1209 Process Gauge

The Ashcroft® 1209 is a high performance 4.5″ ASME style Process pressure gauge with a stainless steel case designed for applications requiring safety and reliability. Features include a solid front case, standard acrylic window and ranges up to 20,000 psi (1,400 bar).

Key Features:
  •  Complies with ASME B40.100
  • Solid-front case design for safety
  • Socket-to-case weld for superior leak integrity
  • 316L stainless steel case, ring and back cover
  • 316L stainless steel or Monel wetted parts
  • Full pressure relief back cover
  • PLUS! Performance (OPT.)
  • High over pressure up to 417% of range option XRA (see datasheet for specifications)

Process Market:
Chemical and Petrochemical Plants
Offshore Oil and Gas
Natural Gas Transmission and LNG
Water and Wastewater
Power Generation
Mining and Metals

Industrial Market:
Turbines & Compressors
Waterjets and Waterblasters



Certifications & Approvals

Data Sheets & Instruction Manuals

Drawings & Product/Technical Information

Resources & Tools

Min/Max Guide

IMPORTANT! When selecting a diaphragm seal or isolation ring, refer to the Min/Max Guide (PI page) for compatibility with this gauge. 

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Materials Selector

Use the selector to review compatible wetted materials and requirements of your application.

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Unit Converter

Need to convert measurement units? Check out our quick and easy tool to convert pressure, temperature and flow units of measure.

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Product Information

To learn more about the technical details for options available, review our product information (PI) pages.

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Contact Ashcroft

Ashcroft is a trusted source for pressure, temperature, and test instruments around the world. Learn more about how we can help you protect your people, processes, and profits.

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