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Frequently Asked Questions

If the fluid temperature exceeds 150°F what pump should be used?

All-Flo Pumps | Frequently Asked Questions
ANSWER: Pumps that are rated up to 200°F are the PVDF models and all of the metal pumps. Check your chemical compatibility chart for compatibility.
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Can stainless steel be brazed in vacuum below a temperature of 1700° F?

Frequently Asked Questions
Do yo have a difficult brazing problem or need help finding the right brazing product? We're here to help. E-mail us your brazing problems or questions at info@lucasmilhaupt.com.
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Question: What's the big deal about 160°F temperature rise/discharge temperature?

Cambridge Engineering FAQs | Gas-Fired Heaters
Answer: It is the industry's highest rating for this type of space heating equipment and allows us to deliver the maximum amount of heat with the minimum amount of outside air. The maximum 160°F temperature rise/discharge temperature rating is crucial because it translates into lower horsepower motors, less outside air and reduced energy costs.
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All of my ovens read very low, about 34°F to 45°F. Why?

Digitry Company - Temperature Controllers
Answer: A GB4 or GB5 has an internal power supply for its Sending Units. This power supply protects itself from external short circuits by shutting down almost completely, causing a low reading on all channels, even though only one may be shorted out. Since this reading is below any reasonable setpoint, a running unit would remain on continuously, trying to attain its setpoint.
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What fluid is used in the Moveable Mass Racket?

Frequently Asked Questions about Dynaspot Tennis Rackets
The fluid is a light inert oil. It has a very low viscosity and moves freely inside the containment tube.
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How do I know what pump head materials are compatible with my fluid?

Fluid Metering Frequently Asked Questions
FMI can search through our reference material as well as our comprehensive application database to make recommendations. However, a quick and easy way to determine compatibility is to consider what materials of construction are currently used in your piping, fittings, vessels, and containers to handle your product. There are also reference compatibility charts available in print and online. The chemical manufacturer's MSDS data sheets may contain compatibility information as well.
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What if the pump is not pumping fluid?

Snowmasters: Makers of Fine Snow Machines and Evaporative Sn...
It is best that you set the pumping station and snow machine on the ground first to set up the unit and make sure the pump is primed. The pumping station needs a drop of fluid to prime. A dry pump will not move the fluid. You may need to blow fluid into the intake stem. This could be done with a bulb or syringe. You need to squirt fluid through the pump while the pump is turned on. If the pumping station is making a loud noise odds are it needs this process done.
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How many states have never recorded a temperature below 0°?

USATODAY.com
Just one – Hawaii. The lowest temperature ever recorded in Hawaii was 12°, measured on May 17, 1979, at the Mauna Kea Observatory on the Big Island. Most states have record lows well below 0°, except for Florida, which has an all-time low of -2°. That record was set in Tallahassee on Feb. 13, 1899. For each state's all-time low temperature record, check out this USA TODAY resource page. Another good reference for weather records is Christopher Burt's book Extreme Weather.
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What is the fluid?

Frequently Asked Questions
We use glycerin, FDA approved. This food additive is found in many recipes, the most common being frosting (or icing) on cakes. It is also used in some skin creams, makeup and lipstick. Others use animal-based Glycerin or water combinations.
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How can I convert degrees Celsius (°C) to degrees Fahrenheit (°F) or vice versa?

Weatheroffice Frequently Asked Questions - Environment Canad...
The conversion formula is °F = °C x 9/5 + 32 or, in reverse, °C = (°F - 32) X 5/9 . The formula also appears on this page. The "knot" is the unit used to describe the speed of the wind in Canadian marine forecasts. It is a measure of the wind speed in nautical miles per hour. One nautical mile is equal in distance to 1.852 kilometres.
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What is the climb performance like on the SuperVan 900 on a 35°C/95°F day?

TEXAS TURBINE CONVERSIONS, INC. - Caravan Conversion -
The SuperVan 900 has shown that it has almost double the rate of climb of the OEM Caravan for the same operating conditions. It takes just under 13 minutes to get to 14,000 MSL on a 35°C/95°F day at a 9000lb. takeoff weight. (See climb chart)
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What is the benefit of delivering the milk to the vat at or 4° C (39° F)?

Eliminator Holdings Limited |
Scientific studies show that bacterial growth rate in a milk vat is reduced if the milk gets to the vat at 4° C (39° F) and is maintained at that temperature. Milk can be stored at this temperature for 72 hours with relatively stable bacterial counts. The Eliminator solves the age old problem of dumping a full milking of warm milk into a vat of cold milk, and the bacterial growth problems that then occur due to oscillating temperatures.
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What sealing method is best to store plates at –80°C?

