Description
At SUCO ESI North America, we understand that precision, reliability, and durability are non-negotiable in the subsea industry. The PR3920 Differential Pressure Transducer is designed to meet these demands, offering highly accurate measurements in the harshest underwater environments. Whether it’s chemical injection control or hydraulic pressure monitoring, the PR3920 provides the performance you need to keep your subsea operations running smoothly and safely.
Features and Specifications
- Built to perform under extreme conditions
- Line pressure tolerance up to 690 bar (10,000 psi)
- Functionality at depths of 9,850 ft (3,000 meters)
- Designed to withstand the high pressures found in deep-sea environments
- Robust design ensures reliable operation in conditions where other systems might fail
Advanced Sensor Technology
Sensor Type: Silicon-on-sapphire technology, providing high precision and environmental resistance.
Diaphragm Material: Titanium alloy diaphragm ensures durability and excellent corrosion resistance.
Secondary Containment Pressure: 1,200 bar (17,400 psi) – designed to safeguard against extreme internal pressures.
Corrosion Resistance: NACE-compliant, offering superior resistance to the harsh, corrosive environments typically found subsea.
The combination of silicon-on-sapphire sensor technology and a titanium alloy diaphragm guarantees performance under high pressures and corrosive conditions. This makes the PR3920 a reliable workhorse for demanding subsea applications.
Electrical Characteristics
- Signal Output: 5-21mA, 2-wire for stable and consistent data transmission.
- Supply Voltage: 10-32 VDC, providing wide compatibility across various systems.
- Intrinsically Safe Option: Available for use in hazardous environments (flammable gases zone 0, dust zones 20).
- ATEX/IECEx Certification: Fully compliant with ATEX and IECEx standards, including M1 certification for mining operations.
With intrinsically safe configurations and ATEX/IECEx certification, the PR3920 ensures safety in explosive and hazardous environments, making it versatile for a variety of subsea and offshore applications.
Advantages of the Differential Pressure Transducer
The PR3920 Differential Pressure Transducer is engineered for maximum reliability in the most extreme subsea conditions. The result? A highly reliable sensor that can accurately monitor and control processes such as wellhead control valves and hydraulic pressure systems, even in the harshest conditions.
Applications:
- Subsea Wellhead Control Valves: Precision control of the fluid flow in subsea extraction processes.
- Hydraulic Pressure Monitoring: Continuous monitoring of hydraulic systems at extreme depths.
- Chemical Injection Control: Accurate dosing and injection of chemicals in subsea oil and gas extraction.
Download:
View Data Sheet (PDF)Â Â Â Â 
Atex Certificate
Contact SUCO ESI North America for technical support and application assistance. We serve the US, Canada, and Latin America.
Email: sales@sucoesi.com
Phone: 1-561-989-8499
Frequently Asked Questions (FAQ)
1. Why is the PR3920 Differential Pressure Transducer ideal for subsea environments?
The PR3920 was engineered specifically for demanding subsea conditions, capable of withstanding line pressures up to 690 bar and submersion depths of 3,000 meters (9,850 ft). Its advanced materials, including the titanium alloy diaphragm and silicon-on-sapphire sensor technology, ensure optimal performance even under extreme pressures and corrosive conditions.
2. Can I use the PR3920 in hazardous areas?
Yes, the PR3920 comes with an intrinsically safe option and is certified for use in hazardous environments. It is ATEX and IECEx certified for explosive atmospheres, including zone 0 (flammable gases) and zone 20 (flammable dusts), ensuring safe operation in volatile conditions.
3. How precise is the PR3920 for low-pressure measurements?
The PR3920 offers highly precise low-pressure differential measurements within a sensing range of 0-50 bar (0-750 psi). This makes it ideal for applications where high accuracy is critical, such as chemical injection control and hydraulic pressure monitoring in subsea operations.
4. How much external pressure can the PR3920 handle?
The PR3920 features a fully sealed housing capable of withstanding external pressures of up to 300 bar (4,350 psi), ensuring continued reliable operation even in deep-sea applications.
5. What are the primary uses for the PR3920 in subsea operations?
The PR3920 is typically used for monitoring subsea wellhead control valves, hydraulic pressure systems, and chemical injection processes. Its precise pressure measurements ensure safe and efficient operation in these critical subsea applications.
