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Archives :: Processing & Handling :: Liquid, Gas and Air Handling

Displaying 101 - 120 of 746 stories.
March 1, 2012
Cut, bevel and weld pipe — with a single machine
The Axxair range of pipe cutting, beveling and welding machines has been added to this company’s range of products. By simply exchanging...
http://www.che.com/processing_and_handling/liquid_gas_and_air_handling/piping_and_tubing/Cut-bevel-and-weld-pipe-with-a-single-machine_9056.html
March 1, 2012
This swivel joint is made for toxic fluids
The Endura Series Dual Split Flange (DSF) swivel joint is specially designed to transfer acids, solvents, petrochemicals and other toxic fluids. The combination of the DSF swivel technology with user-friendly...
http://www.che.com/processing_and_handling/liquid_gas_and_air_handling/piping_and_tubing/This-swivel-joint-is-made-for-toxic-fluids_9062.html
March 1, 2012
Focus on Valves
Metso Fugitive emissions are minimized with this control valve The Neles Finetrol rotary control valve (photo) can achieve ISO 15848-1 class BH fugitive-emission-type approval certification in the most demanding endurance class (CH-3; 100,000 mechanical cycles). The new design reduces health and safety risks, says the manufacturer, because leakage from gland packing can cause serious damage to personnel...
http://www.che.com/processing_and_handling/liquid_gas_and_air_handling/valves/Focus-on-Valves_9032.html
March 1, 2012
This ball valve has a one-piece cast body
KTM Unibody EB700 ball valves have a one piece, cast body to minimize potential leak paths and improve safety compared to split-body designs. The EB700 series has a rugged design with a seat made...
http://www.che.com/processing_and_handling/liquid_gas_and_air_handling/valves/This-ball-valve-has-a-one-piece-cast-body_9043.html
March 1, 2012
Sample corrosive or toxic process fluids with this device
The LSS-30-PP is a sampling system designed to allow sampling of hazardous process fluids without personnel contact. The LSS-30-PP is similar in design to the LSS-140-ST from this company, but has a smaller sample cylinder (300 mL), and has wetted parts constructed from polypropylene for...
http://www.che.com/processing_and_handling/liquid_gas_and_air_handling/valves/Sample-corrosive-or-toxic-process-fluids-with-this-device_9046.html
February 1, 2012
Choosing Oil-injected Screw Compressors
  Screw compressors are widely used throughout the chemical process industries (CPI) and represent a substantial percentage of all positive-displacement compressors that are now sold and in operation in CPI facilities. In general, screw compressors are efficient, reliable, simple and compact compressors that are competitive from both an initial cost and an operating cost standpoint compared to other...
http://www.che.com/processing_and_handling/liquid_gas_and_air_handling/compressors/Choosing-Oil-injected-Screw-Compressors_8954.html
February 1, 2012
February Letters: Solutions for high-purity piping code
Solutions for high-purity piping code You ran a most illuminating article based on the new ASME code (July 2011, New Piping Code for High-Purity Processes, pp. 49–53), and I have been examining the welding industry’s response to the new challenges. Recent years have witnessed an exponentially increasing demand for improvements in piping fabrication quality. The introduction of a new ASME piping...
http://www.che.com/processing_and_handling/liquid_gas_and_air_handling/piping_and_tubing/February-Letters-Solutions-for-high-purity-piping-code_8951.html
February 1, 2012
This metering pump now has a head made of PVC
The ecosmart metering pump is now available with a PVC pump head. That means the ecosmart can even be used in applications that require good resistance against highly aggressive chemicals — including...
http://www.che.com/processing_and_handling/liquid_gas_and_air_handling/pumps/This-metering-pump-now-has-a-head-made-of-PVC_8963.html
February 1, 2012
A turnkey and ready-to-use metering solution
DosaSkid is a “plug-and-play” metering device that can be used for a wide variety of applications, including desalination, boiler-water treatment, industrial water treatment, petroleum refining...
http://www.che.com/processing_and_handling/liquid_gas_and_air_handling/pumps/A-turnkey-and-ready-to-use-metering-solution_8966.html
February 1, 2012
This little pump handles fluids containing abrasive particles
Pumping fluids that contain abrasive particles, such as those found in inks and paints can have a detrimental effect on pump performance, with erosion being a key factor in reducing pump life. To meet these challenges, this company has...
