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HUANQIU | WILL JOIN The 12th Central Asia Oil and Gas Exhibition
HUANQIU | WILL Join The 12th Central Asia Oil and Gas Exhibition
넶102 2026-04-14 -
HUANQIU | Successfully Ships Ultra-Large Bore Hydraulic Gate Valves for Thermal Power Project in Southeast Asia
WENZHOU, China – April 02, 2026 – HUANQIU VALVE GROUP, a global leader in the design and manufacture of high-performance industrial valves, today announced the successful shipment of a batch of custom-engineered Hydraulic Gate Valves with ultra-large diameters, destined for a major thermal power plant project in Southeast Asia.
넶605 2026-04-07 -
HUANQIU | Showcase Advanced Solutions at NEFTEGAZ 2026
MOSCOW, Russia – Mar 10, 2026 – HUANQIU VALVE GROUP, a leading global manufacturer of industrial valves, is pleased to announce its participation in NEFTEGAZ 2026, held from Mar 02, 2026 at the Expocentre Fairgrounds in Moscow. As the most significant oil and gas industry event in Russia and the CIS, NEFTEGAZ provides a vital platform for connecting with industry professionals.
넶180 2026-03-12
Introduction
In the demanding world of industrial fluid control, reliability and longevity are non-negotiable. Introducing our 'Fluorine-Lined Diaphragm Valve' —engineered for excellence and rigorously tested to exceed the toughest industry standards. Through our advanced 'Life Cycle Testing Program', we demonstrate why our valves are the trusted choice for corrosive and high-purity applications.
Why Life Cycle Testing Matters
Diaphragm valves are critical components in industries such as chemical processing, pharmaceuticals, semiconductors, and water treatment. Failure can lead to costly downtime, safety hazards, and compromised product quality. Our life cycle testing simulates years of real-world operation in a controlled environment, validating performance, resilience, and consistency.

Rigorous Testing Protocol
Our comprehensive testing program subjects fluorine-lined diaphragm valves to extreme conditions:
- Cyclic Endurance: Repeated opening and closing to make sure Diaphragm quality is good.
- Corrosion Resistance: Exposure to aggressive media, including acids, alkalis, and solvents.
- Pressure Testing: Sustained performance at peak pressure ratings (e.g., 10 bar) with zero leakage.
- Diaphragm Integrity: Evaluation of PTFE/PFA diaphragms for flexibility, wear resistance, and failure thresholds.
Key Results: Setting New Benchmarks
Our valves consistently achieve:
- 35,000+ cycles without performance degradation.
- Zero leakage per ISO 5208 Standard Rate A.
- Minimal maintenance requirements thanks to robust design and premium materials.
- Consistent flow control even after prolonged exposure to corrosive fluids.

Why Choose Our Fluorine-Lined Diaphragm Valves?
- Superior Material Science: PTFE/PFA lining ensures exceptional chemical compatibility.
- Innovative Diaphragm Design: Reduces stress concentration and extends service life.
- Engineered for Safety: Fail-safe operation and minimal risk of contamination.
- Customizable Solutions: Tailored configurations for specific applications.
Applications
Ideal for handling:
- Aggressive chemicals (acids, bases, solvents)
- Ultra-pure water and pharmaceuticals
- Abrasive slurries and viscous fluids
- High-purity gases in semiconductor manufacturing

Commitment to Quality
Our valves are manufactured under strict quality controls and comply with international standards (ISO, ANSI, ASME). Every valve is backed by documented test data and certifications.
