Gas Chromatography – Mass Spectrometry (GC MS)

The mass spectrometer analyzer operates at a high vacuum to facilitate the ions traveling through the analyzer. High vacuum is achieved by use of a fore pump and a turbomolecular pump. For typical conditions (capillary column, 1-2 mL/min flow rate, and an internal diameter of 250-320 µm) the turbomolecular pump can handle the gas flow out of ...

Mixing and blending technology - SPX FLOW

high-shear mixing option Standard sizes/ capacity Available with different mixer heads and tank sizes of: 250, 500, 1,000, 2,000 and 3,000 l (65, 130, 260, 530, 800 U.S. g) Temperature profile/ range-10 - 110°C (14 - 22 PSI) Pressure 0 - 0.5 bar Mixing of liquid/liquid, liquid/powder and liquid/particulates Flex-Mix …

Fundamentals of Vacuum Technology

1 Preface Oerlikon Leybold Vacuum, a member of the globally active industrial Oerlikon Group of companies has developed into the world market leader in the area of vacuum technology.

Transformers: Basics, Maintenance, and Diagnostics

Transformers: Basics, Maintenance, and Diagnostics vii Contents (continued) Page 4. Oil-Filled Transformer Inspections (continued) 4.3 Winding Temperature Thermometers.....

Improving Fan System Performance

high pressures. They are frequently used in "dirty" airstreams (high moisture and particulate content), in material handling applications, and in systems at higher temperatures. Section 1: Introduction to Fan Systems 1 For the purposes of this sourcebook, the term "fan" will be used for all air-moving machines other than compressors.

C.11Emission Rate Calculations - US EPA

Further calculations of water volume in the gas involved calculation of the dry fraction or percentage of water in the gas stream. To make this calculation, the water vapor fraction when the gas is saturated with water vapor is needed. This value is determined using saturation tables and for 152 degrees F, the saturated fraction is 0.267 or 26.7%.

Automation Technologies Online |

Portable hydrogen (H2) gas detector draws the gas sample by a micro pump, with high accuracy and reliability, measurement ranging from 0 to 500ppm, 1000ppm, 2000ppm, 5000ppm or high concentration range 0- VOL for your choice. Real-time LCD display, audible, visual & vibrating alarm, durable and compact design, easy to carry and operate.


A centrifugal pump is not recommended, because as the oil viscosity increases, the efficiency of the pump drops sharply and the horsepower required increases. Light fuels are best pumped with centrifugal or turbine pumps. When higher pressures are required, piston or diaphragm pumps should be used. Storage Temperature and Pumping Temperature

Oil for Vacuum Pumps

Jan 14, 2015· In the world of mechanical oil sealed rotary vacuum pumps there is a need for a variety of oils and fluids to suit the specific type of pump, its duty and the process it is used on. This discussion covers high vacuum pumps only, such as are used in the heat treating and vacuum furnace industry. These same vacuum pumps are used in many other industrial and scientific applications and have to ...

Basic PECVD Plasma Processes (SiH based)

GAS FLOW (N2O/SIH4 RATIO) - (High rate process) 0 50 100 150 200 250 300 350 400 450 15 25 35 45 55 65 75 85 ... GAS FLOW (N20/SIH4 RATIO) 1.455 1.46 1.465 1.47 1.475 1.48 1.485 1.49 1.495 15 25 35 45 55 65 75 85 ... if seen as silica dust in showerhead pattern on wafers then

Zinc-Rich Primers in High Heat

ing the high-temperature applications and the total thickness of the zinc film. The use of untopcoated inorganic zinc in areas of high or low pH can cause premature failure. Therefore, the use of zinc should be limited to envi-ronments with a pH between 6 and 10. Outside of these parameters, zinc will fail rapidly. Excessive film build can ...

Gas Filters - Peerless - CECO Environmental

Each CECO Peerless brand industrial Gas Filter is designed for high efficiency and economical removal of dust, dirt, scale, rust and other solid foreign particles from different types of gas streams. With custom designs in both vertical and horizontal configurations, our filters are manufactured with premium quality materials ensuring a long life system and low overall costs.

Calcium Chloride - Occidental Petroleum

the temperature of the mixture will rise to the limit defined by the phase diagram. Crystallization points of commercial calcium chloride brines will differ slightly from those of pure calcium chloride. Figure 1: Phase Diagram for CaCl 2-Water System

Fundamentals of Venting and Ventilation

system will operate. They are: 1. flue-gas temperature 2. heat loss in the vent 3. vent height 4. vent system capacity 5. restrictions to flow and 6. the ambient temperature. Flue-Gas Temperature Flue-gas temperature affects vent operation because the hotter the gases are, the lighter they are. The design BTUH (British Thermal Units per Hour ...

Oxygen And Acetylene Use And Safety - ia

• Needs only 10% mix of oxygen to ignite. • It is an unstable gas, will violently decompose when in a pure state above 15 psi. What Is Acetylene? •Auto-ignition temperature is 763o - 824o F. This means if acetylene reaches 30 psi in a free state, it can explode by itself without a spark or flame being present.

High SEER: Wall Mounted - Halcyon™ SINGLE-ROOM MINI-SPLIT ...

