Reference Articles 1 - 100 of 114
-
Brooks Instrument Sends its Quantim Flow Controller into Space (.pdf)
Delivering saline solution to a clinic for medical needs ... sounds simple enough, right? Not when that clinic is on the International Space Station, the moon or even Mars. Transporting medical fluids...(read more)
-
Flow Measurement
Measuring chilled water (or condenser water, or hot water) flow in your system can't be that difficult, can it? After all, you just stick some kind of flow measurement device in your pipe and read its...(read more)
-
Measuring Air Flow
Building Automation Systems are often required to measure the actual air flow in air handling systems. Although there are many ways to measure air flow, the two most commonly used with BAS systems are...(read more)
-
The pH Factor: Why Measure (.pdf)
Often, the first question asked regarding measurement and control of pH is "What exactly is pH anyhow?" The "p" in pH is actually a mathematical symbol for the negative logarithm, and the "H"...(read more)
-
Balancing A Variable Flow Water System Will Ruin the Control System
Many seminars and technical sessions have been held to outline procedures for balancing variable flow water systems. Most of these sessions recommend "Proportional Balance." When this technique is...(read more)
-
Designing & Commissioning Variable Flow Hydronic Systems (.pdf)
Direct return Variable Flow Hydronic Systems (VFHS) must be designed to be self-balancing. However, in practice many design engineers will use customary pipe sizing routines, piping detail drawings,...(read more)
-
Core Technology Series Part 3: Multivariable Mass Vortex (.pdf)
This white paper, part 3 of Sierra's core technology series, explores the mechanics and science that make up a multivariable vortex meter by showing the evolution from the original idea of a vortex...(read more)
-
Part 2: Ultrasonic -- Advanced Transit-Time Measurement Technology (.pdf)
The Core Technology White Paper Series is a four part series detailing the flow technologies that allow Sierra to offer a flow solution for nearly any gas, liquid and steam application. Part 2 of the...(read more)
-
Better Combustion Airflow Monitoring at the Hunan Yiyang Power Plant
China has experienced tremendous growth in electricity demand over the past two decades. Coal-fired plant construction has exploded in the country to meet its seemingly insatiable appetite for...(read more)
-
Magnetic Inductive Flow Meters (.pdf)
Magnetic inductive flow meters use Faraday's law of inductance to measure flow rates in electrically conductive fluids. Other technologies used to measure flow rate include paddle wheel, vortex and...(read more)
-
Accurate Gas Flow Measurement Improves Water Disinfection Process (.pdf)
Many of today's large urban water treatment plants rely upon sophisticated chlorination processes in order to provide clean, sanitary water to millions of consumers in the US and around the globe. The...(read more)
-
Biogas Thermal Mass Flow Meter Improves Operation of S.P.M. Feed Company's Methane Recovery System (.pdf)
In all biogas recovery systems, measuring the flow rate of methane and other mixed gases is required to ensure effective and efficient operation of the digester process and effective operation of the...(read more)
-
Digester BioGas Flow Measurement (.pdf)
The engineers at a municipal wastewater treatment utility were expanding their biogas digester system and were seeking an improvement over their existing, maintenance-intensive flow metering...(read more)
-
Ozone Gas Flow Monitoring for Water Treatment Systems (.pdf)
Many municipal water treatment plants utilize Ozone Treatment Systems to produce clean water for residential and industrial users. While all the various types of water treatment systems have their...(read more)
-
