Flanged Butterfly Valve Factories & Manufacturer in Romania

Featured Industrial Valves

Engineered for high-performance flow control and long-term durability in pipelines

GD Series grooved end butterfly valve

Designed for rapid installation and reliable performance, perfect for modern fire protection and HVAC systems.

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AZ Series Resilient seated NRS gate valve

Features a fully rubber-clad wedge providing a bubble-tight shut-off for drinking water and sewage networks.

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RH Series Rubber seated swing check valve

Provides reliable backflow prevention with low pressure drop, suitable for clean water and neutral liquid lines.

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FD Series Wafer butterfly valve

A compact and lightweight flow regulation device with universal flange compatibility and easy installation.

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Industrial Insight

Romania's Expanding Industrial & Infrastructure Landscape

Romania has emerged as one of the fastest-growing industrial hubs in Central and Eastern Europe. Backed by extensive EU Cohesion Funds and national development programs like the Anghel Saligny National Investment Programme, the country is undergoing a major transformation in municipal infrastructure. Modernizing municipal water supply systems, upgrading wastewater treatment plants (WWTPs), and expanding district heating networks are top national priorities.

Within this dynamic commercial landscape, the demand for reliable flow control mechanisms—specifically flanged butterfly valves—has surged. Major industrial centers such as Bucharest, Cluj-Napoca, Timișoara, and Constanța require robust valves that conform strictly to European standards (EN 593 and EN 1074). Flanged butterfly valves are highly valued in these regions because they handle high-volume flows while maintaining a compact, space-saving footprint compared to traditional gate valves.

Future Trends

Key Industry Trends in the Romanian Valve Market

The Romanian valve market is transitioning toward smart, automated, and highly sustainable systems. Manual operations are rapidly being replaced by electric and pneumatic actuators integrated with SCADA systems for real-time monitoring and flow regulation. This is especially true for district heating companies like Termoenergetica in Bucharest, where precise flow control directly affects energy efficiency and operating costs.

Another major trend is the demand for specialized corrosion protection. With the expansion of coastal infrastructure near the Port of Constanța and the Black Sea, valves must withstand harsh brackish water and industrial wastewater. This has driven the adoption of high-performance coatings, such as fusion-bonded epoxy (FBE) and specialized rubber liners (EPDM/NBR), along with duplex stainless steel discs that resist cavitation and corrosive environments.

Compliance & Efficiency

Romanian engineers and contractors prioritize products certified under CE, WRAS, and ISO 9001. Ensuring compliance with European pressure equipment directives (PED 2014/68/EU) is essential for securing public tenders and industrial contracts.

Our Main Valve & Flow Control Products

Precision-engineered solutions for water treatment, HVAC, power plants, and marine applications

YD Series Wafer butterfly valve

Features a universal flange connection and lightweight aluminum handle. The pinless disc-to-stem design makes it ideal for challenging conditions like vacuum desulphurization and seawater desalination.

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MD Series Lug butterfly valve

Allows downstream pipeline maintenance under pressure and can be installed at pipe ends. The lugged body ensures precise alignment between pipeline flanges.

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DL Series flanged concentric butterfly valve

Features a centric disc and bonded liner. The robust flanged body provides superior resistance to piping stress and high pressure, ensuring a high safety factor.

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UD Series Soft-seated butterfly valve

Wafer pattern with flanges complying with EN558-1 20 series. The soft sleeve seat isolates the valve body from the medium, ensuring long-term bubble-tight sealing.

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DC Series flanged eccentric butterfly valve

Double eccentric design minimizes seat friction and wear, reducing operating torque. Suitable for high-pressure municipal water networks and modulating service.

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EZ Series Resilient seated NRS gate valve

Non-rising stem gate valve featuring an integrated brass stem nut and a thermal-clad rubber wedge. Designed for reliable shut-off in water and neutral liquids.

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EH Series Dual plate wafer check valve

Equipped with dual torsion springs that close the valve plates rapidly upon flow deceleration, preventing water hammer in municipal pumping stations.

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TWS Flanged Y strainer According to DIN3202 F1

Mechanically removes solids from liquid, gas, or steam lines. Essential for protecting downstream pumps, meters, and control valves from debris.

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TWS Flanged static balancing valve

Designed for precise flow regulation in HVAC applications. Ensures static hydraulic balance across the entire piping system for optimal energy efficiency.

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TWS Air release valve

Combines high-pressure and low-pressure functions to automatically release air pockets and prevent vacuum formation in municipal water mains.

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Flanged Backflow Preventer

A high-performance safety device designed to prevent contaminated water from siphoning back into the municipal clean water supply network.

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Worm Gear

Manual worm gear actuator designed to AWWA C504 and API 6D standards. Provides reliable, high-torque manual control for butterfly and ball valves.

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Localized Application Scenarios in Romania

How flanged butterfly valves are utilized across key Romanian infrastructure sectors

Municipal Water & Wastewater

With major water utility operators like Apa Nova Bucharest and regional operators (ROC) expanding piping networks, concentric flanged butterfly valves are widely deployed in pump stations, filtration reservoirs, and sludge treatment plants to regulate water distribution.

District Heating & HVAC

Romania's urban centers depend heavily on centralized district heating. High-pressure, soft-sealed centerline and double eccentric flanged butterfly valves manage hot water circulation, offering bubble-tight shut-off and low torque under constant thermal cycles.

Marine & Seawater Desalination

In Constanța and Mangalia shipyards, as well as industrial cooling systems using seawater, flanged butterfly valves are fitted with specialized Nylon-coated or duplex stainless steel discs to resist salt corrosion and cavitation.

About TWS Valve

Tianjin Tanggu Water-Seal Valve Co., Ltd.

Established in 2003, Tianjin Tanggu Water-Seal Valve Co., Ltd. (TWS Valve) is a professional manufacturer that integrates design, development, production, installation, sales, and service. Over the past two decades, we have grown into a leading supplier of water management valve products and solutions.

We operate two advanced manufacturing plants in Tianjin, China—one in Xiaozhan Town and the other in Gegu Town, Jinnan District. Our proprietary brand "TWS" represents high-quality manufacturing, reliable performance, and cost-effective flow control solutions.

Our quality management system is strictly certified by ISO 9001 and ISO 14001. Most of our core products carry international approvals, including CE, WRAS, EN1074-1, ABS, and CCS, ensuring they meet the strict regulatory requirements of the Romanian and European markets.

◆ Special butterfly valve for seawater desalination: The medium flow part adopts new special coatings and materials according to different working conditions to meet the needs of the seawater desalination industry.

◆ The high-pressure soft-sealed centerline butterfly valve: meets the needs of high-pressure water pipelines, water supply and drainage in high-rise buildings and other working conditions, and has the characteristics of high pressure resistance, low flow resistance, etc.

◆ Desulfurization flange /wafer centerline butterfly valves: are widely used in flue gas desulfurization and other similar working conditions. Safe and reliable materials selected according to the working conditions to meet customer needs.

Why Choose Us

Why Romanian Distributors & Engineers Trust TWS Valve

TWS Valve offers a comprehensive product portfolio tailored to the European market. Our core products include resilient-seated butterfly valves (wafer, lug, U-section, concentric flanged, eccentric flanged, and grooved end types), flanged rubber-seated gate valves, swing check valves, dual plate check valves, and Y-strainers.

To support automation, we design and manufacture our own IP67-rated gearboxes and electric actuators. This allows us to guarantee perfect compatibility between the valve and the actuator, reducing installation errors and commissioning time on site.

Certifications & Approvals

Meeting international quality and safety standards for global industrial applications

Global Cooperation Cases

TWS valves are deployed in major water treatment, power generation, and industrial projects worldwide

Our products are widely used in water treatment, water distribution, wastewater management, dams, hydropower plants, and heavy industry. With high quality, competitive pricing, and professional service, TWS valves have been exported to Europe, North America, South America, Southeast Asia, and Africa. We are a trusted OEM/ODM partner for several world-famous valve brands.