1490 ASHCROFT | Alldatasheet

Document overview

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Technical content

FEATURES

„ FlutterGuard™ option to reduce movement wear and eliminate pointer flutter „ Pointer adjustment screw „ Polycarbonate removable window „ Glass-filled polysulfone case material „ Custom dials TYPICAL USES „ Vacuum pumps „ Air compressors „ Filters „ Gas measurement; burners and leak detectors „ Vacuum ovens „ Specialized OEM equipment „ Suction regulators and respirators SPECIFICATIONS Accuracy: ±2-1-2% of span (ASME B40.100 Grade A) Dial Size: 21⁄2˝, 31⁄2˝ Ranges: 10 in. H2O through vacuum, compound to 15 psi Process Connection Location: Lower, center back, top, 3 o’clock, 9 o’clock Process Connection Size: 1⁄8 NPT Male, 1⁄4 NPT Male, 1⁄8˝ Tubing hose barb, 3⁄16˝ Tubing hose barb, 1⁄4˝ Tubing hose barb, 1⁄4˝ O.D. Polytube hose barb, 3⁄32˝ Tubing hose barb Movement: Brass Dial: Aluminum, white background, black figures and intervals Proof Pressure: 1.5 X Range Burst Pressure: Up to 5 psi = 50 psi Greater than 5 psi = 100 psi Mounting Option: Stem, Flush U-clamp for panel mounting Pointer: Black, aluminum Dampening: FlutterGuard™ NON-WETTED COMPONENTS Case: Black, glass filled polysulfone Ring/Window: Threaded polycarbonate, bayonet KEY BENEFITS

  • Case won't rust or dent
  • Sensitive diaphragm capsule to measure low pressure and vacuum
  • Case is suitable for intermittent or continuous services on natural gas 1490 21⁄2˝, 31⁄2˝ dial size MIN/MAX TEMPERATURE LIMITS Ambient -40 °F to 180°F (-40 °C to 82 °C) WETTED COMPONENTS Diaphragm: Beryllium copper Process Connection: Brass of 5

1490 Low Pressure Diaphragm Gauge

Data SheetAll specifications are subject to change without notice. All sales subject to standard terms and conditions. Ashcroft®, FlutterGuard™, Trust the Shield® are trademarks of Ashcroft Inc. For more information, see Ashcroft Brands & Trademarks ©2022 Ashcroft Inc. 1490_gauge_ds_RevC_10-06-22 ashcroft.com | 1.800.328.8258 | Contact Us

ORDERING CODE Example: 35 1490 A 02 B XUC 10IWC Dial Size 25 - 21⁄2 ˝ 35 - 31⁄2 ˝ 35 Model Code 1490 - Glass filled polysulfone case 1490 Wetted Material A - Beryllium copper brass polysulfone RTV silicone A Process Connection Size 01 - 1⁄8 NPT Male (U-clamp is optional) 02 - ¼ NPT Male (U-clamp is optional) 02 HD - 1⁄8 ˝ Tubing hose barb (includes U-clamp/throttle plug not available this OPT.) HE - 3⁄16 ˝ Tubing hose barb (includes U-clamp/throttle plug not available this OPT.) HF - 1⁄4 ˝ O.D. Polytube hose barb (includes U-clamp/throttle plug not available this OPT.) HG - 1⁄4 ˝ Tubing hose barb (includes U-clamp/throttle plug not available this OPT.) HH - 3⁄32 ˝ Tubing hose barb (includes U-clamp/throttle plug not available this OPT.) Process Connection Location B - Center back connection D - Connection @ 3 o'clock E - Connection @ 9 o'clock L - Lower connection T - Top connection Options (If choosing an option(s) must include an “X”) X__ AN - 1% Accuracy C4- Traceable calibration certificate DA - Dial marking EO - External adjustment NH - Stainless Steel tag NN - Paper tag TU - Thottle plug (throttle plug must be installed for intermittent or continuous use on natural gas service) UC - U-clamp (U-Clamp standard with hose barb connection) UC ZY - FlutterGuard™ Range (See range table on page 3 for all standard ranges) 10IWC - 0/10 in. H2O 10IWC of 5 All specifications are subject to change without notice. All sales subject to standard terms and conditions. Ashcroft®, FlutterGuard™, Trust the Shield® are trademarks of Ashcroft Inc. For more information, see Ashcroft Brands & Trademarks ©2022 Ashcroft Inc. 1490_gauge_ds_RevC_10-06-22 ashcroft.com | 1.800.328.8258 | Contact Us