"Smart" Turbine Meters Improve Flow Sensing Performance In The Aerospace Industry (.pdf)
For research, development and testing applications in the aerospace industry, advanced "smart" turbine flowmeters are providing significantly improved volumetric and mass flow sensing performance. In...(read more)
-
Selection and Calibration of a Turbine Flow Meter (.pdf)
Turbine flow meters have been an effective flow measurement technology for many years. Advancements in other measuring technologies in recent years have provided many options when selecting a meter...(read more)
-
Vortex Plate Brings Innovation and Simplicity to Vortex Flow Measurement (.pdf)
Problem: Traditional Vortex Flow Meters are susceptible to common mode noise, leaking sensor diaphragms, o-ring replacement, leaks into sensor cavity and electronics, and repeatability drift....(read more)
-
Water Accountability - Portable Monitoring Instruments Solve Flow Rate Mystery
With flows exceeding permit limits, the Village of Glen Walter uses Greyline Stingray Level-Velocity Loggers and discovers household sump pump connections to the municipal connection system....(read more)
-
Optimization of Air Flow in the Read/Write Unit of Hard Disk Drives Using Laser-Doppler Vibrometry (.pdf)
Laser vibrometers are proven and reliable tools for dynamic tests on data storage media such as hard disk drives (HDD) or DVD drives. Inside HDDs, the read/write heads are gliding on a kind of air...(read more)
-
Improving Flow Measurement Using PLC Based Flow Computing (.pdf)
This paper explores the use and benefits of embedding hydrocarbon flow computer technology into programmable logic controllers (PLCs) for integrated measurement, control, and communications. Accurate...(read more)
-
Measuring Tube Construction Affects the Long-Term Stability of Magmeters (.pdf)
This paper provides the full results of a German test agency's long term stability test comparing magmeters' plastic lined vs. ceramic flow sensor constructions. Filling machine type magmeters were...(read more)
-
Digital Control of Fluidic Processes (.pdf)
This paper explores the challenges of building an accurate pressure and/or flow controller and explains the benefits of integrating the Microfluidic Process Controller (MPC) from Parker into the...(read more)
-
Top 10 Items to Consider When Selecting a Fluid Systems Supplier for Nuclear Components
Fluid system components in the nuclear facility have impact before and after purchases are completed. Now that Power Plant efficiencies are so critical, when a utility selects a fluid system component...(read more)
-
Case Study: Flanged Vortex Plate Minimizes Costs and Measures Low-Flow (.pdf)
Powertech Solutions, a utility provider in New York City and Philadelphia, uses Nice Instrumentation's Flanged Vortex Plate Flow Meters to measure steam and gases, and saves over $4,200 in...(read more)
-
Flow Research Magazine Special Report: Multi-Variable Vortex Flow Meters (.pdf)
In a "Worldflow Special Report," Flow Research magazine discusses Nice Instrumentation's new line of multi-variable vortex flow meters. This article also notes how a recent American Petroleum...(read more)
-
Measurable Flow Rates for Liquid (.pdf)
These tables chart the measurable flow rates for liquid....(read more)
-
Measurable Flow Rates for Natural Gas and Air (.pdf)
These tables chart the measurable flow rates for natural gas and air....(read more)
-
Measurable Flow Rates for Saturated Steam (.pdf)
These tables chart the measurable flow rate for saturated steam....(read more)
-
Flosonex™ Ultrasonic Vortex Flowmeters
FloSonex vortex flow meters are designed for accurate flow rate measurement of ultra-pure and ultra-aggressive liquids. The flow sensor consists of a solid flow tube and a removable PTFE or PVDF...(read more)
-
Vortex Meter Ups Accuracy of Superheated Steam Meas.
