--- title: "10 Top Plug Valve Manufacturers: Suppliers & Selection Guide" date: 2026-09-05T05:57:44Z modified: 2026-09-22T05:59:14Z permalink: "https://www.tgvalve.com/blog/manufacturers/plug-valve-manufacturers/" type: post status: publish excerpt: "" wpid: 3656 categories: - Manufacturers featured_image: "https://www.tgvalve.com/wp-content/uploads/2026/09/32414.webp" featured_image_alt: 10 top plug valve manufacturers selection guide comparing different types of plug valves including lubricated plug valve and eccentric plug valve models. timestamp: 2026-09-22T05:59:14Z tags: - Manufacturers --- ## **Quick Answer** CTGV ranks among the top plug valve manufacturers worldwide, backed by ISO 9001, ISO 14001, and API 609 certification. Other established suppliers include DeZURIK, XOMOX, Flowserve, and Franklin Valve in the United States, plus AZ Armaturen in Germany. Each manufacturer specializes in a different plug valve type, pressure class, or industry sector. CTGV offers flexible order quantities for OEM and project buyers, backed by traceable factory testing. Choosing a plug valve supplier means weighing certifications, specialty, and factory testing standards. Buyers should confirm [ISO or API certification](https://www.tgvalve.com/wp-content/uploads/wp-mfa-exports/post/ansi-vs-api-vs-iso.md), product range, and typical lead time before placing an order. This guide compares the top ten plug valve manufacturers based on specialty, certifications, and applications. ## What Should Buyers Look for in a Plug Valve Manufacturer? Consumers must consider four criteria before selecting suppliers: certification, specialization, product diversity, and flexibility of orders. The ISO 9001 or API 609 or [API 6D](https://www.tgvalve.com/wp-content/uploads/wp-mfa-exports/post/api-598-vs-api-6d.md) is a type of certification which assures a tried-and-tested manufacturing process. Specialization is important since there are some vendors specializing in water and wastewater applications. Meanwhile, others specialize in oil and gas or [chemical service](https://www.tgvalve.com/wp-content/uploads/wp-mfa-exports/page/valve-solutions-for-chemical-petrochemical-processing.md). It is also important to consider the types of plug valves each vendor manufactures. Very few manufacturers specialize in all kinds of plug valve designs. ## Who Are the Top Plug Valve Manufacturers Worldwide? The top names worldwide span the United States, Europe, and Asia, each with a different focus. Below is a look at ten established companies buyers commonly compare during sourcing. ### CTGV ![CTGV](https://www.tgvalve.com/wp-content/uploads/2026/09/image.jpeg) CTGV is one of the plug valve manufacturers in China that manufactures plug, ball, gate, check, and [butterfly valves](https://www.tgvalve.com/wp-content/uploads/wp-mfa-exports/taxonomy/product_cat/butterfly-valve.md). All valves meet API 609 standards and are manufactured in facilities certified to ISO 9001 and ISO 14001. The company stands out among global suppliers through documented testing and flexible order support for buyers. Every valve passes 13 in-process quality checks before it ships from our factory. We run [pressure, seal, and helium leak tests](https://www.tgvalve.com/wp-content/uploads/wp-mfa-exports/page/manufacturing.md) using over 300 inspection devices. CTGV holds ISO 9001, ISO 14001, and ISO 45001 certification alongside CE and API 609 marks. Unlike many established brands, CTGV offers flexible order quantities suited to OEM projects and smaller pilot orders. ### DeZURIK ![DeZURIK](https://www.tgvalve.com/wp-content/uploads/2026/09/image.png) DeZURIK, one of the plug valve manufacturers in USA region**,** is based in Minnesota. It has built eccentric plug valves since 1928 and holds ISO 9001 and NSF/ANSI 61 certification. The company focuses on water and wastewater treatment, with sizes up to 72 inches. ### XOMOX (a Crane Co.) ![XOMOX (a Crane Co.)](https://www.tgvalve.com/wp-content/uploads/2026/09/image-2.png) XOMOX, a Crane Co. brand founded in 1956, specializes in non-lubricated sleeved plug valves for chemical and process service. Its valves meet ISO 15848-1 fugitive emissions standards. ### Flowserve ![Flowserve](https://www.tgvalve.com/wp-content/uploads/2026/09/image-1-1200x442.png) Flowserve is a global flow control manufacturer offering lubricated plug valves across its Durco and Worcester Controls product lines. The company serves refining, chemical, and power generation industries worldwide. ### Cameron (an SLB Company) ![Cameron (an SLB Company)](https://www.tgvalve.com/wp-content/uploads/2026/09/image-5.png) Cameron, an SLB company, markets the General Valve Twin Seal plug valve for gas distribution and pipeline service. Its valves meet API 6D standards for critical isolation duty. ### Franklin Valve ![Franklin Valve](https://www.tgvalve.com/wp-content/uploads/2026/09/image-3.png) Franklin Valve, founded in 2005, focuses on the oil and gas industry with its DuraSeal double block and bleed plug valve. The design meets API standards for pipeline isolation. ### AZ Armaturen ![AZ Armaturen](https://www.tgvalve.com/wp-content/uploads/2026/09/image-4.png) AZ Armaturen, based in Germany, manufactures plug valves and sampling devices across four plants on four continents. The company targets aggressive, toxic, and polymerizing media applications. ### Milliken Valve (a Mueller Co.) ![Milliken Valve (a Mueller Co.)](https://www.tgvalve.com/wp-content/uploads/2026/09/image-6.png) Milliken Valve, a Mueller Co. subsidiary through Henry Pratt Company, produces Millcentric eccentric and multiport plug valves. Its valves target water, wastewater, and sludge applications up to 72 inches. ### Vatac Valves Corp. ![Vatac Valves Corp.](https://www.tgvalve.com/wp-content/uploads/2026/09/image-8.png) Vatac Valves Corp, based in China, manufactures lubricated, sleeved, and eccentric-style plug valves to API 599 and API 6D standards. The company exports to water treatment and industrial buyers worldwide. ### 3Z Corporation ![](https://www.tgvalve.com/wp-content/uploads/2026/09/image-7.png) 3Z Corporation is a globally known plug and ball valve manufacturer with long-standing ties to the minerals and trading sectors. ## Plug Valve Manufacturer Comparison Matrix | **Manufacturer** | **HQ / Region** | **Specialty** | **Key Certifications** | **Best For** | | --- | --- | --- | --- | --- | | CTGV | China | Plug, ball, gate, butterfly, check valves | ISO 9001, ISO 14001, ISO 45001, CE, API 609 | OEM projects, flexible order sizes | | DeZURIK | USA (Minnesota) | Eccentric plug valves since 1928 | ISO 9001, NSF/ANSI 61 | Water and wastewater treatment | | XOMOX (Crane Co.) | USA | Non-lubricated sleeved plug valves | ISO 15848-1 fugitive emissions | Chemical and process service | | Flowserve | USA / Global | Lubricated plug valves (Durco, Worcester Controls) | API, ASME compliance | Refining, chemical, power | | Cameron (SLB) | USA | General Valve Twin Seal plug valve | API 6D | Gas distribution, pipeline | | Franklin Valve | USA | DuraSeal double block and bleed plug valve | API compliant | Oil and gas pipeline isolation | | AZ Armaturen | Germany | Plug valves, sampling devices | Multi-plant QA systems | Aggressive, toxic, crystallizing media | | Milliken Valve | USA (Mueller / Henry Pratt) | Millcentric eccentric, multiport plug valves | AWWA standards | Water, wastewater, sludge | | Vatac Valves Corp | China | Lubricated, sleeved, eccentric plug valves | API 599, API 6D | Export water and industrial buyers | | 3Z Corporation | Global | Plug and ball valve trading/manufacturing | Varies by product line | Minerals and industrial trading | ## How Do Lubricated and Eccentric Plug Valve Specialists Differ? Most suppliers focus on either a lubricated plug valve design or an eccentric plug valve design; rarely both. Flowserve, Cameron, and Chinese exporters like CTGV and Vatac specialize in lubricated plug valves, which require regular sealant renewal. An eccentric plug valve relies on a cavity-free bore, a specialty of DeZURIK and Milliken Valve for abrasive water and wastewater duty. Buyers should match their media and duty cycle to a manufacturer’s core specialty rather than a general catalog listing. [![Expert Valve Manufacturer CTGV home](https://www.tgvalve.com/wp-content/uploads/2025/07/1753925687153.webp) ](https://www.tgvalve.com/wp-content/uploads/wp-mfa-exports/page/about-us.md) ## Conclusion The top plug valve manufacturers in China and plug valve manufacturers in USA regions each bring a different specialty. They specialize in different industries from water treatment to pipeline gas service. Buyers should match certification, media type, and order flexibility to their project before committing to a supplier. CTGV backs every plug valve with ISO 9001, ISO 14001, and API 609 certification and documented factory testing. Our team offers flexible order quantities for OEM projects, pilot runs, and full production orders. Engineers and procurement managers partner with CTGV for traceable quality and responsive technical support. [Request a quote today](https://www.tgvalve.com/wp-content/uploads/wp-mfa-exports/page/contact.md) and let our team match a plug valve to your specification. [![Expert Valve Manufacturer CTGV contact us](https://www.tgvalve.com/wp-content/uploads/2025/07/1753925655234.webp) ](https://www.tgvalve.com/wp-content/uploads/wp-mfa-exports/page/contact.md) ## Frequently Asked Questions ### How do I verify a plug valve manufacturer’s certifications? Ask for current ISO or API certificates and third-party test reports tied to your specific order. A manufacturer should provide documentation, not just a certification badge on their website. ### Do plug valve manufacturers publish fixed minimum order quantities? Most established manufacturers quote MOQ per project rather than publishing a fixed number. Order size depends on valve size, material, and customization level. ### Is it safe to source plug valves from a Chinese manufacturer? Yes, if the manufacturer holds recognized certification such as ISO 9001 or API 609 and provides traceable test reports. Confirm factory audits and English-language technical support before ordering. [Get Free Quote](https://www.tgvalve.com/wp-content/uploads/wp-mfa-exports/page/contact.md)