Valve Engineering Resources and Service Overview #
Welcome to our dedicated support section, where we provide a wide range of technical resources and professional services to assist with your valve selection, operation, and maintenance needs. Our goal is to ensure you have access to the essential information and expert support required for optimal valve performance.
Quick Reference Downloads #
Access a comprehensive library of technical documents designed to support your engineering and operational requirements. Each resource is available for direct PDF download:
| No. | File Name | PDF Download |
|---|---|---|
| 1 | Trim No. | Download |
| 2 | Face-to-Face Comparison | Download |
| 3 | Face-to-Face Basic Series in EN 558 | Download |
| 4 | Materials Data Sheet for Valves | Download |
| 5 | Temperature & Pressure for Common Materials | Download |
| 6 | Abbreviation for Valves | Download |
| 7 | International Standard List for Valves | Download |
| 8 | Operation & Maintenance Manual | Download |
| 9 | Manual for Knife Gate Valves | Download |
| 10 | Cv Value | Download |
| 11 | Valve Selection Guide | Download |
| 12 | Strainer Screen Size and Mesh Designation | Download |
| 13 | Butt Welding Ends Dimension Table | Download |
| 14 | Flange Dimension Table in EN 1092-1 | Download |
| 15 | Torque Data | Download |
Valve Testing Services #
As part of our comprehensive valve engineering solutions, we offer precise valve pressure testing services for a wide range of valve types. All testing is conducted in accordance with international standards or specific customer requirements. Upon completion, detailed testing reports or certificates are provided, supported by our experienced engineering team.
Testing Capabilities:
- Size Range: 1/2" to 60" (DN15 to DN1500)
- Pressure: Up to ASME Class 2500
- End Connections: Flange End, Butt Welding End, Socket Welding End, Threaded End
- Test Types: Hydraulic Pressure Test, Air Pressure Test, Low Emission Test (CH4 & Helium), Material Test
Additional or specialized valve tests can be arranged upon request. For tailored testing solutions, please contact us.
Valve Repair and Maintenance Services #
Our engineering team brings extensive design and onsite experience to provide both onsite and workshop-based valve repair and maintenance services. We support all valve types and brands, ensuring reliable operation and extended service life.
Repair Services Include:
- Inspection
- Machining
- Welding
- Packing & Gasket Replacement
- Testing
- Documentation
For a complete overview of our repair solutions, please contact us.
Contact Information #
- Address: No.5, Ln. 561, Sec. 9, Xiangshang Rd., Wuqi Dist., Taichung City 435, Taiwan
- Email: intl.sales@ni-co.com (International Customer)
- TEL: 886-4-26301188 / 886-4-26306687
- FAX: 886-4-26306657
For further assistance or to discuss your specific requirements, please contact us.