This year marks the 10th anniversary of Flow Control magazine's annual Product Innovation Awards. The Innovation Awards program is designed to recognize industry's most compelling advances in fluid...(read more)
-
Accurate Gas Flow Measurement Improves Water Disinfection Process Efficiency
Turning raw water obtained from various ground or surface water supplies into clean potable water fit for human consumption or industrial purposes requires the removal of contamination sources. Such...(read more)
-
Flow Switches for Oil/Gas Refinery Water Treatment
The water used in the the cooling units, desalter units, and other water from throughout the plant creates a large amount of wastewater with VOC's that must be treated before it is recycled or...(read more)
-
Thermal Mass Flow Meter Improves Refinery Flare Gas Monitoring Accuracy
Releasing combustible vapors and dangerous toxins into the atmosphere can result in emergency plant shutdowns. Such plant closures, which are often mandated by various government agencies, can be...(read more)
-
Wastewater Treatment Digester BioGas Flow Measurement
Digester gas is a mixed composition, consisting of methane, CO2 and trace gases. The amount of biogas flowing is a critical process parameter in order to prevent an excessive build-up of gas in the...(read more)
-
Flow Conditioning Improves Flow Measurement Accuracy and Reduces Plant Process Costs
If you're planning to expand, upgrade or retrofit your plant in the near future, chances are that you'll be facing a real estate crisis when it comes to finding a place for all your new or upgraded...(read more)
-
Improve Flow Meter Flexibility and Simplify Maintenance By Combining Wired and Wireless Technologies
While wireless technology has grown rapidly in terms of devices, functionality and availability in the consumer and commercial electronics markets, the wireless revolution is today a bit further...(read more)
-
Improving Wastewater Treatment With Air Flow Instrumentation
In wastewater treatment plants, a variety of processes are employed to eliminate organic pollutants from water to ensure its safety and release for future uses. One of the most common processes is the...(read more)
-
Monitor Your Pump for Process Efficiency
Pumps are all too frequently one of the most overlooked and abused pieces of equipment in process automation, yet nothing moves without them and a process becomes inefficient when they don't operate...(read more)
-
Optimize HVAC and Process System Efficiency by Matching Your Plant and Processes To The Right Flow Measurement Technology
Plant engineers have many flow measurement technology options when selecting flow sensors or flow meters to optimize heating-ventilation-air-conditioning (HVAC) and process control systems. It is...(read more)
-
Protect Your Pump and Keep It Longer
In today's complex and frequently rugged process plant environments, liquid pumps are often over-worked and under-protected from adverse operating conditions. Many pumps run nearly non-stop 24-hours a...(read more)
-
Mass Flow Meters
Using impact plate, measuring chute and Coriolis technologies, Schenck AccuRate manufactures a family of mass flow meters. Working with Schenck AccuRate application engineers, customers are given the...(read more)
-
Improving Weigh Feeder Control Using Scale Location Compensation
This paper describes how "Scale Location Compensation" can be used to improve weigh feeder performance in various applications. Scale Location Compensation ("SLC") was developed by Thayer Scale to...(read more)
-
Inducing Flow In Storage Bins Using Thayer Bridge Breaker
The problem of promoting flow from storage bins should not be taken lightly. While the use of flow aid devices is well established in all industries, their effectiveness in many situations has been...(read more)
-
The Evolution of Thermal Mass Flow Meters
Thermo-Systems, Inc. (TSI) began in its founder's basement in 1959, with a cooled-film anemometer designed for transient measurements in high temperature fluid flows. This led to TSI's hot-film and...(read more)
-
Vortex Meters Tap the Motherlode
The adage, "You can't control what you can't measure," is nowhere so true as in the process contra] industries. Going one step further, it is also necessary to ensure accuracy and repeatability in...(read more)
-
High Throughput Leak Detection
Various methods have historically been used to check leaks in systems and components from bubble tests to rotameters and pressure loss detection. While these traditional methods have their place, they...(read more)
-
Thermal Spray Gas Flow Contol
High Velocity Oxygen Fuel (HVOF) thermal spray technology has evolved and advanced recently through the use of more sophisticated controls and design....(read more)
