1220 General Service Pressure Gauge
Brand: Ashcroft Inc.The Ashcroft Type 1220 is a versatile general service gauge.
The phenolic case resists many corrosive environments and is available in three dial sizes.
Lower and back connections allow the gauge to be used for many installations.
Features- Available in 4-1/2", 6" and 8-1/2" dial sizes
- Solid-front style
- Lower or back connect
- PLUS! performance option:
- Liquid-filled performance in a dry gauge
- Fights vibration and pulsations without liquid-filled headaches
Specifications
Brand
Accuracy
- ± 1% of Full Scale (Grade 1A, ASME B40.100)
Ambient Temperature Range
- Dry: -29° to 93° C (-20° to 200° F)
Applications
- Deionized Water Flow
- Refrigeration Equipment
- Specialized OEM Equipment
Approvals & Certifications
- CRN
- ISO 9001
Enclosure, Body Material
- Aluminum
- Phenolic
- Polypropylene
Environmental Protection
- IP54
Lens
- Acrylic Lens
- Glass Lens
- Shatterproof Glass
Materials of Construction
- Bourdon Tube & Socket: 316L Stainless Steel
- Bourdon Tube: Monel® K-500
- Dial: Aluminum, White Background, Black Figures & Intervals
- Phosphor Bronze (Brass Tip, Silver Brazed) Tube, Brass Socket
- Socket: Brass
- Socket: Monel® 400
Mounting
- Flush Mounted
Movement
- Rotary, 400 Stainless Steel
NPT Connection
- 1/2" NPT Male
- 1/4" NPT Male
Pressure Range
- bar: 1 to 1,379
- Inches Hg: -30 to 0
- kPa: 103.4 to 137,900
- psi: 15 to 20,000
Pressure Type
- Compound Pressure
- Gauge
- Vacuum
Process Temperature
- Dry: -29° to 121° C (-20° to 250° F)
Ring Material
- Threaded Reinforced Black Polypropylene
Size
- Dial: 4.5"
- Dial: 6" (152.4 mm)
- Dial: 8.5" (215.9 mm)
Storage Temperature
- Dry: -40° to 121° C (-40° to 250° F)
Documentation
Installation & Maintenance
Product Information
- Ammonia Applications pdf 294 KB
- High Pressure Tubing Connection pdf 664 KB
- Hysteresis Error for 316 Stainless Steel Bourdon Tubes pdf 663 KB
- Receiver Gauge and False Reading Gauge pdf 479 KB
- Rupture, Proof and Overpressure of Ashcroft Bourdon Tubes pdf 667 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