USG PRESSURE GAUGE 656231AT4CD3B0G 30 inHg-30 psi 1 4" NPT 3 3 8" DIA

Description:

The USG 656231AT4CD3B0G Compound Pressure Gauge is used in vacuum and low-pressure monitoring systems to provide accurate visual indication of vacuum levels up to 30 inHg and positive pressures up to 30 PSI during process operation. Commonly installed in filtration equipment, pneumatic systems, vacuum pumps, and industrial process machinery where combined vacuum and pressure measurement is essential for maintaining system performance and operational efficiency. Maintenance teams, OEMs, and system integrators use this part for replacement, retrofit projects, and preventive maintenance to ensure dependable vacuum and pressure monitoring in existing installations.

Applications:

The USG 656231AT4CD3B0G Compound Pressure Gauge is commonly used in vacuum systems, compressed air applications, industrial processing operations, and utility equipment requiring combined vacuum and pressure indication. This compound pressure gauge supports pumps and process systems where accurate monitoring of both negative and positive pressures is critical for efficient operation.

Technical Specifications:

• Brand: USG
• Part Number: 656231AT4CD3B0G
• Product Type: Compound Pressure Gauge
• Vacuum Range: 0 to 30 inHg
• Pressure Range: 0 to 30 PSI
• Dial Size: 3-3/8 in. diameter
• Connection Size: 1/4 in. NPT
• Display Type: Analog dial indication
• Measurement Units: Inches of Mercury (inHg) and Pounds per Square Inch (PSI)
• Function: Combined vacuum and pressure monitoring
• Application: Vacuum and low-pressure systems
• Installation: Threaded process connection for direct mounting applications

Common Replacements:

• Ashcroft Compound Pressure Gauge
• WIKA Compound Pressure Gauge
• Winters Compound Pressure Gauge