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1339A Duplex Pressure Gauge
Brand: Ashcroft IncThe Ashcroft® 1339 duplex pressure gauge is used for pressure measurement of two independent points.
An easy solution for users seeking to reduce system complexity and cost, this model provides high reliability and performance.
An ideal product for satisfying critical installation requirements.
Features- 4-1/2" dial size
- Bronze Bourdon tube and brass sockets
- Two independent systems and movements
- Non-adjustable red and black pointers
Specifications
Brand
Accuracy
- ± 2-1-2 % ASME Grade A
Ambient Temperature Range
- Dry: -29° to 93° C (-20° to 200° F)
Approvals & Certifications
- CRN
- ISO 9001
Enclosure, Body Material
- Aluminum
Lens
- Glass Lens
Materials of Construction
- Bourdon Tube & Socket: Grade A Phosphor Bronze
- Dial Material & Color: Brushed Aluminum with Black Markings
- Socket: Brass
Mounting
- Flush Mount
Movement
- Bronze
NPT Connection
- 1/4” NPT Male
Pressure Range
- bar: 0 to 68.9
- Inches Hg: -30 to 0
- kPa: 0 to 6,895
- psi: 0 to 1,000
Pressure Type
- Compound Pressure
- Gauge
Process Temperature
- Dry: -29° to 121° C (-20° to 250° F)
Ring Material
- Aluminum, Hinged, Black Epoxy Coated
Size
- Dial: 4.5”
Storage Temperature
- Dry: -40° to 121° C (-40° to 250° F)
- Filters
- Pumps & Valves
- Rail Braking Systems
- Specialized OEM Equipment
Documentation
Product Information
- High Pressure Tubing Connection pdf 664 KB
- Hysteresis Error for 316 Stainless Steel Bourdon Tubes pdf 663 KB
- Measuring Pressure on Ammonia Applications pdf 1.1 MB
- Rupture, Proof and Overpressure of Ashcroft Bourdon Tubes pdf 479 KB
- Safety Concerns Using Repaired and Reconditioned Pressure Gauges pdf 668 KB
- Storage and Shelf Life of Gauges pdf 665 KB
- Throttle Screw Selection Pressure Gauges pdf 454 KB