1OIW 0/10 in. H2O 1 0.1 15IW 0/15 in. H2O 5 0.2 30IW 0/30 in. H2O 5 0.5 60IW 0/60 in. H2O 10 1 100IW 0/100 in. H2O 10 1 160IW 0/160 in. H2O 20 2 200IW 0/200 in. H2O 20 2 300IW 0/300 in. H2O 50 5 10ZSI 0/10 oz./in^2 1 0.1 15ZSI 0/15 oz./in^2 5 0.2 30ZSI 0/30 oz./in^2 5 0.5 60ZSI 0/60 oz./in^2 10 1 100ZSI 0/100 oz./in^2 10 1 160ZSI 0/160 oz./in^2 20 2 250ZSI 0/250 oz./in^2 50 5 3# 0/3 psi 0.5 0.05 5# 0/5 psi 1 0.1 10# 0/10 psi 1 0.1 15# 0/15 psi 5 0.2 STANDARD VACUUM PRESSURE RANGES Range Code Pressure Figure Intervals Minor Graduation 15IWV 15/0 in. H2O 5 0.2 30IWV 30/0 in. H2O 5 0.5 60IWV 60/0 in. H2O 10 1 100IWV 100/0 in. H2O 10 1 200IWV 200/0 in. H2O 20 2 N15/0ZSI 15/0 oz H2O 5 0.2 N30/0ZSI 30/0 oz H2O 5 0.5 N60/0ZSI 60/0 oz H2O 10 1 N100/0ZSI 100/0 oz H2O 10 1 Compound N30/30IW -30/30 in. H2O 10 1 N30/30ZSI -30/30 oz./in^2 10 1 N10/10IW -10/10 in. H2O 2 0.2 STANDARD METRIC PRESSURE RANGES Range Code Pressure Figure Intervals Minor Graduation 60CMW 0/60 cm H2O 10 1 2.5KP 0/2.5 kPa 0.5 0.05 4KP 0/4 kPa 1 0.1 10KP 0/10 kPa 1 0.1 16KP 0/16 kPa 2 0.2 25KP 0/25 kPa 5 0.5 40KP 0/40 kPa 10 1 100KP 0/100 kPa 10 1 Vacuum N4KP 4/0 kPa 1 0.1 N16KP 16/0 kPa 2 0.2 N100KP 100/0 kPa 10 1 Compound 60CM -10/60 cm H2O 10 1 80CM -10/80 cm H2O 10 1 40CM -20/40 cm H2O 10 1 100CM -10/100 cm H2O 10 1 120CM -10/120 cm H2O 10 1 DUAL SCALE STANDARD PRESSURE RANGES Range Inner Scale Outer Scale Range Code Inner Scale Outer Scale Figure Intervals Minor Graduation Figure Intervals Minor Graduation 35ZSI/IW 0/35 oz./in^2 60/0 in. H2O 1 0.5 10 1 60ZSI/IW 0/60 oz./in^2 100/0 in. H2O 1 1 10 1 of 5 Data SheetAll specifications are subject to change without notice. All sales subject to standard terms and conditions. Ashcroft®, FlutterGuard™, Trust the Shield® are trademarks of Ashcroft Inc. For more information, see Ashcroft Brands & Trademarks ©2022 Ashcroft Inc. 1490_gauge_ds_RevC_10-06-22 ashcroft.com | 1.800.328.8258 | Contact Us

