Boiler Pressure Vessel Pressure Relief Valve Crosby HE HCI HSJ HSL HCA Direct Spring Safety Relief Valves

The Crosby H Series Direct Spring Safety Valves are precision-engineered to provide unmatched overpressure protection for steam safety applications. Compliant with ASME Boiler and Pressure Vessel Code Section I (V Designator) and Section VIII (UV Designator), these valves are ideal for high-pressure steam systems in power plants and industrial facilities. Featuring ISOFLEX seat technology for superior tightness up to 93% of set pressure and a two-ring control system for precise adjustments, the H Series ensures safety, efficiency, and durability. With a wide range of sizes and pressure ratings, it’s a top choice for critical steam applications worldwide.

• Precision Control: Two-ring system for accurate set pressure and blowdown adjustments.
• Advanced ISOFLEX Seat: Ensures tightness up to 93% of set pressure (consult factory for higher tightness).
• ASME Compliance: Certified for steam under ASME Section I and VIII standards.
• Full Nozzle Design: Flanged option enhances durability and ease of installation.
• Customizable Capacity: Restricted lift option for tailored flow rates.
• High Temperature Resilience: Operates reliably up to 1130°F (610°C).
• Low Maintenance Design: Self-draining construction minimizes corrosion and wear.
• Global Trust: Backed by over 140 years of Crosby’s expertise in pressure relief.

The Crosby H Series valves excel in precision steam safety applications:

• Power Plants: Ensures safety in steam drums, superheaters, and reheaters.
• Petrochemical Industry: Protects steam-based processes in refineries.
• Industrial Facilities: Safeguards high-pressure boiler systems.
• Energy Sector: Manages overpressure in steam turbines and economizers.
• Process Industries: Supports steam safety in chemical and manufacturing plants.

Its ASME certification, ISOFLEX seat, and two-ring control ensure precise and reliable steam pressure relief.

It allows precise adjustments to set pressure and blowdown for optimal performance.

Yes, it is designed for temperatures up to 1130°F (610°C).

The robust construction and self-draining design minimize wear and maintenance needs.

Yes, the restricted lift option allows customization for specific flow requirements.

Contact our team for inquiries about the Crosby H Series Safety Valves, pricing, or to schedule a demo:

• Email: sales@emerson.com
• Phone: +1-201-934-9200
• Website: www.emerson.com
• Support: Emerson Support

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• Emerson Pressure Relief Valves: Comprehensive range for various industrial needs.
• Crosby Valve Repair Services: Maintenance and repair for pressure relief valves.