Isolation
Gate Valves
Gate valves for on/off isolation in pipeline, refinery, power and process piping.
Explore Gate Valves →Industrial Valve Manufacturer
Industrial Valve Manufacturer for Critical Flow Control
Gate, globe, check, ball, plug and butterfly valves for oil & gas, pipeline, power, petrochemical and industrial process projects.
Class 150–2500Pressure Range
API / ASMEDesign Standards
CS / SS / AlloyMaterials
RF / RTJ / BWEnd Connections
Project SupportRFQ Review
Valve Portfolio
Browse Valves by Type
Start with the valve function, then compare available designs, pressure classes, materials and end connections for your piping specification.
Tight Shutoff
Ball Valves
Floating, trunnion and fully welded ball valves for pipeline and process isolation.
Explore Ball Valves →Throttling
Globe Valves
Globe valves for shutoff and throttling in steam, utility and process service.
Explore Globe Valves →Backflow Prevention
Check Valves
Check valves for pump discharge, process lines, pipelines and utility systems.
Explore Check Valves →Isolation & Routing
Plug Valves
Lubricated, non-lubricated and multi-way plug valves for isolation and flow routing.
Explore Plug Valves →Compact Flow Control
Butterfly Valves
Concentric, double eccentric and triple offset butterfly valves for compact isolation.
Explore Butterfly Valves →Featured Valve Families
Core Industrial Valve Collections
Open a product family to compare pressure classes, typical materials, end connections, applications and RFQ requirements.
API 600 CAST STEEL GATE VALVES
API 600 / ASME B16.34
API 600 Cast Steel Gate Valves
2–48 in · Class 150–2500 · RF / RTJ / BW
View product range →API 6D TRUNNION BALL VALVES
API 6D / ASME B16.34
API 6D Trunnion Ball Valves
2–48 in · Class 150–2500 · Pipeline isolation
View product range →PRESSURE SEAL GATE VALVES
API 600 / ASME B16.34
Pressure Seal Gate Valves
2–36 in · Class 600–2500 · High-pressure service
View product range →DUAL PLATE CHECK VALVES
API 594 / ASME B16.34
Wafer Dual Plate Check Valves
2–48 in · Class 150–900 · Compact backflow protection
View product range →TILTING DISC CHECK VALVES
API 594 / ASME B16.34
Tilting Disc Check Valves
2–48 in · Class 150–2500 · Fast closure applications
View product range →TRIPLE OFFSET BUTTERFLY VALVES
API 609 / ASME B16.34
Triple Offset Butterfly Valves
3–72 in · Class 150–1500 · Metal seated isolation
View product range →Pressure Classes
Find Valves by Pressure Class
Available pressure classes depend on the valve design. Open the relevant product family to review size range, materials, end connections and application notes.
Class 150General process service
Class 300Moderate pressure
Class 600Higher-pressure service
Class 800Forged small-bore valves
Class 900High-pressure service
Class 1500+Critical high pressure
Project Support
Technical Data for Faster RFQ Review
Send the key project data—valve type, size, pressure class, material, end connection, service conditions, testing and operation—to speed up technical review and quotation.
Valve specification review
Material and trim selection
Pressure test requirements
PMI / NDE when specified
Project documentation
Export packing requirements
View Real Factory Photos →
Engineering Resources
Useful Before You Send an RFQ
Use our selection guides, comparison articles and RFQ checklists to prepare a clearer valve specification.
RFQ Guide
Class 600 Gate Valve RFQ Checklist
Key information to confirm before requesting price and delivery.
Comparison
Floating vs Trunnion Ball Valve
Compare support design, size, pressure and service requirements.
Connection Guide
RF vs RTJ Valve Ends
Understand how flange facing relates to the piping class and project specification.
Manufacturing Evidence
Real Factory. Real Valve Production.
See production-floor photos of valve assembly, testing, inspection, machined components and finished products. The Factory page gives buyers visual evidence to review alongside our certificates and quality documents.
Factory Floor
Inside YINKE Valve Manufacturing
Real workshop photography for buyer and vendor evaluation.
Verify More Than the Finished Valve
Review factory photos together with API / PED / ISO certificates, sample test reports and GA drawings.
Explore Factory & ManufacturingProject References
Valve Supply Experience Buyers Can Verify
Project references are more useful when they connect valve scope to real evidence. Review the valve packages we support, then cross-check our factory photos, inspection reports, material records and GA drawings.
01Industrial valve package scope02Real manufacturing photography03Inspection and test samples04Reference information on request
View Project References
BUYER VERIFICATIONFactory + Documents + Supply ScopeExplore Project References →
Verified manufacturing credentials
API 6D license, PED Module H, ISO management systems and third-party fire-test documentation are available for buyer review.
View Certificates & Quality Documents →API 6D license, PED Module H, ISO management systems and third-party fire-test documentation are available for buyer review.
Verified Company Evidence
Certifications Buyers Can Review
We publish genuine certification and sample quality documents so engineering and procurement teams can verify the manufacturing entity, certified scope and available documentation before RFQ.
API MonogramAPI 6D · License 6D-2157
Scope shown on the certificate: ball valves, check valves, gate valves and plug valves. Valid to March 6, 2028.
Pressure EquipmentPED 2014/68/EU · Module H
Quality system approval covering design and manufacture of ball, gate, globe and check valves within the published certificate schedule.
Management SystemISO 9001:2015
Certified scope covers design and manufacture of ball, gate, globe and check valves for market abroad.
Fire TestingAPI 607 / API 6FA
TÜV SÜD fire-test certificates are available for qualified ball valve designs and specific qualified size/class ranges.
EnvironmentalISO 14001:2015
Environmental management system certification for export valve design, manufacturing and related management activities.
Health & SafetyISO 45001:2018
Occupational health and safety management certification for export valve operations.
Have a Valve Datasheet or RFQ?
Send the valve list or project specification for technical and commercial review.