Premium Industrial Valves from China

Kolink Valve is a trusted manufacturer of high-performance industrial valves including Knife Gate Valves, Ball Valves, Gate Valves, Butterfly Valves, Check Valves, and Globe Valves. Engineered for reliability in oil & gas, mining, chemical, water treatment, and power generation industries.

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Knife Gate Models

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Ball Valve Types

21+

Gate Valve Series

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Globe & Check

About Kolink Valve

As a leading valve manufacturer from China, Kolink Valve delivers high-quality, API-certified industrial valves to clients worldwide. With decades of engineering expertise, we specialize in precision-crafted solutions for demanding applications.

Manufacturing Excellence

Our modern production facility integrates advanced CNC machining, automated welding, and rigorous quality control to ensure every valve meets international standards.

Global Certifications

All Kolink valves comply with API, ASME, BS, DIN, and ISO standards. We are committed to delivering fire-safe, leak-proof, and long-lasting valve solutions.

Worldwide Support

Serving clients across North America, Europe, Asia, and the Middle East, Kolink Valve offers responsive technical support and fast delivery times.

Our Product Range

Explore our comprehensive catalog of industrial valves designed for high pressure, extreme temperatures, corrosive environments, and critical flow control applications.

Cryogenic Forged Steel Gate Valve

Sizes: 2" - 36" (DN50-DN900)
Pressure: Class 150 - 2500
Materials: A105, F11, F22, CF8M
Features: Extended bonnet, LNG-ready

API 602

3-Piece Stainless Steel Ball Valve

Sizes: 1/2" - 4" (DN15-DN100)
Pressure: Class 150 - 600
Materials: SS304, SS316, CF8M
Ends: BSP, Socket Weld, NPT

Fire-Safe

Fire Protection Butterfly Valve

Sizes: 2" - 48" (DN50-DN1200)
Pressure: Class 150, PN16
Seating: Resilient EPDM/NBR
Features: Tamper switch, UL/FM approved

UL Listed

O-Port Knife Gate Valve

Sizes: 2" - 24" (DN50-DN600)
Pressure: Class 150, PN16
Body: Cast Steel, Ductile Iron
Sealing: Bubble-tight, U-seal design

Bi-Directional

Low Temperature Gate Valve

Sizes: 1/2" - 24" (DN15-DN600)
Temp: Down to -196°C
Materials: LF2, F316, CF8M
Standards: API 602, BS 5352

Cryogenic

Forged Steel Globe Valve

Sizes: 1/2" - 12" (DN15-DN300)
Pressure: Class 150 - 2500
Materials: A105, F11, F22, F316
Design: Rising stem, OS&Y

API 602

PTFE-Sleeved Plug Valve

Sizes: 2" - 24" (DN50-DN600)
Pressure: Class 150 - 2900
Body: WCB, CF8, CF8M
Feature: Non-lubricated, zero leakage

API 599

Trunnion Mounted Ball Valve

Sizes: 2" - 36" (DN50-DN900)
Pressure: Class 150 - 2500
Materials: WCB, LCB, CF8M, 4A, 5A
Feature: DBB, Full Port, API 6D

API 6D

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Why Choose Kolink Valve?

API Certified

All valves meet API 600, API 602, API 6D, API 607, and other international standards.

Rigorous Testing

100% shell and seat testing per API 598 ensures zero leakage and long service life.

Custom Solutions

We offer OEM/ODM services with custom materials, actuation, and configurations.

Fast Delivery

Efficient production and global logistics ensure on-time delivery worldwide.

Advanced Quality Control

At Kolink Valve, quality is built into every stage of production. From raw material inspection to final testing, our ISO-certified processes ensure consistent performance and reliability.

Material traceability with MTRs
100% dimensional inspection
Hydrostatic and pneumatic testing
NDT: RT, UT, PT, MT as required
Final assembly in clean room

Factory Tour & Certifications

Frequently Asked Questions

What materials do you offer for valve bodies?

We manufacture valves in carbon steel (WCB, LCB), alloy steel (WC6, WC9, C5), stainless steel (CF8, CF8M, CF3, CF3M), duplex/super duplex, and cast iron. Special alloys available upon request.

Do you provide fire-safe valves?

Yes, our ball valves are designed to API 607 and API 6FA fire testing standards with secondary metal-to-metal sealing to ensure safety in fire conditions.

Can you customize actuation options?

Absolutely. We offer manual (handwheel, lever), gear-operated, pneumatic, hydraulic, and electric actuators from leading brands, with ISO 5211 mounting pads.

What is your typical lead time?

Standard valves: 4-6 weeks. Custom orders: 6-10 weeks. We offer expedited production for urgent requirements.

Do you offer OEM/ODM services?

Yes, we welcome OEM and ODM partnerships with custom branding, packaging, and engineering modifications to meet your specifications.

Get in Touch

For quotes, technical support, or product inquiries, please visit our official website to contact the Kolink Valve team directly.

Visit Official Website to Contact

Email: Shanghai@kolinkcn.com

Languages: English, Français, Deutsch, Español, Русский, 日本語, 한국어, and more

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