Crosby, an Emerson brand, is a world-renowned leader in pressure relief technology, providing high-quality valves that ensure plant safety and operational reliability across industries such as oil & gas, petrochemical, power generation, and refining. With over a century of engineering expertise, Crosby has set the global standard for safety relief valve design and performance.

Crosby Valve Product Portfolio

• Spring-Loaded Safety Relief Valves – Reliable solutions for overpressure protection in process and power applications.

• Pilot-Operated Relief Valves (PORVs) – High-capacity valves for precise and efficient pressure control.

• High-Performance Safety Valves – Engineered for demanding conditions such as steam, gas, and liquid services.

• Pressure & Vacuum Relief Valves – Designed for storage tanks and process vessels.

• Specialty Valves & Accessories – Tailored safety solutions for unique customer requirements.

Featured Crosby Products

• Crosby J-Series Safety Relief Valves – Industry-proven, versatile, and widely used across energy and process industries.

• Crosby Pilot-Operated Valves – Offering exceptional accuracy, tight shut-off, and reduced maintenance needs.

• Crosby API Safety Valves – Designed to meet strict international standards for refinery and petrochemical plants.

SUNUP Advantage

At SUNUP, we bring added value to Crosby products with:

• Fast global sourcing & delivery, ensuring critical safety valves are available when you need them.

• Competitive pricing that helps reduce total project costs.

• Technical consultation to match the right Crosby valve with your application.

• After-sales support for installation, maintenance, and long-term operation.