SF₆ Gas Pressure Gauge for Ring Main Unit-7S-SF6-HF165A

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Features:

Xizi Energy’s direct insertion SF₆ gas pressure gauge is purpose-built for 12kV/24kV SF₆ ring main units (RMUs) and gas-insulated switchgear. Featuring a long stainless steel insertion stem, it enables direct mounting into gas chambers for reliable, visual pressure monitoring.
Equipped with a color-coded dial (red for low pressure, green for normal), it provides instant on-site status checks. The mechanical design requires no power, ensuring stable performance in harsh environments (-30°C to +60°C) with high accuracy and IP65 protection. Compliant with IEC standards, it is ideal for utility grids, industrial substations, and data centers seeking early leak detection and safe grid operation.
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Description:

Key Features

  • Direct Insertion Design: Long-stem insertion structure for direct gas chamber access, easy installation and reliable sealing for SF₆ switchgear.
  • Visual Status Indication: Red/green color-coded dial (0–0.2 bar: alarm, 0.2–1.0 bar: safe) for instant on-site pressure checks.
  • All-Stainless Steel Construction: 304 stainless steel body and stem, corrosion-resistant and vibration-proof for harsh outdoor environments.
  • Mechanical Reliability: No electrical components required, ensuring stable performance without power supply dependency.
  • Temperature-Compensated Accuracy: Maintains precise readings across -30°C to +60°C, unaffected by ambient temperature changes.

Core Components

  • Stainless Steel Gauge Body: Sealed, robust housing for pressure sensing and protection.
  • Long Insertion Stem: Directly accesses the gas chamber for accurate pressure measurement.
  • Color-Coded Mechanical Dial: Red/green scale for clear visual status recognition.
  • Sealing Interface: Specially designed threaded/sealed connection to prevent gas leakage.
  • Mounting Nut: Facilitates secure installation on SF₆ RMU and gas-insulated switchgear.

Technical Specifications

Parameter Specification
Measuring Medium SF₆ Gas
Measuring Range 0 – 1.0 bar
Reference Condition 20°C
Accuracy Class ±1.6% FS
Operating Temperature -30°C ~ +60°C
Installation Type Direct insertion (gas chamber mount)
Protection Grade IP65
Material Stainless Steel 304/316
Compliance IEC 60282, GB/T 11023

Application Scenarios

  • SF₆ Ring Main Units (RMU) & Inflatable Cabinets: Primary on-site pressure monitoring component for 12kV/24kV gas-insulated switchgear.
  • SF₆ Circuit Breakers & GIS: Integrated into high-voltage SF₆ equipment for visual pressure checks.
  • Power Maintenance & Safety: Enables quick on-site inspection for utility teams to detect gas leakage early.
  • No-Power Monitoring Scenarios: Ideal for applications requiring only mechanical visual indication without remote alarms.

OEM/ODM Services

We offer comprehensive OEM and ODM services tailored to your specific requirements. Should you require customized products, our professional team will provide full support to meet your needs.

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