Quality Assurance and Quality Control for Valves

As a global quality assurance company, Pro QC International promotes the interests of the valve industry through tailor-made quality assurance and quality control solutions such as third-party inspections, welding inspections and nondestructive testing (NDT).

From water distribution to nuclear power to pharma, and oil and gas, valves are critical devices for a myriad of industries. They help ensure safety by regulating and controlling process flows. Therefore, valve failures can lead to disruptions and incidents, and sometimes the fluids are quite hazardous or erosive, so the valve quality must be of utmost integrity and reliability. Moreover, valve suppliers and buyers need to adhere to the varying standards and regulations of different regions. This factor creates diversity in technical specifications due to the wide application of valves in various industries.

With nearly 40 years of experience, Pro QC International supports manufacturers and buyers of valves to assess high-quality standards. We qualify new suppliers, improve manufacturing performance, and inspect product quality. Our range of quality assurance and quality control solutions for valves includes factory audits, NDT, welding inspections, coating inspections, hydrostatic testing, dimensional inspection, factory acceptance testing (FAT), pre-shipment inspections (PSI), and many more.

Pro QC deploys local mechanical engineers, welding inspectors, and auditors, for long and short-term projects to support customers in controlling valve quality with NDT and third-party inspections in the USA, Canada, Mexico, Brazil, Argentina, Peru, Colombia, Italy, Portugal, UK, France, Germany, Spain, Poland, Norway, Denmark, Slovenia, Slovakia, Albania, Croatia, Czechia, Romania, Sweden, Switzerland, Belgium, Greece, Bulgaria, the Netherlands, Hungary, Finland, Turkey, UAE, Saudi Arabia, Jordan, Algeria, Morocco, South Africa, Egypt, Tunisia, China, Taiwan, Korea, India, Indonesia, Malaysia, Thailand, Vietnam, Azerbaijan, and many more countries.

With nearly 40 years of experience, Pro QC International supports manufacturers and buyers of valves to assess high-quality standards

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Our Valve Industry Coverage

Pro QC’s valve quality control and inspection services aim to answer the needs of the industry and cover the following types of valves and standards:

Types of Valves and Standards

Type valve Standard
Control valve GB/T 4213-2008, ASME B16 34
Ball valve GB/T 12237, API6D, API608, BS5351, DIN3357
Butterfly valve JB/5 8527, API609, ASME B16.34
Self-operated pressure regulator JB/T 11049-2010,ASME B16.34
Gate valve GB/T 12234, ASME B16.34, API 6D, API 600, API 602, API 603, DIN 3352
Globe valve GB/T 12235, ASME B16.34, API6 602, BS1873, DIN3356
Check valve GB/T 12236, GB/T 12235, API 594, API 602, BS 1808
Safety valve GB/T 12243-2005, API 520, API 526

Quality Assurance and Quality Control for Valves

Explore our range of independent audits and third-party inspection services for the valve industry below:

Manufacturing Audits & Advisory Services

Take advantage of our end-to-end comprehensive approach to improve your valve supply chain performance with the following quality solutions:

  • Manufacturing Process Audits
  • Process Improvement
  • Production Capacity Analysis (Run & Rate)
  • Quality Investigation (root cause investigation of a defective product)
  • Root Cause Analysis
  • Corrective Action Follow-Up
  • Process Failure Mode Effects Analysis (PFMEA)
  • Continuous Improvement

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Supplier & Factory Audits

Pro QC supports the valve industry with factory audit solutions such as:

  • Supplier Verification
  • Supplier Quality Audits
  • ISO 9001 Quality Management System Audits
  • ISO 14001 Environmental Management System Audits
  • ISO 45001 Management Systems of Occupational Health and Safety Audits
  • Social Accountability Audits
  • Supply Chain Security Audits
  • Combined Audits

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Valve Inspection Services

Our range of third-party inspections for valves includes the following:

  • First-article inspections (FAI) are performed prior to mass production. Valve properties are measured and compared to specifications to verify quality matches.
  • In-process inspection (IPI) ensures that the processes and techniques used to manufacture valves are followed.
  • Pre-shipment inspections (PSI) verify the conformity of valves to specifications before shipping. Inspectors evaluate workmanship, functionality, packaging, labeling and other criteria as required.
  • Container Loading Supervision (CLS) ensures that proper methods are employed during valve loading, and counts are verified on-site.
  • Welding Inspections
  • Coating Inspections
  • Non-Destructive Testing (NDT)
  • Hydrostatic Testing
  • Factory Acceptance Test (FAT)

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Supplier Management

Pro QC’s Supplier Management Solutions enhance compliance and performance of the entire supplier portfolio by:

  • Performing an on-site risk assessment
  • Establishing a corrective action plan
  • Verifying corrective action implementation through detailed follow-up activities
  • Scheduling subsequent annual visits based on supplier risk level
  • Providing a supplier portfolio dashboard and performance analysis

Our supplier management team will create a customized checklist that meets exacting requirements. The supplier management service is particularly suitable for small QA teams with a large supplier base across the globe. Pro QC assists these teams to investigate and resolve compliance and quality issues in a timely and cost-effective manner.

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Services by Fabrication Stage

Explore our range of services by fabrication stage below to understand how we can support at the current stage of development:

1.Raw Material
2.Machining
3.Assembly
4.Painting / Finish
5.Packing
6.Shipment

Raw Material - Pro QC Service

Chemical analysis of steel casting rods, forging parts, nuts, bolts, tubing and pipes
Mechanical analysis: Tensile strength, hardness analysis

Machining - Pro QC Service

Dimensional inspection
Visual inspection
Hydrostatic test (Bonnet: No leakage)

Assembly - Pro QC Service

Hydrostatic check on Low pressure
Functionality
Torque tests
Penetrant test on welding

Painting / Finish - Pro QC Service

Hydrostatic check on low pressure
Visual check
Hydrostatic test on seats
Pneumatic testing of tightened seats

Packing - Pro QC Service

Pre-shipment Inspection
Container Loading Supervision

Shipment - Pro QC Service

Container Loading Supervision

Why Pro QC International?

Partnership

Pro QC genuinely sees your company and your suppliers as partners looking for growth and improvement. We do not just give pass/fail results. We provide professional recommendations, facilitation, and performance management to achieve the desired results.

Quality Dashboard

Pro QC’s Quality Dashboard provides a holistic dashboard view of your supplier portfolio including data analytics to better understand and determine the next action required at your supplier.

Experience & Expertise

Pro QC has overseen successful supplier transformation projects which have helped companies from the valve industry to achieve their quality goals.

Global Presence

Pro QC has agile teams of electrical and mechanical engineers in more than 88 countries ready to meet your quality assurance needs whether it is a third-party inspection of valve production or a comprehensive audit.

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    Stability

    Pro QC has been providing quality assurance, engineering and consulting services since 1984.

    Global Presence

    We offer quality solutions in over 88 countries and we are continuously expanding our network.

    Timely Feedback

    We offer online reporting and detailed reports within 24 hours of job completion.

    Quality Experts

    Our global engineering team has the requisite industry expertise to verify quality and conformance.

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