1134 ASHCROFT | Alldatasheet

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Technical content

1134 Differential Pressure Gauge

All specifications are subject to change without notice. All sales subject to standard terms and conditions. ©2017 Ashcroft Inc. 1134_gauge_ds2.0, Rev. E 01/20 ashcroft.com info@ashcroft.com 1.800.328.8258

FEATURES

Ranges from 0.6 IWD to 60 IWD Low cost reed switches (OPT.) for direct system control Standard with in-line and back process ports Buna-N Seals (others available) Convoluted diaphragm actuator TYPICAL USES Filtration monitoring Flow measurement Clean room positive pressure (low dp) Leak detection KEY BENEFITS

  • No migration of the process media
  • Superior magnets for smoother motion
  • Low Cost
  • Stainless steel case
  • 5 year warranty SPECIFICATIONS Accuracy: ±3% ascending pressure full scale differential Sizes: 4½˝ Ranges: 0.6 IWD to 60 IWD Maximum Static Pressure: 35 psi Process Connection: 1⁄8 NPT Female Process Connection Location: Dual, back/in-line Window Material: Glass Migration: Zero Maximum Process Temperature: 175°F (80°C) Minimum Ambient Temperature: Buna-N Diaphragm -4°F (-20°C) EPDM Diaphragm -40°F (-40°C) Viton Diaphragm 32°F (0°C) Mounting Hardware: Flush mounting (STD.), surface plate (OPT.) or pipe mounting bracket (OPT.) Weather Protection: IP65 1134 4½˝ dial size WETTED COMPONENTS Actuator O-Rings/Diaphragm Body Material Convoluted diaphragm Buna-N (STD.) EPDM (OPT.) Glass filled nylon Ceramic magnet & stainless steel spring are also wetted components NON-WETTED COMPONENTS Case Material Window Stainless steel Glass (STD.) Plastic (OPT.) RATINGS FOR REED SWITCHES Switches Contact Rating Current Voltage SPST 10 VA ac (rms) or dc (Max.)

0.5 Amp ac (rms) or

dc (Max.) 100 Vac/Vdc (Max.) SPDT 3 VA ac (rms) or dc (Max.)

0.3 AMP ac (rms) or

dc (Max.) 30 Vac/Vdc (Max.)

All specifications are subject to change without notice. All sales subject to standard terms and conditions. ©2017 Ashcroft Inc. 1134_gauge_ds2.0, Rev. E 01/20 ashcroft.com info@ashcroft.com 1.800.328.8258 ORDERING CODE Example: 45 1134 E D RQ M 10IWD -XBF Dial Size 45 - 41/2˝ 45 Model 1134 - Large convoluted diaphragm 1134 Body Material E - Glass filled nylon E Case Fill D - Dry D Process Connection Size RQ - 1/8 NPT Female RQ Process Connection Location M - Dual In-Line or back M Range (coding examples only, see range table below for all standard ranges) 10IWD - 10-in. H2O 10IWD Options (If choosing an option(s) must include a “X”) -X BF - Surface mount BF EM - EPDM Diaphragms and O-rings (ranges up to 4IW) PD - Plastic window TM - Pipe mounting bracket VD - Viton® Diaphragms and O-rings V1 - 1-SPST switch with DIN plug, (Adj. 40-80% of range) V3 - 2-SPST switch with DIN plug, (Adj. 40-80% of range) V5 - 1-SPDT switch with DIN plug, (Adj. 40-80% of range) [97.5] Ø[120] [78.0] [96.5] [131.5] [20] SQ [71.5]HIGH PORT ¹⁄8 NPT LOW PORT ¹⁄8 NPT Ø[114] This instrument with its off-center profile can still be easily inserted in a 115 mm panel cutout. 4.49˝ 4.72˝ 3.07˝ 3.76˝ 3.84˝ 5.18˝ 2.82˝ 0.75˝ SQ Single Scale (inHSingle Scale (inH22O)O) 0.6IW 4IW 10IW 30IW 1IW 5IW 15IW 40IW 2IW 6IW 20IW 50IW 3IW 8IW 25IW 60IW STANDARD ACCESSORIES Two nylon ³⁄16˝ hose barb tube adapters, Flush mounting kit and Two plugs for sealing connections not in use DIMENSIONS in [ ] are millimeters For reference only, consult Ashcroft for specific dimensional drawings