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

Displaying 81 - 100 of 822 stories.
May 1, 2013
The Hydro-Cell Metering Solutions line is comprised of six metering pumps ranging in capacity from 0.32 to 894.6 gal/h (1.21 to 3,386.4 L/h), with pressure ratings from 50 to 2,599 psi (3.4–172 bars). These pumps use variable frequency-drive...
http://www.chemengonline.com/processing_and_handling/liquid_gas_and_air_handling/pumps/Metering-pumps-that-exceed-API-675-performance-standards_10486.html
May 1, 2013
Since 1962, this company has been manufacturing horizontal and vertical centrifugal pumps to handle corrosive and abrasive fluids. The pumps are made of various thermoplastics (PP, PVDF, PE-UHMW, PFA, PTFE) or stainless steel...
http://www.chemengonline.com/processing_and_handling/liquid_gas_and_air_handling/pumps/Plastic-makes-these-centrifugal-pumps-resist-corrosives_10490.html
May 1, 2013
At AchemAsia, this company launched the new extrex EA, a localized extrusion pump suitable for most extrusion applications, delivering a differential pressure of up to 200 bars. The pumps are assembled in the company’s new facility in Shanghai...
http://www.chemengonline.com/processing_and_handling/liquid_gas_and_air_handling/pumps/A-selection-of-pumps-for-handling-viscous-fluids_10493.html
May 1, 2013
Minimizing process variability is an important component of a plant’s profitability. The performance of control valves within process control loops has a significant impact on maintaining consistent processes. This refresher outlines some of the important aspects of control-valve performance, including parameters of both the static response and the dynamic response. Static response A valve’s...
http://www.chemengonline.com/processing_and_handling/liquid_gas_and_air_handling/valves/Control-Valve-Performance_10469.html
May 1, 2013
For 40 years, this company has developed and manufactured bellows-sealed globe valves (photo) for hazardous applications in the chemical, petrochemical and nuclear industries. The...
http://www.chemengonline.com/processing_and_handling/liquid_gas_and_air_handling/valves/Bellows-sealed-valves-for-really-hazardous-chemicals_10492.html
May 1, 2013
The EasiDrive portable valve actuator effortlessly opens and closes valves in petroleum refineries, power plants, paper mills and chemical processing plants. Generating a torque of up to 2,000 Nm, this tool enables a...
http://www.chemengonline.com/processing_and_handling/liquid_gas_and_air_handling/valves/A-power-tool-for-opening-and-closing-valves_10494.html
May 1, 2013
Silverson Machines A laboratory mixer that supplies data for scaleup The L5 Series laboratory mixers are suitable for R&D, quality analysis and standard laboratory work. The mixers have a capacity range from 1 mL up to 12 L, and are able to mix inline with flowrates up to 20 L/min. Each machine is constructed with wetted parts in grade 316L stainless steel. The L5M-A laboratory mixer features...
http://www.chemengonline.com/processing_and_handling/liquid_gas_and_air_handling/mixing/Focus-on-Mixing_10461.html
April 1, 2013
Avoid pipe corrosion with this spacer Trelleborg Group Flexspacer has been developed to effectively create an air gap between topside pipelines and thermal insulation, thereby avoiding the corrosion that can occur when using traditional insulation systems such as mineral wool. By stopping direct contact between the insulation and the pipe, Flexspacer prevents any damage to the corrosion protection on the...
http://www.chemengonline.com/processing_and_handling/liquid_gas_and_air_handling/seals_gaskets_and_packing_materials/Focus-on-Seals-and-Gaskets_10381.html
April 1, 2013
Promation Engineering Designed for use on rising-stem globe control valves, the PL Series actuators (photo) provide up to 4,400 lb of force and up to 3.9 in. of travel. This increased up-and-down force, the company says...
http://www.chemengonline.com/processing_and_handling/liquid_gas_and_air_handling/valves/These-actuators-are-designed-for-large-pressures_10385.html
April 1, 2013
What if someone were to tell you that there is one method available for sizing relief valves that applies to virtually every situation, including two-phase flow and supercritical fluids? And what if they told you that method is more accurate and easier to use than traditional methods or formulas? As it turns out, both of these statements are true. The approach described here — the Direct Integration...
