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  • Crosby Style JQ Pressure Relief Device
Crosby-P-Style JQ and JQU

Crosby Style JQ Pressure Relief Device

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Product Description

A combination pressure relief device designed with internal parts completely isolated from corrosive fluids and environments

Features

  • Designed in collaboration with the Chlorine Institute, Inc.
  • Provides reliability and safety beyond that possible with a conventional pressure relief valve.
  • Inlet and outlet diaphragm seals effectively prevent the corrosion of internal working parts and the escape of fugitive emissions.
  • Choice of 1½” and 4" (38 and 100 mm) inlet sizes.
  • 1½” (38 mm) model equipped with a special Chlorine Institute-approved inlet flange and metal-to-metal seat.
  • Optional 1½” 300 lb ANSI raised face flange adapter and elastomer O-ring seat available for exceptional tightness.
  • 4" (100 mm) model standard with 4" 300 lb ANSI large tongue-faced inlet flange and metal seat
  • Raised-face flange available as an option.
  • Association of American Railroad Approval Nos. SRD-989034 and SRD-989035.

Documents & Drawings