JOHN-VALVE MFG. FACTORY CO., LTD is a leading Steel and Special Alloy valves manufacturer based in Taiwan since 1981.
JOHN-VALVE supplies reputable industrial valves that are widely used in:
Refinery, Chemical, Petro-chemical, Oil & Gas, Oilfield, Marine, Shipbuilding, Mining, Pulp & Paper, Water & Wastewater, Pharmaceutical, Biotech, Food & Beverage industries. We serve in global market projects. Today, we export to over 80 countries throughout the world.
JOHN-VALVE offers extensive range of top-quality valves for your projects solution.
Specialized for critical environment valve’s applications in High & Low temperature, abrasive and hazard services.
Our products are designed and manufactured according to ANSI and JIS and EU European standards and customized requests.
High pressure Ball Valve
Metal Seated Ball Valve
Fire Safe Ball Valve
ATEX Ball Valve
Cryogenic Ball Valve
Double Block and Bleed Ball Valve
Marine Ball Valve
We have experience in cooperating successfully with EPC companies worldwide.
Welcome All Global Distribution Network cooperation & Project Inquiry!
John Valve provides quality valves, completes project valves solution, and customizes special alloys castings /forging parts.
All 3rd party and marine approved certifications guarantee perfect quality assurance from John Valve.
CE/PED 2014/68/EU-Module H
AD2000-Merkblatt W0, PMA
API-607/ISO-10497, BS 6755,
BS 6364 Cryogenic Test Certified.
Marine Classification Societies approved in Lloyd’s Register, DNV-GL, Bureau Veritas.
In-plant Testing Laboratory Capability:
3D coordinate measuring machine,
Air & Hydrostatic Testing
Chemical Analysis, PMI test
Tensile & Charpy impact test
Cryogenic test, Life cycle test
NDT- Dye penetration testing and X-Ray testing.
We offer the best service and professional sales team; holds a comprehensive inventory in house to ensure the punctual delivery ; possesses well-educated mechanical engineers for solving the technical issues; continuously innovate new products with research and development; increasing our customer service to a higher level.
The best quality and service are John-Valve’s commitment to all of our dear customers worldwide
With your support, John Valve will continue to guarantee excellence in the industry.
Whenever you need us, John-Valve serves you! Please feel free to send us your inquiry!