Features:

• 4 - 1/2” or 6”
• Black anodized aluminum case
• Aluminum pointer painted black
• Matched independent phosphor bronze or stainless steel tubes
• Specially designed heavy duty phosphor bronze differential movement
• 1% of full scale accuracy,
  ANSI / ASME Grade 1A
• 1/4” NPT standard, 1/2” NPT available
• Back flange standard on bottom connection
• Front flange standard on back connection

Applications:
Single pointer gauge for displaying the difference between two different, but related pressures on the same dial, eg., for use on pumps and filters.