P3S 300 SERIES PRESSURE GAUGE

DESCRIPTION & FEATURES

  • Heavy-duty, highly accurate gauge with a durable aluminum case.
  • ±0.5% accuracy for precise measurements.
  • Available with brass or stainless steel internals for compatibility with various media.
  • Large, easy-to-read dial for clear visibility.
  • StabiliZR®️ dampened movement option available on 4.5″ (115mm) dial size for vibration resistance.
  • ASME B40.100 compliant and CRN registered for industry standards compliance.
  • 5-year warranty for long-term reliability.

Applications

  • Ideal for non-clogging installations.
  • Suitable for air, steam, oil, and fresh water.
  • Commonly used in boilers, control rooms, and chillers.

SPECIFICATIONS

 Stainless Steel InternalsBrass Internals
Dial4.5” (115mm), 6” (150mm), 8.5” (215mm) and 10” (250mm) white aluminum with black and red markings4.5” (115mm), 6” (150mm), 8.5” (215mm) and 10” (250mm) white aluminum with black and red markings
CaseAluminum painted blackAluminum painted black
Front Flange

4.5” (115mm), 6” (150mm): SS, polished

8.5” (215mm), 10” (250mm): Aluminum painted black

4.5” (115mm), 6” (150mm): SS, polished

8.5” (215mm), 10” (250mm): Aluminum painted black

Back Flange

4.5” (115mm), 6” (150mm): Steel, painted black (optional)

8.5” (215mm), 10” (250mm): Aluminum, painted black

4.5” (115mm), 6” (150mm): Steel, painted black (optional)

8.5” (215mm), 10” (250mm): Aluminum, painted black

Lens

4.5” (115mm), 6” (150mm): Glass

8.5” (200mm), 10” (250mm): Polycarbonate

4.5” (115mm), 6” (150mm): Glass

8.5” (200mm), 10” (250mm): Polycarbonate

Ring

4.5” (115mm), 6” (150mm): SS, polished

8.5” (215mm), 10” (250 mm): Aluminum

4.5” (115mm), 6” (150mm): SS, polished

8.5” (215mm), 10” (250 mm): Aluminum

Socket316L SSBrass
Connection

1/4” NPT for ranges up to 600 psi (4,137 kPa),

1/2” NPT for ranges over 600 psi (4,137 kPa)

1/4” NPT for ranges up to 600 psi (4,137 kPa),

1/2” NPT for ranges over 600 psi (4,137 kPa)

Bourdon Tube316L SS

Phosphor bronze for ranges up to 600 psi (4,137 kPa),

316L SS for ranges over 600 psi (4,137 kPa)

Movement304 SSBrass
PointerAluminum, anodized black, micrometer adjustableAluminum, anodized black, micrometer adjustable
Welding316L SS TIG Argonarc

Tin/copper alloy for ranges up to 600 psi (4,137 kPa)

Silver alloy for ranges over 600 psi (4,137 kPa)

Over-Pressure Limit

30% for pressures up to 600 psi (4,137 kPa),

25% for pressures over 600 psi to 1,400 psi (4,137 kPa to 9,653 kPa),

15% for pressures over 1,400 psi (9,653 kPa)

30% for pressures up to 600 psi (4,137 kPa),

25% for pressures over 600 psi to 1,400 psi (4,137 kPa to 9,653 kPa),

15% for pressures over 1,400 psi (9,653 kPa)

Working PressureMaximum 75% of full scale valueMaximum 75% of full scale value
Ambient/Process Temperature-40°F to 150°F (-40°C to 65°C)-40°F to 150°F (-40°C to 65°C)
Accuracy±0.5% ANSI/ASME Grade 2A±0.5% ANSI/ASME Grade 2A
Enclosure RatingIP52IP52
Warning (brass internals only)N/AWarning: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm.  For more information go to www.P65Warnings.ca.gov.

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