Pressure Relief Devices

  • QUALITROL 201/202/205 Small pressure relief devices

    QUALITROL 201/202/205 Small pressure relief devices

    Rugged design provides trouble-free over pressure protection

    Mechanical overpressure protection device provides pressure relief on transformers during overpressure conditions, automatically resealing once pressure has fallen. Available with a stainless steel pull ring attached to the to allow for manual operation. Optional port protection with cover for inhibiting matter from entering the valve body. more »

  • QUALITROL 206 MPRD Medium pressure relief device

    QUALITROL 206 MPRD Medium pressure relief device

    Compact protection of personnel and equipment

    Mechanical overpressure protection device provides pressure relief on transformers during overpressure conditions, automatically resealing once pressure has fallen. Available with a stainless steel shield and/or up to two sealed switches. more »

  • QUALITROL LPRD/208/213/216 Large pressure relief devices

    QUALITROL LPRD/208/213/216 Large pressure relief devices

    Confidence with the global standard in pressure relief devices

    Mechanical device for relief of excessive pressure buildup in large volumes of gas or fluid. Patented dual gasket system provides quick response time and automatically reseals after pressure has subsided. Options include local operation indication, contacts (switches) for operation alarming, and directional shield for hot oil and gas exhaust control. more »

  • QUALITROL XPRD Extra protection relief device

    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. more »

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Qualitrol produces thousands of different types of products on demand, customized to meet unique requirements. We are the global leader in sales and installations of transformer asset protection equipment, fault recorders and fault locators.

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Our certified instructors provide students with the comprehensive knowledge they need to operate our equipment in the real world. Each of our instructors is a field-tested, certified product expert, so you know you’re learning from the best. Sessions emphasize hands-on training so you spend less time talking and more time learning critical skills and expertise.

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