Standard Check Valve
XURI is a standard check valve manufacturer supplying API and BS compliant backflow prevention solutions for pump protection, steam systems, and industrial pipeline applications.
Designed to BS 1868 and API 598 standards, these valves protect pumps, compressors, and downstream equipment from reverse flow damage. Available in bolted bonnet or pressure-seal bonnet designs for high-parameter applications.
Engineering Advantages:
- Fast response against reverse flow
- Reduced water hammer risk
- Available in bolted bonnet and pressure-seal designs
- Renewable seat rings for extended service life
- 100% shell and seat tested per API 598
Typical Applications
- Boiler feedwater pump discharge
- Main steam non-return valves
- Extraction steam check valves
- Turbine extraction line protection
- High-pressure feedwater heater check
Technical Specifications
| Design Standard | BS 1868 / API 598 |
| Pressure Class | Class 150 - Class 2500 |
| Size Range | DN15 - DN600 (1/2" - 24") |
| Body Materials | WCB, WC6, WC9, CF8, CF8M |
| Bonnet Design | Bolted Bonnet, Pressure-seal Bonnet |
| End Connections | Flanged (RF/RTJ), Butt-weld |
Standards & Certifications
- BS 1868 - Check valve design
- API 598 - Testing standard
- ISO 9001 - Quality management
- NACE MR0175 - Sour service
Why Choose XURI
Manufacturing Capability
XURI operates professional valve manufacturing facilities with in-house casting capability and an annual production capacity of 6,000 tons.
Quality Assurance
Complete inspection process including PMI, NDT, hydrostatic testing, and dimensional inspection ensures product reliability.
Engineering Experience
Supporting severe service applications including power generation, oil and gas, chemical, and energy projects worldwide.
Global Supply
Products supplied to EPC contractors, distributors, and industrial projects across 30+ countries, with factory-direct pricing and on-time delivery.
FAQ
What standards do XURI standard check valves comply with?
XURI standard check valves are designed to BS 1868 and tested per API 598 requirements.
What is the maximum pressure rating available?
Standard check valves are available from Class 150 to Class 2500 for high-parameter applications.
Can XURI supply pressure-seal bonnet check valves?
Yes. XURI offers both bolted bonnet and pressure-seal bonnet configurations for different pressure requirements.