The TYPE IVE mechanical isolation valve guards against the passage of hot particles, glowing embers and flames.
The TYPE IVE mechanical isolation valve guards against the passage of hot particles, glowing embers and flames. It remains open until receiving a signal from either a pressure responder or an optical sensor that detects hazardous substances; it’s designed to close in milliseconds. Equipped with a wear indicator in its bladder, a liner wear alert activates a message on its controller if the bladder is exposed to abnormal wear. Available in sizes ranging from 4 to 16 inches normal diameter, the valve is actuated by compressed air.
BS&B Pressure Safety Management, LLC
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