http://www.chemengonline.com/processing_and_handling/liquid_gas_and_air_handling/valves/The-Direct-Integration-Method-A-Best-Practice-for-Relief-Valve-Sizing_10394.html
March 1, 2013
To realize the best possible thermal efficiency, gas turbines should be integrated into chemical process industries (CPI) plants, but doing so can be difficult and requires special consideration. Specifically, in some CPI units, while the turbine’s shaft is driving an equipment component (such as a compressor), the hot exhaust gas from the gas turbine can be connected to furnace burners or...
http://www.chemengonline.com/processing_and_handling/liquid_gas_and_air_handling/compressors/Integrating-Gas-Turbines-Into-CPI-Facilities_10295.html
March 1, 2013
Coolant circuits must dissipate heat from applications such as welding or power-electronics installations. This requires high flowrates within a compact space. This company...
http://www.chemengonline.com/processing_and_handling/liquid_gas_and_air_handling/piping_and_tubing/New-coolant-connections-for-high-flowrate-applications_10283.html
March 1, 2013
Dickow Pump No cooling water needed for these hot-water pumps This company offers a wide range of hot-water pumps for temperatures up to 530°F and design pressures up to 1,160 psi. Due to high vapor pressures, standard mechanical seals cannot be used for higher temperatures. Although cooled mechanical seals are the easiest solution, the required cooling water adds additional costs. An alternative is a...
http://www.chemengonline.com/processing_and_handling/liquid_gas_and_air_handling/pumps/Focus-on-Pumps_10286.html
March 1, 2013
The CS10 Clean Steam Separator with enhanced surface finish has been engineered to overcome problems associated with wet steam and ensures the correct quality of steam is supplied to the point of use...
http://www.chemengonline.com/processing_and_handling/liquid_gas_and_air_handling/steam_traps/A-clean-steam-separator-for-pristene-processing_10274.html
March 1, 2013
  The 2040 digital position indicator uses a colored light signal, visible from a distance, to show the open or closed position of a valve. Four different color signals are used: open and closed by...
http://www.chemengonline.com/processing_and_handling/liquid_gas_and_air_handling/valves/Valve-position-indicators-that-tell-more-than-just-on-or-off_10266.html
March 1, 2013
Introduced last month, these two intrinsically safe solenoid valves (photo) have Ex ia IIC T6 certification. The solenoid operators are designed for use on the 327 range of direct-operated solenoid...
http://www.chemengonline.com/processing_and_handling/liquid_gas_and_air_handling/valves/Direct-acting-solenoid-valves-for-use-in-harsh-environments_10273.html
March 1, 2013
The Type 3738 electonic valve-position monitor can be used with on/off valves across a wide range of applications, and enables valve-position monitors to be configured at the push...
http://www.chemengonline.com/processing_and_handling/liquid_gas_and_air_handling/valves/Configure-this-valve-position-monitor-with-the-push-of-a-button_10290.html
March 1, 2013
A new agitator-blade design for this company’s Double Planetary Mixer features two identical rectangular stirrers with upward rake fingers. Designed...
http://www.chemengonline.com/processing_and_handling/liquid_gas_and_air_handling/mixing/A-mixer-equipped-with-special-finger-blades_10277.html
March 1, 2013
The NXT+ (photo) is a new alarm module that monitors the gas pressures at the inlets of the gas mixer and in the mixing gas vessel to ensure a constant process quality. These...
http://www.chemengonline.com/processing_and_handling/liquid_gas_and_air_handling/mixing/A-new-alarm-module-for-gas-mixers_10284.html
February 1, 2013
Tygon S3 (safe, smart and sustainable) is said to be the first bio-based and phthalate-free tubing, and is the next generation of flexible tubing from this company for food and beverage...
http://www.chemengonline.com/processing_and_handling/liquid_gas_and_air_handling/piping_and_tubing/Phthalate-free-tubing-for-food-and-beverage-applications_10154.html
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