-
Additive Blending
Hoffer Flow Controls supplies insertion liquid turbine flowmeters and signal conditioners to on an OEM basis. Gate City is located in Atlanta, Georgia and produces blending and additive metering...(read more)
-
Additive Injection in Well Field Using Wing Nut
There are a number of companies worldwide that provide oil and gas well field services. One of the services offered provides for enhanced output from the well. The service company injects various...(read more)
-
Aerospace Engine Testing
Hoffer Flow Controls has been awarded a contract to supply turbine flowmeters to a major U.S. space agency. The turbine flowmeters will be used to test large propulsion engines. We are pleased to be a...(read more)
-
Bag-in-a-Box Beverage Industry
Thousands of bag-in-a-box beverage containers are filled daily throughout the country and total millions of gallons per year. These boxes are, in turn, distributed to wholesaler operations and various...(read more)
-
Brewery in Midwest
Did you know that Hoffer turbine flowmeters are used in the brewing process by an internationally recognized company with a significant share of the beer market? While the actual ingredients used in...(read more)
-
Cryogenic Testing on ACEII
The ACE II Cryogenic System incorporates the newest technological advances in electronics and the time proven solutions in cryogenic measurement. The ACE II Cryogenic System is used to measure and...(read more)
-
Custody Transfer Pipelines
Thousands of pipelines criss-cross the US providing the safest and most economical transportation of petroleum products. Sun Pipeline operates and oversees more than 7000 miles of crude oil and...(read more)
-
Dairy 3A Sanitary
Measure pounds of milk production from controlled groups of cows (250 in a group) using different feed rations and adjusting to meet the most cost efficient ration per pounds of milk produced. The...(read more)
-
Diesel Engine Manufacturing
Diesel engines power much of the world's industrial activity. From railroad locomotives, to ships and boats, construction and agricultural machinery, remote and standby power generation and...(read more)
-
Diesel Fuel Application in Diamond Mines
Mining around the world for minerals from coal to diamonds is an enormous industry with annual sales measured in the trillions of dollars. Most mining activity occurs in remote locations, miles from...(read more)
-
Drag Racing
Hoffer Flow Controls has been supplying turbine flowmeters to the automobile drag race world for the past several years. Typically a small HO Series flowmeter with a magnetic pick up coil is supplied...(read more)
-
Field Calibrations
This system consists of a transfer standard turbine flowmeter, a metering run, and electronics that is mounted on a hand truck for mobility. The electronics provide instantaneous indication of the...(read more)
-
Gas Transmission Auxiliary
After the measurement of water, natural gas is the single most frequent fluid measured by Hoffer turbine flowmeters. A significant number of Hoffer turbine meters are used in the custody transfer...(read more)
- Greensboro City Street Cleaner
-
HVAC
ECI has integrated a Flowstar model 2007 (volumetric flowrate indicator/totalizer batch controller for refrigerants) with a computerized operator station through the use of the RS232 communications...(read more)
-
Hydrocarbon Storage Facility
The town of Mont Belview, Texas, is located along the gulf coast. This geographic region is recognized for the vast underground salt cavern storage facilities. A number of refineries are also located...(read more)
-
Leak Detection in Pipelines
Hoffer Flow Controls continues to supply many "insertion" type turbine flowmeters to the petroleum pipeline industry. This type of meter is commonly used for leak detection and not custody transfer....(read more)
-
Low Flow Application in Coatings Industry
Hoffer Flow Controls turbine flowmeters and electronics play an integral part in many commercial processes, where there is a need for measurement of a clean liquid or gas. Many unique applications use...(read more)
-
Malema M-VF Series Adjustable Velocity Fuse
Malema's M-VF Series adjustable velocity fuse is a safety device used in tubes and pipe lines carrying hazardous and expensive fluids. A rupture or leak in these tubes/pipes causes the velocity of the...(read more)
-
Municipal Water
Bi-directional, adjustable insertion turbine flowmeters from the HP Series were provided. Meters included 2" rotors in order to obtain repeatable flow rates as low as .25 FPS. Flowmeters were equipped...(read more)
-
Natural Gas in Venezuela
