We Save Our Customers Time and Money

At our core, NWS is committed to maintaining a highly skilled workforce and dedicating resources to go the extra mile for our customers. Our commitment to quality and compliance with all regulatory requirements and industry best practices has allowed our customers to achieve extended in-service life of their valves. All safety-related work is performed in accordance with the NWS Quality Assurance Program which has been approved for use by nuclear utilities worldwide.

Over the last 25 years, NWS has built a comprehensive program including testing and repair of steam, air/gas/nitrogen, oil, and liquid relief valves. Moreover, we provide support services, including inspection, machining, welding, NDE, failure analysis, and technical support.

Testing & Certification

NWS’s broad test program covers an extensive array of air, liquid, and steam valves. We would love to work with you to develop a benchmark test procedure.

Repair & Refurbishment

NWS’s repair and refurbishment procedures ensure all components, inspection points, and assembly techniques are in line with industry best practices and OEM requirements.

Program Development

Utilizing our extensive library of test and repair procedures and protocols, NWS will work with you to generate a cost-effective repair and test program tailored to your unique valves, plant technical requirements, and objectives.

Technical Support & Field Services

NWS offers industry and code expertise as well as field services including valve program oversight, troubleshooting, installation, and repair and certification services. We also support custom projects upon request.


We provide temperature-controlled, locked, and monitored storage that meets the requirements of NQA-1 Subpart 2.2. We offer secure, Quality Assurance controlled parts storage in our warehouse.

We’re always ready to hear from you!

Whether it’s a service featured on our website or a custom project, we would love to hear more about how we can meet your needs. Send us an email or give us a call!