Crosby™ J Series Spring-Loaded Pressure Relief Valve

Crosby Series

J Series valves feature a simple design that provides high quality and reliable overpressure protection for air, gas, water vapor, steam, fluid and two-phase applications. Two new technologies are now available, namely balanced diaphragm and bellows leak detection.

Learn more about our products and contact us

Product details

ASME/NB certified for use in air, water and steam environments.
Fully compliant with all major international pressure relief standards including ASME VIII, XIII, API 526/527, EN4126 and PED/CE.
Highly customizable to meet most application requirements.
Replaceable parts reduce maintenance costs.
Complete nozzle configuration.
Simple and reliable design, easy to maintain.
Soft seat option provides superior seat tightness.
The discharge is adjustable to reduce product loss.
Limited lift available.
Wired or wireless pressure relief monitoring.
Crosby™ Balanced Diaphragm
- The back pressure handling capacity is increased by 20%, enhancing the reliability during back pressure impacts.
- A 15% increase in Kb factor allows the selection of smaller and/or fewer valves.
- 100 times more elastic than metal bellows, suitable for high-frequency circulation and ensuring safety.
- Balanced diaphragm upgrade kit for existing Crosby J Series replacements
Featuring Crosby™ bellows leak detection technology
- Instantly detect bellows ruptures and provide effective maintenance solutions.
- Can detect cracks as small as 0.0009in2 (D hole plate).
- Ensure that the bellows can operate in a balanced manner after rupture to enhance safety.
- Calculate leakage volume in real time for risk assessment and decision-making.
- Reduces bonnet exhaust leakage by over 90%.
- Bellows Leak Detection Upgrade Kit to easily enhance your existing Crosby J Series.

Crosby™ J Series Spring-Loaded Pressure Relief Valve

Related Product