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Aalborg Instruments
TECHNICAL INFORMATION

TECHNICAL INFORMATION

Product catalog summary

Technical Information Overview
This document provides comprehensive technical specifications and flow capacities for various valve and meter types used in fluid control systems. The data is organized in tables, detailing flow capacities for different gases and liquids under specified conditions.

Valve Flow Capacities
The document includes tables showing the flow capacities of MFV^TM, CV^TM, MV^TM, and CVT^TM valves. These tables list flow rates for air, helium, and water at an inlet pressure of 10 psig with atmospheric exhaust. The flow capacities are provided in units of mL/min, scfh (standard cubic feet per hour), and gph (gallons per hour).

Meter Sizing and Calibration
The document outlines the process for sizing meters (P, PX, T, TX, and S meters) based on flow capacity tables. It emphasizes the importance of calibrating meters under standard conditions (14.7 psia and 70°F) and provides guidance on converting flow rates for non-standard conditions using a correction factor "K".

Flow Tube Maximum Flow Rates
Tables 6 and 7 provide maximum flow rates for 150mm and 65mm flow tubes, respectively. These tables include flow rates for air and water, with suffixes indicating the material of the float used in the flow tubes (e.g., GL for black glass, SA for sapphire, etc.).

Gas Flow Capacities
Tables 8 and 9 detail the gas flow capacities for routine gases such as argon, carbon dioxide, helium, hydrogen, nitrogen, and oxygen. These capacities are provided for different flow tube numbers and are expressed in mL/min and scfh.

Conclusion
The document serves as a comprehensive guide for selecting and calibrating valves and meters based on specific flow requirements. It highlights the importance of using standard conditions for calibration and provides detailed tables to assist in the accurate sizing of flow control components.

Catalog excerpts

FLOW CAPACITIES Spare valve cartridges P, Px and S meters TABLE FLOW CAPACITIES Spare valve cartridges T and Tx meters TABLE 1a BULLETIN EM20180402 TECHNICAL INFORMATION WWW.AALBORG.COM - E-MAIL M : [email protected] - PHONE S 845.770.3000 - TOLL FREE IN U.S.A. AND CANADA 1.800.866.3837 - ORANGEBURG N.Y. U.S.A. 58

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TECHNICAL INFORMATION METER SIZING FOR P, PX, T, TX AND S METERS Flow capacity tables 6, 7, 8, 9 and 10 (pages 61 to 64) are based on calibrations at standard conditions, meaning 14.7 psia (1 atm) pressure and 70 °F (21.1 °C). Tables list maximum ﬂow rates of ﬂow tubes. The usable range of meters is at least 10:1, often more. Thus, as a rule of thumb, to estimate the minimum metering limit divide the ﬂow rates listed, by ten. For gases or liquids with ﬂuid properties not greatly different from the calibration media, tables apply directly, when working pressure and temperature are also approximately...

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BULLETIN EM20180402 TECHNICAL INFORMATION WWW.AALBORG.COM - E-MAIL M : [email protected] - PHONE S 845.770.3000 - TOLL FREE IN U.S.A. AND CANADA 1.800.866.3837 - ORANGEBURG N.Y. U.S.A. 60

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TABLE 6 150mm Flow tubes (See Table 8 for Gas Flow Capacities) FLOW TUBE MAXIMUM FLOW RATES 61 WWW.AALBORG.COM - E-MAIL M : [email protected] - PHONE S 845.770.3000 - TOLL FREE IN U.S.A. AND CANADA 1.800.866.3837 - ORANGEBURG N.Y. U.S.A. BULLETIN EM20180402 TECHNICAL INFORMATION

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TABLE 8 - 150mm FLOW TUBES, GAS FLOW CAPACITIES OF ROUTINE GASES FLOW TUBE MAXIMUM FLOW RATES *Suffix refers to float materials: G = black glass, S = sapphire (red), ST = 316 stainless steel, C = Carboloy® , T = tantalum. Flow capacities shown in Tables 4, 5, 6 and 7 are based on calibrations at standard (STP) conditions (70 °F /21.1 °C and 14.7psia/1 atm abs). For fluids other than air or water at STP conditions see paragraph on METER SIZING on page 59. For special OEM requirements call toll free 1-800-866-3837. for direct reading (engineering units) scale flow tubes contact the company or visit...

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TABLE 9 - 65mm FLOW TUBES, GAS FLOW CAPACITIES OF ROUTINE GASES FLOW TUBE MAXIMUM FLOW RATES 63 WWW.AALBORG.COM - E-MAIL M : [email protected] - PHONE S 845.770.3000 - TOLL FREE IN U.S.A. AND CANADA 1.800.866.3837 - ORANGEBURG N.Y. U.S.A. BULLETIN EM20180402 TECHNICAL INFORMATION

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TABLE 10 - 150mm FLOW TUBES, GAS FLOW CAPACITIES FOR GAS PROPORTIONERS at 50 PSIG BULLETIN EM20180402 TECHNICAL INFORMATION WWW.AALBORG.COM - E-MAIL M : [email protected] - PHONE S 845.770.3000 - TOLL FREE IN U.S.A. AND CANADA 1.800.866.3837 - ORANGEBURG N.Y. U.S.A. 64

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TABLE 11 - FLOW TUBES FOR AIR BULLETIN EM20180402 TECHNICAL INFORMATION 65 WWW.AALBORG.COM - E-MAIL M : [email protected] - PHONE S 845.770.3000 - TOLL FREE IN U.S.A. AND CANADA 1.800.866.3837 - ORANGEBURG N.Y. U.S.A.

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TABLE 13 -FLOW TUBES FOR ARGON WWW.AALBORG.COM - E-MAIL M : [email protected] - PHONE S 845.770.3000 - TOLL FREE IN U.S.A. AND CANADA 1.800.866.3837 - ORANGEBURG N.Y. U.S.A. 66

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WWW.AALBORG.COM - E-MAIL M : [email protected] - PHONE S 845.770.3000 - TOLL FREE IN U.S.A. AND CANADA 1.800.866.3837 - ORANGEBURG N.Y. U.S.A. BULLETIN EM20180402 TECHNICAL INFORMATION

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Approximate Common Equivalents TECHNICAL INFORMATION COMMON EQUIVALENTS AND CONVERSIONS Conversions Accurate to Parts Per Million = 25 millimeter = 0.3 meter = 0.9 meter = 1.6 kilometers = 6.5 sq centimeters = 0.09 square meter = 0.8 square meter = 0.4 hectare + = 16 cu centimeters = 0.03 cubic meter = 0.8 cubic meter = 1 liter + = 0.004 cubic meter = 28 grams = 0.45 kilogram = 0.75 kilowatt = 0.04 inch = 3.3 feet = 1.1 yards = 0.6 mile = 0.16 square inch = 11 square feet = 1.2 square yards = 2.5 acres = 0.06 cubic feet = 35 cubic feet = 1.3 cubic yards = 1 quart = 250 gallons = 0.035 ounces...

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TECHNICAL INFORMATION

TECHNICAL INFORMATION

Catalog excerpts

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