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Fisher Control Valves
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AEV Severe Service Isolation Valves
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Anderson Greenwood Safety Relief Valves
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Hydro-Thermal
dataPARC
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Globe Valves
Three Way Valves
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Sanitary Valves
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Control Valves
Back
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Triple Offset Valves
Butterfly Valves
Ball Valves
Gate Valves
Globe Valves
Check Valves
Angle Valves
Lined Valves
Knife Gate Valves
Isolation Valves
Back
Pressure Management
Regulators
Pressure Relief & Safety Valves
Flame and Detonation Arrestors
Tank Vents and Hatches
Bulk Storage and Transport Equipment
Steam Traps
Pressure Management
Back
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Digital Valve Controllers
Discrete Valve Controllers
Level Sensors and Controllers
Configuration & Diagnostic Software
Positioners
Pneumatic Pressure Controllers
Transducers
Controllers Instruments Accessories
Switches & Position Sensors
Accessory Valves
Boiler Level Instrumentation
Jet Pumps / Eductors
Valve Controllers & Instruments
Back
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Pneumatic Actuators
Hydraulic Actuators
Gear Operators
Valve Operating Solution VOS
Actuator Accessories
Valve Actuation & Accessories
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Safety Instrumented Systems
SCADA Systems
BioReactor Control Systems
Control and Safety Systems
Back
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Machinery Health Management
Asset Monitoring
Field Device Management
Operations Analytics
Asset Reliability
Back
Operations and Business Management
Manufacturing Execution Systems
Midstream Oil and Gas Applications
Reservoir Management Software
Upstream Oil and Gas Applications
Digital Twin Software
Operations and Business Management
Back
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Air Preparation
Cylinders & Actuators
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Turnaround Support - Isolation Valves
Leak Detection
PM Services
Pressure Relief Valve Service & Repair
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Back
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On Demand Service - Control Systems
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Products
Pressure Management
Pressure Relief & Safety Valves
Crosby Style JQ Pressure Relief Device
Overview
A combination pressure relief device designed with internal parts completely isolated from corrosive fluids and environments
Resources
PDF
Size: 963kb
Data Sheets & Bulletins
Data Sheets: Style JQ pressure relief device, Crosby-EN
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.