http://www.che.com/processing_and_handling/liquid_gas_and_air_handling/pumps/This-little-pump-handles-fluids-containing-abrasive-particles_8974.html
February 1, 2012
A locknut for severe weather, vibrations and other extremes
This all-metal, free-running, self-energizing reusable locknut is manufactured in stainless steel (303, A286 or 90) and 95% Ni stainless-steel alloy and is suitable for protecting and preserving bolts, studs and...
http://www.che.com/processing_and_handling/liquid_gas_and_air_handling/seals_gaskets_and_packing_materials/A-locknut-for-severe-weather-vibrations-and-other-extremes_8985.html
February 1, 2012
Vessel Sizing and Level Instrumentation
Level measurement and control in process vessels can be one of the most challenging applications in which to obtain consistently safe and reliable results. Part of this difficulty may be due to the fact that the sizing of the vessel and selection and installation of the level instruments are frequently performed by different people at different times, rather than evaluated holistically as a system. Level...
http://www.che.com/processing_and_handling/liquid_gas_and_air_handling/tanks_and_vessels/Vessel-Sizing-and-Level-Instrumentation_8947.html
February 1, 2012
These mixing and melting kettles are rated for full vacuum
Mixing and melting kettles from this company are rated for full vacuum and for temperatures of 250˚F. The 185-gal, hemispherical vessels are jacketed for 15-psi steam. A submerged steam calandria is also...
http://www.che.com/processing_and_handling/liquid_gas_and_air_handling/tanks_and_vessels/These-mixing-and-melting-kettles-are-rated-for-full-vacuum_8989.html
February 1, 2012
Longterm stability ensured with this new check valve
This company’s new generation of check valves features a hydrodynamically optimized valve cone, which minimizes the pressure loss while increasing flow by 25% compared to the previous generation. It is practically impossible for the valve cone to jam anymore since...
http://www.che.com/processing_and_handling/liquid_gas_and_air_handling/valves/Longterm-stability-ensured-with-this-new-check-valve_8965.html
February 1, 2012
Fugitive emissions are minimized with this control valve
The Neles Finetrol rotary control valve can achieve certification approval for ISO 15848-1 class BH fugitive emissions in the most demanding endurance class CH-3 (100,000 mechanical cycles). The new design reduces health...
http://www.che.com/processing_and_handling/liquid_gas_and_air_handling/valves/Fugitive-emissions-are-minimized-with-this-control-valve_8980.html
February 1, 2012
Safely transfer potent materials with this transfer valve
The Bio aseptic transfer valve is said to set new standards for the safe and clean transfer of sensitive product from process to process. The Bio overcomes issues with traditional methods of transfer where there is a brief time period prior to docking the device...
http://www.che.com/processing_and_handling/liquid_gas_and_air_handling/valves/Safely-transfer-potent-materials-with-this-transfer-valve_8990.html
January 1, 2012
Lubricating Rotating Machinery
      Lubricants in rotating machines reduce friction and wear, dissipate heat, protect surfaces, keep out foreign contaminants and remove wear particles. Commonly used liquid lubricants fall into two main categories: mineral (petroleum-based) oils and synthetic oils. Mineral oils are produced by refining crude petroleum. They usually contain trace amounts of some unwanted substances. By...
http://www.che.com/processing_and_handling/liquid_gas_and_air_handling/compressors/Lubricating-Rotating-Machinery_8840.html
January 1, 2012
Blowers that are supplied ready for operation
The EB 291 C and EB 421 C turn-key rotary blowers are supplied connection-ready with integrated mains power supply equipment and monitoring. With drive powers from 18 to 75 kW, they cover...
http://www.che.com/processing_and_handling/liquid_gas_and_air_handling/compressors/Blowers-that-are-supplied-ready-for-operation_8857.html
January 1, 2012
This laboratory vacuum pump is controlled wirelessly
The SC950 wireless vacuum pump system combines fast and precise vacuum regulation with a flowrate of up to 50 L/min, with the benefit of total remote control. A wireless...
http://www.che.com/processing_and_handling/liquid_gas_and_air_handling/pumps/This-laboratory-vacuum-pump-is-controlled-wirelessly_8854.html
January 1, 2012
Avoiding Pressure Relief Problems
Pressure relief valves and rupture disks are critical safety devices for protecting personnel and processing equipment from overpressurization situations. Presented here are several engineering practices that can help to identify and address common problems with the pressure relief systems of chemical process industries (CPI) facilities. Common causes of overpressurization Overpressure situations can have...
http://www.che.com/processing_and_handling/liquid_gas_and_air_handling/tanks_and_vessels/Avoiding-Pressure-Relief-Problems_8842.html
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