China's Valve Quality Inspection

Quality

Industrial Valve Quality Control

Valve Production Quality Inspection

Superior quality control is originated from advanced technology and equipment in line with international standards. Excellent modern digital fabrication equipment and unique process ensure our valve products. TIANYU are committed to quality and individual design to achieve the requirements of industrial modernization and pursue further progress.

The Tianyu quality control team carries out inspections in every step like casing, assembly, painting, packing and shipment, all pressure tests are in conformity with API598, API6D, API609,API527 and DIN3230 standards. The third party test is also welcome to insure the quality.

Casting Quality
Casting Quality
Hardness Test
Hardness Test
VALVE PMI
PMI
Pressure Test
Pressure Test
wall-thickness-test
wall-thickness-test
Sealing Surface
Sealing Surface
Low leakage detection
Low leakage detection
Low temperature test
Low temperature test
High Pressure Gas Test
High Pressure Gas Test
UT Inspection
UT Inspection
Painting Inspection
Painting Inspection
Package Protection
Pressure Test

Ensuring Quality and Reliability, Our Industrial Valves Undergo Rigorous Quality Control Measures, Including Various Tests and Inspections.

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Order and Design Phase

Order and Design Stage: Customer requirements are determined, design is approved, order is placed, and production preparation begins.

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Inventory Phase

Order and Design Stage: Customer requirements are determined, design is approved, order is placed, and production preparation begins.

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Completion of Checklist Phase

Completion of Checklist Stage: Before production, check that all materials and resources are ready to ensure smooth production flow.

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Production Process

Production Process: Based on the design, manufacture the main valve components through precision machining, casting, and other techniques.

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Assembly Phase

Assembly Stage: Assemble the manufactured components into a complete valve and perform an initial functional check.

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Pressure Testing Phase

Pressure Testing Stage: Conduct pressure testing on the assembled valve to ensure its sealing performance and reliability under high pressure.

ISO9001 API CE Certified Valve Manufacturer

TIANYU Valves implements a 6-Stage quality control system, including pressure testing and material analysis, to ensure industrial valves meet ISO/API/CE standards. Our quality inspection team, with over 10 years of industrial valve expertise, ensures every product meets global standards (ISO 9001, API6D, API609 CE).

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Experienced Quality Inspection Team

With over 10 years of experience in the industry, our expert team of quality inspectors has the right skill set to ensure our valves pass global standards

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Professional Laboratory

Product and material testing is handled in-house via our testing laboratory, equipped with the latest testing equipment comparable to third-party professional facilities.

VALVE CASE

Experienced Quality Inspection Team

With over 10 years of experience in the industry, our expert team of quality inspectors has the right skill set to ensure our valves pass global standards

ISO 9001-2015
API6D

Frequently Asked Questions About Valve Quality Control

  • Q: What international standards do your valves comply with?
    A: All TIANYU valves meet ISO 9001, API 6D, and CE standards, with optional NACE MR0175 for corrosive environments.
  • Q: How long does the pressure testing process take?
    A: Each valve undergoes a 4-hour pressure hold test at 1.5x the rated pressure to simulate extreme conditions.
china industrial valve manufacfuer&Supplier

TIANYU Quality Control Procedure

TIANYU Quality Control Procedure TIANYU Valve, quality is always at the forefront of our operations. We are fully committed to delivering industrial valves that excel in performance, quality, safety, and reliability. To uphold these standards, we have implemented a robust quality assurance system that aligns with the ISO 9001 quality assurance standard.

Our attention to detail in every processing step ensures the highest quality products. Our goal is to be the customers’ preferred choice for unique and innovative valve solutions that cater to their specific needs.

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