Greyline Instruments Inc. - APPLICATION NOTES

Greyline Instruments

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Pump Station Call Outs A Thing Of The Past

East Sewage Lift Station with Grease and Foam

Town operators were plagued by high level alarm call outs at two new sewage lift stations. Read how they used Greyline's hybrid ultrasonic level controllers with dual sensor capability to put an end to level alarms.

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Wastewater Level Measurement Techniques

Albany County North Sewage Treatment Plant, Albany NY

Level monitoring and control is a fundamental requirement in any wastewater treatment process. You will find level instrumentation installed at even the simplest treatment plants for pump control, chemical storage tanks and process level controls or alarms. Operators have only limited or emergency control over treatment plant influent, so level controls and instrumentation play an important role in managing the wastewater treatment process.

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Doppler for Fly Ash Slurry Flow

Greyline DFM-IV Doppler Flow Meters installed to measure "fly ash slurry" at Xcel Energy's Sherburne County Generating Plant in Becker, Minnesota

Limestone Slurry is abrasive therefore in-line flowmeters are not practical. Non-contacting Doppler Flowmeters can be used both on the fly ash slurry supply lines and on "used" or recirculated slurry.

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DLT 2.0 Differential Level Transmitter -- Open Letter from a Greyline Customer

DLT 2.0 Differential Level Transmitter

The septage receiving station in Whynott's Settlement, Nova Scotia needed a simple, compact solution to control VFD-driven vertical turbine pumps, chlorine injection plus flow through a V-Notch Weir with display and 4-20mA outputs... Solution: the Greyline DLT 2.0 Differential Level Transmitter

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Open Channel Flow Monitors Retired After 16 Years Continuous Service

Intrinsically Safe Ultrasonic Sensor Installed above a Parshall Flume

After 16 years of service, the Long Sault WWTP replaced two older Greyline Open Channel Flow Monitors with new data logging OCF 5.0 models. This SBR treatment plant's influent is measured with flow through two 6" Parshall Flumes.

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Water Bottling Plant Chooses Greyline for Level Control

Culligan's water bottling line

Culligan Water installs Greyline SLT32 Level Monitors to control tank levels in their bottling plant in Calgary, Alberta. With non-contacting ultrasonic sensors the SLT32's control fill and discharge valves in five tanks containing spring water, reverse osmosis water and distilled water.

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Water Accountability

Level-Velocity Sensor Installation in Manhole Inlet Pipe

The Glen Walter Sewage Collection System was built to service 1,080 customers in 1989. At the time the population was 850 but by 1995 the sewage treatment plant had already reached capacity. Plant operators and the municipality had concerns about the excess flow

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Sand Slurry Flow Monitoring

CanFrac Sands Ltd. of Lloydmister Saskatchewan

CanFrac Sands Ltd. of Lloydmister, Saskatchewan install a Greyline DFM 5.0 Doppler Flow Meter to measure fracturing sand slurry when their in-line flowmeters were being damaged by the abrasive slurry.

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Lagoon Discharge Flow Monitoring

South Glengarry Sewage Lagoon

The Township of South Glengarry installs a new Greyline AVFM 5.0 Area-Velocity Flow Meter to measure continuous discharge from their municipal sewage lagoon. The sealed ultrasonic sensor is mounted in a horizontal 12" PVC pipe. The AVFM replaced a magnetic flowmeter that was unable to measure seasonal low flow rates.

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Swimming Pool Level Control

Okotoks Recreation Centre in Alberta, Canada

A Surge Tank is used at the Okotokes Rec Centre Swimming Pool to regulate pool level. By monitoring level in a surge tank the non-contacting Greyline LIT25 Level Indicating Transmitter controls makeup water flow through a solenoid valve.

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Canada

Greyline Instruments Inc. Canada
16456 Sixsmith Drive, Long Sault, Ont. K0C 1P0
Tel: 613-938-8956 • Toll Free: 855-300-9151
Fax: 613-938-4857 • E-mail: info@greyline.com

United States

Greyline Instruments Inc. United States
11451 Belcher Road South, Largo, FL 33773
Tel: 315-788-9500 • Toll Free: 888-473-9546
Fax: 315-764-0419 • E-mail:  info@greyline.com

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