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Precision Valve Solutions for Global Industries

Tianjin Union Valve Co., Ltd. – ISO9001, CE, WRAS certified manufacturer of butterfly, gate, check, ball, and globe valves. Trusted by clients in 100+ countries with over 3,000 service clients and 10,000+ tons annual production capacity.

Explore Products Learn About Us

3000+

Service Clients

100+

Countries Served

10,000+

Tons Annual Capacity

6+

Global Certifications

About Union Valve

Tianjin Union Valve Co., Ltd. is a renowned valve manufacturer with a registered capital of 10 million RMB. We are a flagship of modern Chinese enterprise, recognized for our meticulous market positioning, unwavering commitment to product excellence, and standardized internal management.

Our state-of-the-art facilities house advanced manufacturing, processing, and testing equipment, supported by a team of over 200 professionals, including skilled technicians and assembly line workers.

Contact Our Team
Valve Manufacturing Workshop

Global Certifications

ISO9001

CE

WRAS

EAC

ISO 14001

ISO 45001

Our Products

High-performance industrial valves designed for reliability, durability, and precision in demanding environments.

Wafer Butterfly Valve

Wafer Butterfly Valve

Compact design for space-limited applications. Ideal for water, gas, and oil systems.

From $13.95 4.8 (6 reviews)
Lug Butterfly Valve

Lug Butterfly Valve

Double-flanged mounting for easy installation and maintenance.

From $19.32 4.7 (6 reviews)
Double Eccentric Butterfly Valve

Double Eccentric Butterfly Valve

Reduced friction and extended seal life. Suitable for high-pressure systems.

From $343.37 4.9 (2 reviews)
Gate Valve

Resilient Seated Gate Valve

Corrosion-resistant with tight shut-off. Ideal for water treatment and pipelines.

From $31.12 4.8 (3 reviews)
U-Type Butterfly Valve

U-Type Butterfly Valve

High-torque design for viscous media. Common in chemical and food industries.

From $25.26 4.6 (1 review)
Dual Plate Check Valve

Dual Plate Wafer Check Valve

Prevents backflow with minimal pressure drop. Lightweight and compact.

From $11.80 4.7 (2 reviews)
Swing Check Valve

Swing Check Valve

Reliable backflow prevention in vertical and horizontal pipelines.

From $34.33 4.5 (1 review)
Double Flange Butterfly Valve

Double Flange Butterfly Valve

Secure flanged connections for high-pressure industrial applications.

From $44.48 4.8 (3 reviews)
View Full Catalog

Why Choose Union Valve?

Engineered for performance, durability, and global compliance.

Precision Manufacturing

CNC machining, horizontal boring, and automated assembly ensure consistent quality.

Global Certifications

ISO9001, CE, WRAS, EAC, and TUV certified for international standards compliance.

Custom Solutions

Low MOQ, OEM/ODM support, and tailored valve configurations available.

Global Shipment

Reliable logistics to 100+ countries with documented shipment records.

24/7 Support

Dedicated sales and technical team ready to assist with inquiries and after-sales.

Quality Testing Lab

In-house lab for torque, pressure, life testing, metallography, and hardness analysis.

Quality Inspection Laboratory

Our company has introduced advanced testing equipment to ensure product reliability and safety.

  • Rubber Joint Life Testing
  • Valve Torque, Pressure, and Life Testing
  • Metallographic Analysis
  • Metal Hardness Testing
  • Metal Tensile Testing
Learn About Quality Control
Quality Testing Lab

Frequently Asked Questions

What materials are your valves made from?

We use ductile iron, carbon steel, stainless steel (304, 316), and PTFE-lined bodies depending on application requirements.

Do you offer custom valve designs?

Yes, we support OEM/ODM services with low minimum order quantities and full technical customization.

What certifications do you hold?

We are certified with ISO9001, CE, WRAS, EAC, ISO 14001, and ISO 45001.

How long is the production lead time?

Typically 15–30 days depending on order size and customization. We offer expedited options.

Can I get a sample before bulk order?

Yes, we provide samples for quality evaluation. Contact us for sample pricing and shipping.

Get in Touch

Reach out to our sales and technical team for inquiries, quotes, or support.

Visit Official Website to Contact

+86 22 66224148

jack@unionvalve.com

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