TIANYU delivers safe, efficient fluid control for medium-high pressure systems through precision forging and global support, Trunnion Double Block and Bleed Ball Valve enabling industrial clients to operate efficiently and compliantly.
DBB Ball Valves: Industrial Safety & Operational Efficiency
Double Block and Bleed (DBB) ball valves are critical components in various industrial applications, designed to ensure safety and operational efficiency. Featuring two sealing seats for reliable shut-off from both ends and an additional bleed valve to release pressure or test for leaks between seats, DBB valves are essential in systems requiring isolation and pressure relief, such as oil & gas, chemical, and petrochemical industries. They help enhance safety protocols, minimize downtime, and optimize maintenance processes.
I. Introduction Butterfly valves have emerged as cornerstone components in industrial fluid control systems, celebrated for their compact footprint, lightweight construction, and exceptional flow regulation efficiency. Among these, API 609 butterfly valves represent the gold standard for critical industrial applications, defined by the American Petroleum Institute (API) Standard 609—an exhaustive specification governing design, manufacturing, and […]
I. Introduction: The Critical Role of Valve Selection in Industrial Systems Valves serve as the “control nodes” of industrial fluid systems, regulating the flow of liquids, gases, and slurries across sectors ranging from oil and gas to municipal water treatment. Among the most widely used valve types, gate and globe valves dominate applications requiring reliable […]
Large-diameter water Butterfly Valves mains (DN>300) form the backbone of municipal water supply, wastewater treatment, and industrial process systems, transporting 50–90% of potable water and 70% of wastewater in urban areas. A single DN1200 water main, for example, can deliver 12,000 cubic meters of water per hour—enough to supply 200,000 residents. The valves controlling these […]
In the landscape of EPC (Engineering, Procurement, Construction) infrastructure pipeline projects, where reliability, durability, and compliance stand as non-negotiable pillars, large diameter trunnion mounted ball valves emerge as critical components. These valves serve as the “control core” of fluid transportation systems, governing the flow of oil, gas, water, and other industrial media with precision while […]
Our products and services comply with international standards and specifications to make sure that we only produce the best and highest quality products and services to our clients.
We offer tailor-made industrial valves to ensure that our product fits your application standards and demand. TIANYU is ISO, API, MSS, and ASME compliant to guarantee you the highest product quality.
As a business partner, TIANYU makes sure that we commit to our clients’ requested deadline because we very much understand the importance of adhering to the timeline required.
TIANYU’s service does not end once our industrial ball valves are being delivered. Also, we offer warranties and provide customer service to our clients as part of our quality service.
Tianyu Professional China Valve Manufacturers and Supplier Conforming ISO APl CE certification standards
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Founded in 2009, Wenzhou Tianyu Valve Technology Co., Ltd. is a professional valve enterprise integrating design, development, production, and sales services, located in the hometown of Chinese valves – Oubei Town, Wenzhou.
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