Size guidelines: AHAM’s standard recommends following the “2/3 rule,” meaning your air purifier’s CADR ratings should be at least 2/3 the size of your room. For instance, if your room is. Airflow is a workflow engine from Airbnb. Airbnb developed it for its internal use and had recently open sourced it. In Airflow, the workflow is defined programmatically. Turbomosaic 3 0 12 – photo mosaic maker software. Airflow document says that it's more maintainable to build workflows in this way, however I would leave it to the judgement of everyone.
Use with the Dwyer® Differential Pressure Gages or Transmitters
The Series DS In-Line Flow Sensors are two Series of averaging Pitot tubes for compatible gases and liquids that provide accurate and convenient flow rate sensing, for schedule 40 pipe, when purchased with suitable differential pressure gage with appropriate range.
The Series DS-300 Averaging Flow Sensors are designed to be inserted in the pipeline through a compression fitting and available for pipe sizes from 1 to 10' (2.5 to 25.4 cm). Accessories include adapters with 1/4' SAE 45° flared ends compatible with hoses supplied with the Model A-471 Portable Capsuhelic® Gage Kit.
The Series DS-400 Averaging Flow Sensors are designed for insertion lengths up to 24' (61 cm) and include a pair of 1/8' NPT x 1/4' SAE 45° flared adapters which are compatible with hoses used in the Model A-471 Portable Capsuhelic® Gage Kit. The supplied solid brass mounting adapter has a 3/4' dia. compression fitting to lock in required insertion length and a 3/4' male NPT thread for mounting in a threaded branch connection (not included).
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Product Applications
- Remediation
- Natural, flare, flue, stack gas
- Boiler feedwater
- Cooling water
- Superheated, saturated, or geothermal steam
- Combustion or compressed air
- Oil flow monitoring
- Multiple sensing point measurement and built-in averaging capability eliminatesthe need for “traversing” the flowing stream with single point velocity pressuremeasurement saving time
- Extremely reliable, proven technology, Pitot tubes, have been used in flowmeasurement for years
- All models include convenient and quick-acting quarter-turn ball valves to isolate thesensor for zeroing with 1/8' female NPT valve assembly process connections.
- Furnished with instrument shut-off valves on both pressure connections with 1/8'female NPT connections rated at 200 psig (13.7 bar) and 200°F (93.3°C)
- Where valves are not required, they can be omitted at reduced cost
- The Series DS-400 Averaging Flow Sensors are quality constructed from extrastrong 3/4' dia. stainless steel to resist increased forces encountered at higher flowrates with both air and water
- Economical flow indication when used with appropriate differential pressure gage
- Rugged construction yields, non-clogging, stable design
- -LV - Less Valves (DS-300). To order, add suffix-LV.
Model Number | Description |
---|---|
A-160 | Threaded branch connection, 3/8' NPT, forged steel, 3000 psi. |
A-161 | Brass bushing, 1/4' x 3/8'. |
EXAMPLE | DS | 400 | 6 | LV | Series DS-400-6-LV DS-400 Flow Sensor, 6' probe length, less valves |
SERIES | DS | 300 400 | DS In-Line Flow Sensor DS Averaging Flow Sensor | ||
RANGE | 1 1-1/4 1-1/2 2 2-1/2 3 4 6 8 10 12 14 16 18 20 24 | 1' Probe Length 1-1/4' Probe Length 1-1/2' Probe Length 2' Probe Length 2-1/2' Probe Length 3' Probe Length 4' Probe Length 6' Probe Length 8' Probe Length 10' Probe Length 12' Probe Length 14' Probe Length 16' Probe Length 18' Probe Length 20' Probe Length 24' Probe Length | |||
OPTIONS | LV ST | Less Valves Stainless Tag |
Manuals
Catalog Pages
- Question
- How many sensing points are there on a 6' DS-300 In-Line Flow Meter?
- Answer
- The 6” DS flow sensor has 4 sensing holes. (3” and larger all have 4 holes, sensors smaller than 3” have 2 holes).
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- Series DS
Airflow 2 3 100
- Question
- Do you have a flow calculation program that calculates differential pressure from DS400 when given flow rate, temperature & pressure?
- Answer
- Yes you can find the DS Flow Calculator on our website www.dwyer-inst.com under DS In-Line Flow Sensors. On the DS page click on the Apps tab and that will bring you to the Air Velocity and Flow Calculator and Series DS Flow Calculator.
- Related
- Series SBLT2 & SBLTX Submersible Level Transmitter
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Airflow 2 3 101
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