector to maintain condenser vacuum.