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The Ashcroft Type 1125/1125A differential pressure gauges display the difference of two separate indicators. The 1125A is offered with “0” at the 12 o’clock position on the dial with positive pressure on either side of zero. The 1125/1125A has bronze Bourdon tubes with brass sockets.
When the process media is corrosive to the gauge wetted parts, a diaphragm seal with capillary is available.
Features- 4-1/2" & 6" dial size
- Bronze Bourdon tube and sockets
- ASME B40.1 Grade 1A (2%-1%-2%)
- Black epoxy coated aluminum case and ring
Specifications
Brand
Accuracy
- ± 2-1-2% ASME B40.100 Grade A
Applications
- Chemical & Petrochemical
- Filter, Level & Flow Measurement
- Mining & Metals
- Refineries
- Water & Wastewater Pressure Control
Enclosure Finish
- Case: Black Epoxy Coated
Enclosure, Body Material
- Cast Aluminum, Black Epoxy Coated
Lens
- Window: Glass Lens
Materials of Construction
- Bourdon Tube: Grade A Phosphor Bronze
- Dial: White Painted Aluminum with Black Markings
- Socket: Bronze
Mounting
- Stem
- Surface Mount
Movement
- Bronze
NPT Connection
- 1/2" NPT Female
- 1/4" NPT Male
Pressure Range
- bar: 0.69 to 68.95
- kPa: 68.95 to 6,895
- psi: 10 to 1,000
Pressure Type
- Differential
Ring Material
- Aluminum, Black Epoxy Coated
Size
- Dial: 4.5"
- Dial: 6" (152.4 mm)
Documentation
Installation & Maintenance
Product Information
- Ammonia Applications pdf 294 KB
- High Pressure Tubing Connection pdf 664 KB
- Hysteresis Error for 316 Stainless Steel Bourbon Tubes pdf 663 KB
- Rupture, Proof and Overpressure of Ashcroft Bourdon Tubes pdf 479 KB
- Safety Concerns Using Repaired and Reconditioned Pressure Gauges pdf 665 KB
- Storage and Shelf Life of Gauges pdf 668 KB
- Stress Corrosion Cracking Resistance of K500 Monel vs Monel 400 in Hydrofluoric Acid pdf 681 KB
- Throttle Screw Selection Pressure Gauges pdf 454 KB
