Ldi Industries G325-4 Vented Oil Level Indicator Gauge

Product Description

The LDI INDUSTRIES G325-4 is a vented oil-level indicator and gauge designed for monitoring fluid levels in industrial and mechanical equipment reservoirs. The unit measures 12.5 inches in length and connects via a straight male thread fitting with a 0.5 inch thread size. The sight gauge uses a Buna-N seal, which provides reliable resistance to petroleum-based oils and common hydraulic fluids. This type of indicator is installed by maintenance technicians and industrial mechanics on gearboxes, compressor sumps, pump housings, and similar oil-wetted equipment where continuous visual fluid-level monitoring is required.

The G325-4 is suited for stationary industrial equipment applications where a straight male thread connection is already present or specified. The vented design allows for accurate level reading by equalizing internal pressure with ambient conditions. It fits reservoir housings threaded for a 0.5 inch connection and is appropriate for installations requiring a 12.5 inch sight length across a range of light to medium industrial machinery.

Key Features

• 12.5 inch sight length provides extended oil-level visibility across the reservoir window
• 0.5 inch straight male thread connection for direct installation into threaded reservoir ports
• Buna-N seal material offers compatibility with petroleum-based oils and common hydraulic fluids
• Vented design equalizes pressure for accurate fluid-level readings
• Single-unit packaging with a minimum order quantity of one

Compatibility

Designed as an OEM-style replacement or direct-fit sight gauge for industrial equipment reservoirs and housings that accept a 0.5 inch straight male thread oil-level indicator.

Installation Notes

Installation is typically performed by a qualified industrial mechanic or maintenance technician. The equipment must be shut down and the reservoir depressurized and drained to a safe level before removing or installing the sight gauge. Use appropriate thread sealant compatible with petroleum-based fluids and avoid overtightening to prevent thread damage to the housing. Verify the Buna-N seal is fully seated before returning the system to service.