Penberthy RLC and TLC Low Pressure Flat Glass Gauges provide direct liquid level measurement for petroleum, chemical, and general process applications. These large chamber flat glass gauges help operators read liquid level visually, without electrical power or a separate signal.
The RLC model uses a reflex-style gauge design. It provides a clear level reference through a single vision slot. The TLC model uses a transparent-style gauge design. It allows operators to view both liquid level and liquid characteristics through vision slots on both sides.
Both models combine forged covers with a large cylindrical chamber. This design helps improve level visibility in turbulent vessel conditions. It also simulates the function of a stilling well and creates a larger liquid column than standard gauge designs.
The Penberthy RLC and TLC gauges suit applications where teams need direct local indication. They can also help verify other level instrumentation. In addition, they support multiple process liquids because operation does not depend on density, conductivity, dielectric properties, or surface turbulence.
Westech Industrial supplies Penberthy RLC and TLC flat glass gauges in Western Canada (BC, AB, SK). Our team can support product selection, service requirements, and application review. Westech can also help with custom fabrication and integrated project support when the gauge forms part of a larger measurement, monitoring, or process system.
Quantity
PRODUCT FEATURES
REQUEST FOR INFORMATION
Description
Direct Visual Level Reference
Penberthy RLC and TLC flat glass gauges give operators a direct visual reference for liquid level. This helps teams confirm vessel conditions locally and quickly. Since the gauges do not require electrical power, they also support remote installations where power may not exist. In addition, they continue to provide a visual reference during power interruptions.
The non-intrusive design helps teams monitor liquid level without adding electrical components to the measurement point. As a result, operators can rely on a simple, easy-to-understand level indication method for many process applications.
RLC Reflex Gauge for Clear Level Indication
The Penberthy RLC model uses a reflex-style gauge design. Light enters through a single vision slot and interacts with prisms in the glass. Above the liquid level, the glass reflects light back to the observer and appears silvery. Below the liquid level, the liquid changes how light moves through the prisms. This area typically appears dark to the observer.
This contrast helps operators identify the interface between liquid and gas. For opaque liquids, the liquid may appear as a solid column of colour at the prism surface. Therefore, the RLC model works well when teams need a straightforward visual level reference.
TLC Transparent Gauge for Liquid Viewing
The Penberthy TLC model uses a transparent-style gauge design with vision slots on both sides. Light enters from the opposite side of the observer. This allows operators to see both liquid level and liquid characteristics.
The TLC model can support applications where visual inspection matters. It may also suit interface applications. In darker environments, teams can add illuminators to make liquid observation easier. Additionally, optional shields can help prolong glass life in corrosive applications.
Large Chamber Design for Turbulent Applications
The RLC and TLC gauges use a large cylindrical chamber. This design helps reduce flashing and boiling effects. It also supports accurate level indication in applications with turbulent liquid surfaces.
The large chamber design provides a liquid column with greater cross-sectional area than standard gauges. As a result, the gauge can deliver a more stable visual reference in challenging vessel conditions. This makes the Penberthy RLC and TLC flat glass gauges a strong choice for petroleum, chemical, and process industry applications.
Flexible Materials and Configuration Options
Penberthy RLC and TLC gauges offer carbon steel and 316/316L stainless steel options. NACE material options can support sour gas service for wetted and environmental components. Standard gasket and cushion materials include Garlock IFG-5500, with other material options available.
The gauges also offer several connection configurations, including end, side, and back connections. Threaded, socketweld, and flanged connection types are available. Optional accessories include illuminators, non-frost extensions, spring washers, cold insulation, heat tracing, support brackets, and scales.
Applications
Penberthy RLC and TLC flat glass gauges support direct liquid level measurement in process environments. They are designed for non-steam/water applications and can help operators verify level conditions at the vessel.
- Petroleum processing
- Chemical processing
- General process industries
- Turbulent liquid level applications
- Transparent liquid applications
- Interface applications with TLC transparent gauges
- Remote sites without electrical power
- Applications requiring local visual level verification
- Sour gas service when selected with suitable NACE materials
- Corrosive environments when selected with suitable materials and options
Documents
Manufacturer Info
Penberthy is a trusted process instrumentation manufacturer known for direct reading liquid level gauges, flat glass gauges, gaugecocks, and related accessories. Its products support petroleum, chemical, natural gas, and general process applications where reliable visual level indication is required.
Website: https://www.penberthyprocess.com/
