QUALITROL XPRD Extra protection relief device
50% more tank protection during overpressure events
Mechanical overpressure protection device with integrated directional discharge outlet. Provides pressure relief and insulating fluid containment (requires optional piping) on transformers and load tap changers during overpressure conditions. Automatically reseals once pressure has fallen.
- Highest flow rate for quick relief of overpressure
- Standard integrated directional shield with 8 inch diameter outlet to maximize flow rate and control hot oil and gas discharge
- Corrosion resistant stainless steel directional shield, hardware, and operating valve
50% more tank protection during overpressure events
- Larger diameter throat and discharge outlet for increased flow
- Flow rate of 12600 SCFM -independently verified by third party or exceeds IEC and CE standards
- Dual spring-loaded valve for precise operation and reseal
- Patented single-piece, dual-acting gasket for quick, consistent operation with leak-free resealing
Reduce environmental impact and clean up
- Improved environmental protection with directed flow for easy clean up
- Optional piping can be used to discharge to containment vessels
Protect workers and assets from dangerous oil exhaust
- Directed flow with piped discharge dramatically minimized risk of hot oil reaching workers and equipment
- Improved environmental protection with directed flow for easy clean up
- Optional piping can be used to discharge to containment
Corrosion resistant construction
- Salt water resistant stainless steel cover and valve components
- Springs made from ASTM A229 oil-tempered spring wire with corrosion resistant epoxy/polyester coating in accordance with ASTM B117-90
- Alarm switch housing and mounting flange made from die-cast aluminum with chromate and polyester coating
- Aluminum alarm indicator assembly
Highly flexible installation
- Utilizes same bolt pattern as the industry standard QUALITROL large pressure relief device enabling direct retrofit
- Variety of alarm switches available to fit various alarm and wiring schemes
- Rotatable discharge outlet for easy installation of discharge piping
- Variety of discharge piping, flanges, and animal screens available
- Operating pressure, Gasket material, indicator style
- Up to 2 latching or momentary switches (singe or double pole form C, high DC, or low current gold contacts)
- Electrical connection style
- Gas bleed system
For overpressure protection on critical oil filled transformers, load tap changers, and other related electrical apparatus for maximum safety and environmental protection.