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    Stainless Steel Pitot Tubes: ASME Design Meets AMCA and ASHRAE Codes

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    Luis Tafur Bravo
    ASME design meets AMCA and ASHRAE specifications for maximum accuracy over a wide variety of flow conditions. Permanent, stamped insertion depth graduations on sides of 160 series facilitate accurate positioning. A universal model fits user supplied 3 / 4"schedule 40 (standard) pipe in any length.

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    Stainless Steel Pitot Tubes: ASME Design Meets AMCA and ASHRAE Codes

    Uploaded by

    Luis Tafur Bravo
    48 views1 page
    ASME design meets AMCA and ASHRAE specifications for maximum accuracy over a wide variety of flow conditions. Permanent, stamped insertion depth graduations on sides of 160 series facilitate accurate positioning. A universal model fits user supplied 3 / 4"schedule 40 (standard) pipe in any length.

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    ASME design meets AMCA and ASHRAE specifications for maximum accuracy over a wide variety of flow conditions. Permanent, stamped insertion depth graduations on sides of 160 series facilitate accurate positioning. A universal model fits user supplied 3 / 4"schedule 40 (standard) pipe in any length.

    Copyright:

    Attribution Non-Commercial (BY-NC)
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    48 views1 page

    Stainless Steel Pitot Tubes: ASME Design Meets AMCA and ASHRAE Codes

    Uploaded by

    Luis Tafur Bravo
    ASME design meets AMCA and ASHRAE specifications for maximum accuracy over a wide variety of flow conditions. Permanent, stamped insertion depth graduations on sides of 160 series facilitate accurate positioning. A universal model fits user supplied 3 / 4"schedule 40 (standard) pipe in any length.

    Copyright:

    Attribution Non-Commercial (BY-NC)
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    of 1

    Series 160

    Stainless Steel Pitot Tubes


    ASME Design Meets AMCA and ASHRAE Codes
    160 Series 1/2 [12.70] TOTAL PRESSURE CONNECTION 1/4 [6.35] 1/4 [6.35] 13/16 [20.62] 2-5/8 [66.68] STATIC PRESSURE CONNECTION (8) .040 [1.02] STATIC PRESSURE HOLES EQUALLY SPACED 5/16 [7.94] 160 Series Longer Models with Stiffener 1 [25.40] INSERTION LENGTH 1/2 [12.70] SQ 5 [127.00]

    2-41/64 [67.07] 1/8 [3.18] TOTAL PRESSURE

    AIR QUALITY

    Standard Model 160 Pitot Tube Ideal for use with our precision manometers and air velocity gages, Dwyer Pitot Tubes are constructed from corrosion resistant stainless steel for a lifetime of service. ASME design meets AMCA and ASHRAE specifications for maximum accuracy over a wide variety of flow conditions. No correction factors required as ASHRAE tip design yields a calibration factor of 1. ASHRAE design needs no calibration! Permanent, stamped insertion depth graduations on sides of 160 series facilitate accurate positioning. Static pressure port is parallel to sensing tube allowing quick, easy alignment of tube with air flow. Low sensitivity to misalignment gives accurate reading even when tube is misaligned up to 15 degrees. Various standard sizes are available for use in ducts as small as 4 dia. or as large as 36 ft dia. A universal model fits user supplied 3/4schedule 40 (standard) pipe in any length. Several convenient mounting options are available for permanent installations. No calibration needed Precisely located, burr-free static pressure holes Hemispherical tip design, best for accuracy if imperfectly aligned and nearly impossible to damage Long lasting 304 SS construction Silver soldered connections for leak-proof operation Coefficient of 1 5/16 models rated to 1500F Extended static connection helps guide tip within recommended 15 of air flow direction Inch graduations on sides of 160 series to quickly determine exact insertion depth Dwyer Air Velocity Calculator, direct reading flow charts and instructions included Use 1/8 models in ducts as small as 4, 5/16 models in ducts 10 or larger Optional mounting gland or split flange make permanent installation fast and simple Series 160 is designed to meet: ASME Fluid Meters 6th Ed. ANSI/AMCA 210-99 ANSI/ASHRAE 51-1999 British Standard 1042

    96, 120, 168 OR 216

    5 [127.00]

    3/4 [19.05] FOR 96 OR 120 1 [25.4] FOR 168 OR 216

    3-5/8 [92.08]

    1/2 [12.70] TOTAL PRESSURE CONNECTION 1/4 [6.350]

