Description
The Parker-Sporlan 700509-002 PSG-7S is a refrigeration sight glass designed for use in liquid line applications across commercial and industrial refrigeration systems. With a 7/8″ ODF connection, this sight glass provides a clear visual indication of refrigerant flow conditions and system moisture levels, helping technicians quickly diagnose system performance without interrupting operation.
Key Features
- Model: PSG-7S — part of the Parker-Sporlan PSG series sight glass line
- 7/8″ ODF (Outside Diameter Flare) connection for direct copper tubing installation
- Clear sight glass window for real-time visual monitoring of refrigerant flow
- Moisture indicator element signals wet or dry system conditions at a glance
- Rugged construction engineered for long-term reliability in refrigeration service
- Compatible with a wide range of common refrigerants
- Ideal for liquid line placement in commercial refrigeration and HVAC/R systems
Why Use a Sight Glass?
Installing a sight glass in the liquid line allows service technicians to visually confirm proper refrigerant charge, detect flash gas (indicating insufficient subcooling or low charge), and monitor system moisture content. The Parker-Sporlan PSG-7S makes routine system checks fast and straightforward — no additional tools required.
Product Specifications
- SKU: 700509-002
- Model: PSG-7S
- Brand: Parker-Sporlan
- Connection Size: 7/8″ ODF
- Connection Type: ODF (solder)
- Application: Refrigeration liquid line
Applications
- Commercial refrigeration systems
- HVAC/R liquid line installations
- Walk-in coolers and freezers
- Supermarket refrigeration racks
- Industrial process cooling
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