Hoffer Flow Controls has recently supplied two computerized natural gas turbine flow measuring systems to Venezuela's gas industry. These systems accurately measure "mass" flow rate and total....(read more)
-
Navy Shock Testing
Hoffer Flow Controls is proud to announce the successful conclusion to extensive Shock and Vibration Testing conducted on our HO2 & 4-inch Flowmeters and our HIT-2A Totalizers. Hoffer Flow Controls is...(read more)
-
Peterbilt Batching Application
Batching of solvent that is used to clean chassis prior to painting. In the case of Peterbilt, the EPA allows no more than 32 ounces to be sprayed on each chassis. The Hoffer batch controller has...(read more)
-
Petroleum Distribution in India
Hoffer Flow Controls has completed work on a project for Reliance in Jumnagar, India. The scope of the project involved the supply of 57 custody transfer turbine flowmeters along with meter runs,...(read more)
-
Pharmaceutical Pill Coating
A pharmaceutical application for coating pills. This coating plays an important role in many medications. Pill coating makes taking pills more pleasant and more importantly it makes certain the pill...(read more)
-
Pharmaceutical WFI Water
Ultrapure deionized water is commonly used in the health care industry to manufacture products such as eye drops, nose spray, and hygiene products. This highly purified water, sometimes referred to as...(read more)
-
Power Generation
Currently, one of the strongest industrial growth markets is power generation. De-regulation of power and gas utilities in the United States and the increased demand for new power sources in emerging...(read more)
-
Shipboard Reverse Osmosis System
Hoffer Flow Controls is a supplier of flow products to various agencies within the U.S. government including the Navy. We have supplied flowmeters and flow switches for a number of shipboard...(read more)
-
Snowmaking
Hoffer Flow Controls has recently supplied two flowmeters for use in the snowmaking process at Whitetail Ski Resort located in Mercersburg, Pennsylvania. One of the flowmeters is a 2" gas turbine...(read more)
-
Steel Mills
To monitor oil spray on the top and bottom of a continuous feed steel sheet for quality assurance and optimization of oil coating. In addition, to monitor return flow of unused oil to a storage tank...(read more)
-
Subsea
It has long been known that some of the largest reserves of oil and gas lay below the waters of the world's oceans. For the last several decades the relatively shallow coastal waters have been the...(read more)
- Remote Rainfall Monitoring
-
Flowhood Maintenance Recommendations
The flow sensing grid in the FlowHood unit is high impact ABS plastic. It can be damaged if subjected to physical abuse or excessive stress. Accurate air flow measurements are dependent on the...(read more)
- Full-Scale Error vs. Setpoint Error
- Increased Backpressure for Promass
- Liquiphant M for Air Reduction in Food Processing
- Liquiphant M for Empty Pipe Detection in Jelly Production
- Liquiphant M for Empty Pipe Detection in PD Pump Protection
- Liquiphant M Replaces Flow Switch for Water Detection
- FieldTool Used to Monitor Promass
- Liquisys M COM 253 with Oxymax W COS 41
- Promass 83F for Mass Flow Measurement of Liquefied Carbon Dioxide
-
Advances in Thermal Dispersion Mass Flow Meter Accuracy
Thermal flow measuring technology has come a long way since the introduction of thermocouple technology and early hot wire anemometers. Thermal technologies depend on heat transfer and traditionally...(read more)
-
Emissions Testing: New Products Derived From Technologies In Very Different Markets
When Caterpillar wanted to offer its customers better power cells for earthmoving equipment, engineers started looking around for someone that could help them reach the next level of battery...(read more)
-
Partial Flow Sampling Systems For Transient Engine Testing
For on-highway engine manufacturers, meeting model year 2007 emissions levels represents a major measurement challenge. However, future off-road engine emissions testing requirements are anticipated...(read more)
- Ultrasonic Vortex Flowmeters: Technical Bulletin: Application, Design, Installation
- Universal Vortex Flowmeters: Technical Bulletin: Application, Design, Installation
- Obtain Acid/Base Concentration and Interphase Detection for CIP System Accurately
- Promass Provides Accuracy that Ensures Effective Boiling Procedure
- Dosimag Fulfills Repeatability Requirements for Filling Machine Maker
- Dosimag Offers Colgate Best Price, Reliability, and Repeatability
- Dosimag's Exceptional Repeatability and Cost Effectiveness Impress User
- Dosimag's Repeatability Stands Out in Extensive Testing
- Page
- 1
- 2