    2-1/2 [63.5]

    1/4 [6.35 STATIC PRESSURE STATIC PRESSURE (8) .040 [1.02] HOLES EQUALLY SPACED CONNECTION TOTAL PRESSURE 1/8 [3.18] HOLE

    Pitot Tubes

    Model 160-U

    36-5/8 [930.28]

    3 [76.20]

    STATIC PRESSURE CONNECTION 1/4 COMPRESSION FITTING

    5 [127.00]

    2-1/2 [53.5]

    TOTAL PRESSURE CONNECTION 6 1/4 COMPRESSION FITTING [152.4] 1/2 NPT 3/4 SCHEDULE 40 PIPE SUPPLIED BY CUSTOMER 5/16 3/4-12 REDUCING COUPLING [7.94] SUPPLIED BY CUSTOMER STATIC PRESSURE NOTE: (8) .040 [1.02] CUSTOMER MUST SUPPLY 1/4 TUBING IN HOLES EQUALLY APPROPRIATE LENGTHS TO THE STATIC AND SPACED TOTAL PRESSURE CONNECTIONS. TUBING AND TOTAL PRESSURE CONNECTIONS WILL FIT INSIDE STANDARD 1/8 [3.18] HOLE SCHEDULE 40 PIPE. 1/2 [12.70] 1-1/2 [38.10] TOTAL PRESSURE CONNECTION

    166/167 Series 6-1/2 OR 12-1/2 MODEL 166 2 [50.8] MODEL 167 1 [25.4] MODEL 166 1 [25.4] MODEL 167 1/2 [12.7] 1/8 [3.18]

    1/4 [6.35]

    ACCESSORIES No. A-158 Split Flange Mounting can be added to any Dwyer No. 160 Standard Pitot Tube. Cadmium plated steel. Gasket is pattern for mounting holes. Secure flange loosely to tube, adjust tube depth and tighten screws. Gasket of 1/16 Neoprene fits tightly around tube and against duct for leak-proof seal. Nuts, washers included. No. A-159 Mounting Gland No. A-159 Mounting Gland Versatile adapter slips on any Series 160, 5/16 standard Pitot tube made after Dec. 1990. Two-part stainless steel fitting slides over tube and provides permanent, secure mounting. Where duct interior is accessible, use the washers and jam nut supplied. For blind applications or in thicker materials, use model A-156 flange mounting plate. Once tube is adjusted to proper depth and angle, tighten smaller hex bushing to lock position. Graphite bushing inside assures leak-proof seal even at higher temperatures. TFE bushing also available. Note: For full insertion with this fitting, order next longer Pitot tube. A-159 Mounting Gland is used for both duct mounting and flange mounting. To flange mount, the A-159 must be used with the A-156 flange mounting plate. No. A-397 Step Drill. For fast, convenient installation of Pitot tubes in sheet metal ducts. No center punch needed; automatic de-burring. Drills six sizes from 3/16-1/2 in 1/16 increments.

    STATIC PRESSURE (8) .020 [.51] HOLES EQUALLY 1/8 [3/18] SPACED 1/4 [6.35] TOTAL PRESSURE STATIC PRESSURE CONNECTION 3/64 [1.19] HOLE

    1/2 1/8 [12.70][3.18] 2-1/2 1/2 [63.50] [12.70]

    Standard 5/16 Diameter Model Insertion Length 160-8 8-5/8 160-12 12-5/8 160-18 18-5/8 160-24 24-5/8 160-36 36-5/8 160-48 48-5/8 160-60 60-5/8 Universal Model for 3/4 Pipe Model Insertion Length 160-U *

    Longer Length w/ Stiffener Model Insertion Length 160-96 96 160-120 120 160-168 168 160-216 216 Pocket Size 1/8 Diameter Model Insertion Length 166-6 6 166-12 12 167-6 6 167-12 12

    ACCESSORIES & OPTIONS A-156, Flange Mounting Plate 1/2 female NPT A-158, Split Flange A-159, Mounting Gland A-397, Step Drill 1/8 male NPT compression fitting, mounting option for Series 166/167. Add -CF suffix (166-6-CF).
    *Universal model for permanent installation and connection to metal tubing. Make any length Pitot tube with 3/4 schedule 40 pipe, 3/4 to 1/2 reducing bushing and 1/4 metal tubing.

    128

    VISIT OUR WEBSITES:

    www.dwyer-inst.com

    www.dwyer-inst.co.uk

    www.dwyer-inst.com.au

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