The U.S. market for trunnion ball valves includes manufacturers known for producing valves that meet the highest standards in pressure management, leak prevention, and industrial safety. These companies supply critical components for industries like oil & gas, petrochemicals, and power generation — sectors where performance and compliance aren’t optional.
This list highlights six of the most reliable trunnion ball valve manufacturers in the USA, covering key brand information, product expertise, and direct contact links. Gowin is also featured as a global trunnion ball valve supplier offering American standard, API 6D certified trunnion valves for buyers seeking competitive, high-quality options outside the U.S:
1. Val-Matic Valve & Manufacturing Corp.

- Location: 905 Riverside Drive Elmhurst, IL 60126
Val-Matic, founded in 1966, is a leading U.S.-based manufacturer of valves for water, wastewater, industrial, and building markets. Known for their QuadroSphere® Trunnion-Mounted Ball Valves, Val-Matic serves demanding industries like oil & gas, power, chemical, and mining.
Their product range includes check valves, quarter-turn shut-off valves, air valves, and AWWA rubber seated ball valves. With 178,000 sq. ft. of U.S. manufacturing space, Val-Matic ensures all products meet AIS and Buy America standards, backed by ISO 9001:2015 certification.
2. Flowserve

- Location: 5215 North O’Connor Boulevard, Suite 700 Irving, Texas 75039 USA
Flowserve is a global leader in flow control solutions, including high-performance trunnion mounted ball valves for demanding industries such as oil & gas, chemical, power, and water management. Known for their Valbart series of trunnion type ball valves, Flowserve’s products are engineered to handle high-pressure, high-temperature, and severe service applications, fully compliant with API 6D and API 607 standards.
With over 16,000 associates across 300+ locations worldwide, including significant U.S. operations, Flowserve is recognized for its commitment to ethical manufacturing, human rights, and supply chain integrity, backed by a robust Integrity & Compliance program. The company emphasizes local ownership with global quality, ensuring consistent performance and safety in critical valve applications.
3. Emerson

- Location: 8027 Forsyth Boulevard, St. Louis , MO 63105, United States
Founded in 1890 and headquartered in St. Louis, Missouri, Emerson has evolved into a global technology and industrial automation leader. Through its brands like Fisher, Vanessa, and Keystone, Emerson manufactures trunnion mounted ball valves designed for high-pressure, severe service, and critical isolation applications across industries including oil & gas, refining, chemical, and power generation.
Emerson’s acquisition of Pentair’s Valves & Controls in 2017 expanded their final control portfolio, making them one of the top trunnion mounted ball valve manufacturers worldwide. Their valves comply with API 6D, API 607, and other international standards, supporting automation and safety-critical processes.
With over 130 years of engineering expertise, Emerson is known for its commitment to innovation, sustainability, and integrity, supported by a robust ESG and compliance program. The company operates globally with a presence in over 170 countries and maintains a strong U.S. manufacturing and service footprint.
4. Velan Inc.

- Address: 94 Avenue C Williston, VT 05495-9732 United States
Velan Inc., founded in 1950 by A.K. Velan, is a globally recognized manufacturer of high-performance industrial valves, including trunnion mounted ball valves for critical applications in oil & gas, power generation, petrochemical, mining, cryogenic, and shipbuilding industries. Known for advanced engineering and innovation, Velan designs valves that prioritize quality, reliability, and long service life.
Velan operates 13 specialized manufacturing plants worldwide, including facilities in North America, Europe, and Asia, along with global service centers and distribution hubs. Their valves are installed in some of the most demanding environments, including nuclear power stations and high-pressure pipeline systems.
Velan’s product line emphasizes environmental safety, ease of maintenance, and compliance with international quality certifications, making them one of the leading trunnion ball valve manufacturers in the global market.
5. Valv Technologies

- Address: 5904 Bingle Rd. Houston, TX. 77092 United States
ValvTechnologies, founded in 1987, is a global leader in the design and manufacturing of metal-seated, zero-leakage severe service valves, including high-performance trunnion mounted ball valves. Known for their focus on extreme applications, ValvTechnologies’ products serve industries such as fossil and nuclear power, upstream and downstream oil & gas, chemical processing, mining, and refining.
With valves installed in over 90 countries and 25+ authorized repair centers worldwide, ValvTechnologies delivers solutions built to withstand high pressure, high temperature, high cycle, and abrasive environments, offering API 6D, API 6A, API Q1, ASME Section III “N” and “NPT”, ISO 9001, and NQA-1 certified products. Their trunnion type ball valves are recognized for zero-leakage performance, making them ideal for critical isolation in severe service conditions.
ValvTechnologies also provides global servicing, support, and maintenance, available 24/7 through their international network of service centers.
Leading Chinese Trunnion Ball Valve Manufacturer: Gowin

- Address: Room 1009, Chengyuan Building, NO 5052 Airport Avenue, Lucheng District, Wenzhou, ZheJiang, China
- Telephone: +86-577 88909258; +86-13868319831
- Email: yang@china-gowin.com; gowin@china-gowin.com
Gowin Valve, founded in 2007, is a leading Chinese manufacturer of American standard trunnion mounted ball valves, trusted by global industries including oil & gas, petrochemical, power, water, and energy sectors. Gowin specializes in API 6D and API 607-certified trunnion ball valves, including 3-piece and fully welded designs, engineered specifically to meet the strict technical and safety standards required in U.S. pipeline and industrial projects.
With over 16 years of manufacturing expertise, ISO 9001, ISO 14001, and OHSAS 45001 certifications, and compliance with API 6D, API 607 (fire-safe), and API 6FA, Gowin demonstrates world-class production strength. Their fully forged valves, advanced machining capabilities, and rigorous quality control processes ensure every valve meets international and U.S. compliance demands.
In addition to trunnion ball valves, Gowin produces a full range of industrial valves, including gate, globe, check, butterfly, plug, and needle valves, serving clients worldwide. Gowin is recognized for offering cost-effective, high-quality alternatives to American standard trunnion ball valves, with a reputation for precision engineering, safety, and long-term reliability.
Trunnion Ball Valve Manufacturers: Conclusion
Choosing the right trunnion ball valve manufacturer is essential for ensuring safety, reliability, and compliance in high-pressure industrial applications. The companies listed here represent some of the top trunnion ball valve manufacturers and suppliers in the U.S. and globally, trusted for their engineering expertise and certified products.
For cost-effective, American standard trunnion ball valves, Gowin offers a strong alternative with API 6D and API 607-certified solutions designed for demanding pipeline and industrial needs.
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