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Call us at 1-888-826-6342

Call us at 1-888-826-6342

All-Welded Pressure Gauges with Integral Diaphragm Seal

4.5" Dial, 0 to 300 psi, Gauge, Integral Diaphragm Seal

$406.69

Item# PGR-45LSS-300

Volume discounts available
Volume Discount Schedule
Quantity Price each
1-4 $406.69
5-9 $386.36
10-24 $378.22
25-49 $361.95
50-99 $353.82
100+ $345.69

In stock

Lead Time (If not in stock): 14 weeks
4.5" Dial, 0 to 300 psi, Gauge, Integral Diaphragm Seal PGR-45LSS-300 PGR-45LSS-300
  • All-Welded Seal to Gauge Design and Seamless Bourdon Tube Provide Fewer Leak Paths than Competitive Models
  • Stainless Steel Wetted Parts and Bourdon Tube
  • Liquid Fillable Gauge Case with Bladder
  • Tamper Resistant Design
  • Compact Size to Fit Applications with Space Constrants
  • Applications
  • Chemical and Petrochemical Processing Plants
  • Petrochemical Refineries
  • General Processing such as Food and Pharmaceutical

PGR-45LSS-300 Model Options

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Pressure Range Max
Pressure Type
Pressure Range Units
Pressure Range Min
Pressure Port Type
Pressure Port Size
Accuracy Value
Accuracy Class
Dial Size
Additional Features


  • Accuracy Value ± 0.5% of span (grade 2A)
  • Maximum Ambient Temperature 143°C (225°F)
  • Measurement Type Pressure
  • Wetted Materials 316L stainless steel
OMEGA’s PGR Series All-welded gauge and seal offers customers a lower cost alternative to an individual gauge and diaphragm seal with the added advantage of a reduction in potential leaks. The wetted parts are 316L stainless steel. The process connection is a ½ NPT male bottom mount.

Specificat ions
Accuracy: ± 0.5% of span (grade 2A)
Case Size: 114 mm (4.5') diameter
Process Connection: ½ MNPT bottom connection
Seal Upper Material: 316L stainless steel
Diaphragm Material: 316L stainless steel
System Fill Type: DC200
Operating Temperature: 143°C (225°F)
Higher with cooling element PG-CT2
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