(inches) øA B øC D G S 21⁄2 2.59 [66] 1.72 [44] 2.88 [73] .38 [10] 2.19 [55] .20 [5] 31⁄2 3.66 [93] 1.69 [43] 3.97 [101] .38 [10] 2.72 [69] .20 [5] Dial Size (inches) øA B øC S 21⁄2 2.59 [66] 2.59 [66] 2.88 [73] .20 [5] 31⁄2 3.66 [93] 2.56 [65] 3.97 [101] .20 [5] Dial Size (inches) øA øC D DD øE G G1 GG LL Max. øM S WW1⁄8 ID Tubing 3⁄16 ID Tubing 1⁄4 ID Tubing 1⁄4 OD Tubing 10-32 Female 21⁄2 2.59 [66] 2.88 [73] .38 [10] 3.06 [78] 2.13 [54] 1.75 [44] 2.13 [54] 2.28 [54] 1.75 [44] 1.34 [34] 1.59 [40] .50 [13] 2.66 [67] .20 [5] [25] 31⁄2 3.66 [93] 3.66 [101] .38 [10] 4.13 [105] 3.38 [67] 2.31 [59] 2.66 [81] 2.81 [54] 2.31 [59] 1.97 [50] 1.53 [39] .50 [13] 3.75 [95] .20 [5] [25] G øC B or NPT D S øA 9/16 Hex 1/4 1/8 11/32 Hex. Lockwasher Nut (2 Plcs) ID Tubing Hose Barb, 1/4˝ OD Polytube Hose Barb, 10-32 Female Thread øE DD WW GG øM øA D LL øC SStud (2 Plcs) #8-32 x 1˝ long øC B 1/4 or 1/8 NPT S øA 9/16 Hex DIMENSIONS in [ ] are millimeters For reference only, consult Ashcroft for specific dimensional drawings of 5 All specifications are subject to change without notice. All sales subject to standard terms and conditions. Ashcroft®, FlutterGuard™, Trust the Shield® are trademarks of Ashcroft Inc. For more information, see Ashcroft Brands & Trademarks ©2022 Ashcroft Inc. 1490_gauge_ds_RevC_10-06-22 ashcroft.com | 1.800.328.8258 | Contact Us

U-CLAMP (OPT.) Dial Size (inches) øA B øC DD øE GG LL Max. øM S WW 21⁄2 2.59 [66] 2.59 [66] 2.88 [73] 3.06 [78] 2.13 [54] 1.59 [40] .50 [13] 2.66 [67] .20 [5] [25] 31⁄2 3.66 [93] 2.56 [65] 3.97 [101] 4.13 [105] 3.38 [67] 1.53 [39] [13] 3.75 [95] .20 [5] [25] Dial Size (inches) øA B B1 øC DD øE GG LL Max. øM S WW1⁄8 ID Tubing 3⁄16 ID Tubing 1⁄4 ID Tubing 1⁄4 OD Tubing 10-32 Female 21⁄2 2.59 [66] 2.19 [55] 2.53 [64] 2.69 [68] 2.19 [55] 1.78 [45] 2.88 [73] 3.06 [78] 2.13 [54] 1.59 [40] [13] 2.66 [67] .20 [5] [25] 31⁄2 3.66 [93] 2.13 [54] 2.50 [63] 2.97 [67] 2.13 [54] 1.72 [44] 3.97 [101] 4.13 [105] 3.19 [81] 1.53 [39] .50 [13] 3.75 [95] .20 [5] [25] 9/16 Hex Stud #8-32 x 1˝ Long G øC B 1/4 or 1/8 NPT S øA øM GG LL øE DD 11/32 Hex Lockwasher Nut WW G øC B S øA øM GG LL øE DD 11/32 Hex Lockwasher Nut 9/16 Hex Stud #8-32 x 1˝ Long WW ID Tubing Hose Barb, 1/4˝ OD Polytube Hose Barb, 10-32 Female Thread of 5 Data SheetAll specifications are subject to change without notice. All sales subject to standard terms and conditions. Ashcroft®, FlutterGuard™, Trust the Shield® are trademarks of Ashcroft Inc. For more information, see Ashcroft Brands & Trademarks ©2022 Ashcroft Inc. 1490_gauge_ds_RevC_10-06-22 ashcroft.com | 1.800.328.8258 | Contact Us