Brinkmann Instruments Canada ::: FAQs-PCR
Heat sealing is the only method of obtaining a 100% hermetic seal. We recommend using Eppendorf's Heat Sealer with the Eppendorf Heat Sealing Foils or Film. Samples can be recovered by either piercing through the seals or by removing the seal with the Foil Stripper.
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What is the maximum temperature for PVDF pump heads?

Fluid Metering Frequently Asked Questions
PVDF pump heads have an operating temperature rating of 212 deg. F (100 C). However, these pump heads can be autoclaved (non-operating) at temperatures up to 240 deg F (116 C).
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Why is the ambient temperature important when selecting a pump?

Gorman-Rupp Industries - Frequently Asked Questions
High temperatures reduce the cooling ability and power of the motor, which will in turn affect the performance of the pump.
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Question: Is the pump sensitive to temperature?

FAQs about the Pump and Cassette
Answer: Do not use the pump in temperatures less that 2 ºC and greater than 40 ºC. Think, therefore, to cover the pump with suitable clothing to protect it from extremes of cold and the sun’s warmth. Do not store the pump in temperatures less than –20 ºC and greater than 60 ºC.
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Where would a pump be used?

DIY Wetroom
The chosen location may be on the opposite side of the house to the drains. It may be in a basement below the level of existing drains, or in a position that precludes a gradient to allow drainage. In a roof space headroom may be so tight that to raise the floor to take a standard drain would reduce headroom. the pumped drain is only 35mm deep it permits installation in areas of restricted access. The pump has a sensor to automatically start when water is present.
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There are 15° and 30° blades. When should these be used?

Baileigh Industrial Online: Sheet Metal Notcher
The first are used to make cuts with a total minimum angle of 30° and the second with minimum cuts of 60°.
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My unit burns low or won't burn long when it is below 40°F outside. Why is this?

Portable Heater Frequently Asked Questions: PatioHeater.info
Propane needs to be at its boiling point to give the best output. At or below 40°F propane starts to liquefy and will not give good performance.
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QUESTION #7: How long do I treat very cold water (35° F for example)?

FAQ
ANSWER: Lower temperature water treatment times have not been determined for EPA approval at this time for any chemical water disinfectant products. Our suggestion is to warm the water to be treated to 68° F if possible. When camping in cold conditions, water to be treated can be warmed by keeping the bottle close to your body, either in your jacket or sleeping bag.
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Question: Will 160°F discharge air stratify?

Cambridge Engineering FAQs | Gas-Fired Heaters
Answer: Due to our high velocity discharge air, we are able to drive the heat to the floor resulting in a rapid mixing with surrounding air. Floor to ceiling variation typically does not exceed 3° F to 7° F. Our Building Study Program has confirmed this with real data at existing Cambridge installations.
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All of a sudden one of my ovens reads 32°F. Why?

Digitry Company - Temperature Controllers
Answer: Assuming the other channels are working correctly, the most likely cause is that one or more of the wires between the Sending Unit and the GB4 or GB5 is either broken or disconnected. A less likely possibility is that the Sending Unit itself is defective.
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My bathroom can get below 55° F at night, or any other time. Will this affect composting?

SUN-MAR. The Environmental Solution
Yes. If the unit is being used all of the time, you will need to install an additional heat source or leave the heat on to the area where the composter is located. If you are only using it occasionally on weekends during this time, don't worry about it.
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What is considered excessive operating fluid temperature?

Supresta Fyrquel, EHC, Self Extinguishing, Hydraulic Fluid, ...
The maximum recommended temperature is 160 º F (71º C). Typically, users keep Fyrquel fluids within 120-135 º F (49-57 º C) range setting a 140 F (60 º C) alarm limit.
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Does temperature have any effect on how much sugar is used during fermentation?

Kombucha FAQ Part 1b sugar - Frequently Asked Questions
The higher the temperature, the faster the fermentation process, and the faster the sugar will be used up and converted into acid.
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Do I have the air temperature 1°C above the pool water temperature to avoid condensation?

A.No this is a myth. Condensation occurs when air is in contact with a surface that is colder than the dew point of the air. The dew point of the air is a function of the temperature and humidity of the air. You can have the air temperature 5 °C below the pool temperature as long as the dew point of the air is below the temperature of the internal surfaces. The Recotherm unit controls the internal humidity and temperature and thus controls the dew point.
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One of my HDDs sometimes reports high temperature over 55°C. Should I be concerned?

www.otwesten.de - DriveSitter - F.A.Q.
Yes, you should be concerned! Most manufacturers recommend that the device temperature should not exceed 55°C and must not exceed 60°C. The temperature thresholds of specific HDDs may be different depending on the location of the temperature sensor; refer to the manual of the hard disk drive for model-specific settings.
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