4 Inch Chrome Plated Steel Case Dry Vacuum Pressure Gauge With Lower Mount One Quarter Inch NPT Minus 30 InHg To 30 Psi Dual Scale InHg And Bar With KPa Guidance ASME B40.1 Grade B Accuracy For Oil Water Air Hydraulic HVAC Gases And Liquids

4-Inch Chrome Steel Vacuum Gauge with Lower Mount Bracket
✔️ Single gauge, dry vacuum -30 inHg to 30 psi, 1/4 NPT

This dry, 4" pressure gauge is built with a chrome-plated steel case and a lower mount for easy installation in compact equipment. It’s designed for oil, water, air, hydraulics, HVAC, and gas or liquid lines that are not highly viscous or corrosive to copper alloys. Ideal for service bays, test rigs, and industrial systems needing reliable vacuum and pressure readings.

✅ Dual scale: inHg and bar with kPa guidance
✅ 4" chrome-plated steel case, dry gauge
✅ Lower mount 1/4" NPT connection
✅ Wetted parts brass and copper alloy; glass lens
✅ ASME B40.1 Grade B accuracy ±3-2-3% of span
✅ Suitable for oil, water, air, hydraulics, HVAC and gases/liquids (not highly viscous)

💡 What is a dry vacuum pressure gauge used for in industrial systems? A handy tool for monitoring vacuum and pressure in HVAC, hydraulic, and process lines to ensure safe operation and accurate readings. - Uses: vacuum and pressure measurement across -30 inHg to 30 psi dual scale with bar/kPa guidance
- Construction: 4" chrome plated steel case with lower mount 1/4" NPT
- Readability and accuracy: ASME B40.1 Grade B ±3-2-3%
- Installation notes: brass and copper wetted parts with glass lens