Systems 9RLFW1, 12RLFW1 - ENERGY STAR ® Qualified. Stylish, slim and elegant, these popular wall mounted units are designed for single rooms. Indoor units have a clean, aesthetic design and are small but mighty and shorter in length than competing units, helping them blend into any room. 9RLFW1 and 12RLFW1 are Energy Star qualified heat pumps, meaning they save you money on your utility bill ...

An Introduction to Vacuum Pumps - Vacaero

Jan 13, 2016· The ratio of the exhaust pressure (outlet) to the lowest pressure obtained (inlet) is referred to as the compression ratio. Kinetic transfer pumps work on the principle of momentum transfer, directing gas towards the pump outlet to provide increased probability of a molecule moving towards the outlet using high-speed blades or introduced vapor.

Refrigeration system: problems, causes and solutions ...

Jun 15, 2018· The temperature of the condensing refrigerant gas rises as the coolant or ambient air temperature rises. This cause the condensing pressure to rise and a high-pressure trip. Air in the refrigeration system prevents the condenser to operate at its full capacity and partly insulate the condenser. This symptom would cause the superheat temperature ...

Scrubber Basics - Engineering ToolBox

t 2 = final dry bulb temperature (o C) t w = initial wet bulb temperature (o C) Scrubber Efficiencies. Typical nozzle scrubber efficiencies. 60-70 % with one bank of nozzles downstream; 65-75 % with one bank of nozzles upstream; 85-100 % with two banks of nozzles; Note! Be aware that low temperature scrubbers can be a potential source for the ...

Volume 4, Issue 1 January, 2005 Pumping Up Your Applications

• For capture pumps, during regen, stuff is present in high concentration near the pump's absorbate. If a reaction occurs, the pump's capacity for light gases is shot. • A transfer pump's exhaust contains stuff that went in the inlet. Depending on the stuff's nature, the pump's exhaust gas may need: high dilution; venting from room/building; or

Explosion Proof Motor Classifications by Hazardous Locations

Jun 25, 2017· as zones, equipment groups, gas groups, dust groups and temperature classes. The following is a definition of each. Zones – Broken into gas and dust groups. Zones 0, 1, and 2 relate to gas, and zones 20, 21, and 22 relate to dust. Zone 0 – A place in which explosive atmosphere consisting of a mixture with air of

Chapter 3: Review of Basic Vacuum Calculations

3. Temperature: The temperature of a gas is a function of its kinetic energy, that is, how vigorously the gas atoms are vibrating. Temperature must be specified in terms of an absolute temperature scale. We will use the kelvin scale (K=°C + 273). 4. Amount: The number of gas atoms in a volume (can be in terms of atoms or moles).

Sharpe Mixers | Hayward Gordon

Sharpe Mixers was founded in 1953 and was acquired by Hayward Gordon in December 2014 for its extensive experience, industry knowledge, and wide range of mixer designs. The Hayward Gordon Group – Hayward Gordon, Sharpe Mixers, and Scott Turbon Mixers - never stop working for you. Dedicated sales professionals diligently strive to expand the market, while technical experts constantly develop ...

Gas scrubbing - general | EMIS

The liquid-gas ratio (L/G) in a scrubber is the relationship between the scrubbing liquid flow rate and the gas stream flow rate. For dimensioning purposes, and to evaluate the workings of a scrubber, it is important to know how much liquid is required per m³ to realise the required residual emission.

Sensidyne Gas Detection and Gas Detectors | Sensidyne

Sensidyne Gas Detection and Gas Detectors - Sensidyne is the Leader in Air Sampling Pumps and Equipment, Gas Detection, and Sound and Vibration Measurement. Contact Us 800-451-9444 / …

Process Engineering | Pumping Temperature Considerations ...

Jun 19, 2006· Fluid Handling / Energy Efficiency Pumping Temperature Considerations "Bad actor" pumps are those pumps that have trouble with frequent and repetitive failures. In many cases, the source of the problem is an ANSI pump trying valiantly to handle a liquid well beyond the range of its design rating.of 300 degs. F.

Industrial Hygiene Air Sampling 101 (Basic)

All the high concentrations and low . concentrations are averaged with respect . to time. ... device such as a pump to draw the air/contaminant mixture into or through the sampling device such as a sorbent tube, filter, impinger, or sample ... • A substance is considered a GAS if this is its normal physical state at room temp (25. o. C or 77 ...

SPX FLOW | Global Industrial Equipment & Global Manufacturing

SPX FLOW, Inc. is a leading manufacturer of innovative technologies, supplying highly specialized, engineered solutions for a range of industries, primarily in the …

Venturi scrubber | EMIS

The dust/gas mix flows through the venturi tube and reaches top speed in the throat section. Thereafter, the mixture passes into the diffuser where the speed drops again. Liquid is added to the gas flow either in the throat section or prior to it. Intensive mixing takes place between the gas and the liquid in the throat section of the venture tube.

Typical Flame Temperature for Different Fuels

Dec 07, 2019· This is a list of flame temperatures for various common fuels. Adiabatic flame temperatures for common gases are provided for air and oxygen. (For these values, the initial temperature of air, gas, and oxygen is 20 °C.) MAPP is a mixture of gases, chiefly methyl acetylene, and propadiene with other hydrocarbons.You'll get the most bang for your buck, relatively speaking, …