Epoxy Coated Butterfly Valve Manufacturers & Factory in Iraq

Leading the standard of fluid control and water management systems. Delivering high-performance, corrosion-resistant valves engineered for Iraq's challenging industrial and municipal environments.

Featured Flow Control Products

AH Series Dual plate wafer check valve

High-performance dual plate wafer check valve featuring quick closing action and backflow prevention.

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Casting ductile iron IP 67 Worm Gear with handwheel DN40-1600

Heavy-duty IP67 worm gear operator designed for valves up to DN1600 in municipal and industrial networks.

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DL Series flanged concentric butterfly valve

Durable concentric design with flanged ends offering higher body strength and superior pressure resistance.

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EZ Series Resilient seated NRS gate valve

Non-rising stem gate valve featuring an integrated brass nut and thermal-clad resilient rubber wedge.

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Iraq's Industrial & Water Infrastructure Landscape

Iraq is currently undergoing massive structural redevelopment, particularly across its municipal water supply networks, sanitation facilities, and heavy industrial plants. Major cities like Baghdad, Basra, Mosul, and Erbil are actively expanding their municipal water treatment and distribution pipelines to meet the needs of a growing population. Furthermore, the oil, gas, and petrochemical sectors in southern regions like Basra require robust flow control solutions capable of handling demanding operational cycles.

One of the primary challenges in Iraqi pipeline engineering is the aggressive environment. Soil salinity is exceptionally high in central and southern Iraq, and raw water drawn from the Tigris and Euphrates rivers often carries high levels of suspended solids and corrosive elements. Additionally, summer temperatures regularly exceed 50°C. In such conditions, standard bare-metal valves quickly succumb to corrosion, scaling, and premature failure. This is why epoxy coated butterfly valves have become the mandatory standard for engineers and contractors across the country.

Why Epoxy Coating Matters in Iraq

Fusion Bonded Epoxy (FBE) coating provides a highly durable, non-porous barrier that isolates the valve’s ductile iron body from corrosive media and harsh soils. With a thickness of 250 microns or more, this coating prevents rust, reduces fluid friction, and ensures that drinking water remains free from metallic contamination. For industrial applications, it protects the valve from chemical erosion and atmospheric weathering in high-heat desert environments.

Localized Application Scenarios in Iraq

Our epoxy coated butterfly valves are specifically designed to meet the rigorous demands of Iraq's primary commercial and public infrastructure sectors.

1. Municipal Water Distribution

In urban drinking water networks, maintaining water purity is critical. Our WRAS-approved epoxy coatings ensure no harmful substances leach into the water supply. These valves are widely used in main distribution lines, booster pump stations, and storage reservoir outlets in Baghdad and Erbil.

2. Desalination & Water Treatment

Southern Iraq, particularly Basra, relies heavily on water desalination plants. The high salinity of seawater and brackish groundwater requires valves with superior protective barriers. Our high-pressure soft-sealed centerline and eccentric butterfly valves are built to withstand these aggressive saline environments.

3. Oilfield Utility & Cooling Systems

Iraq's vast oilfields require massive water injection networks and cooling water loops. Our heavy-duty flanged and lug-type epoxy coated valves provide reliable isolation and flow control for industrial utilities, ensuring continuous operation with minimal maintenance downtime.

About Tianjin Tanggu Water-Seal Valve Co., Ltd.

Tianjin Tanggu Water-Seal Valve Co., Ltd. (TWS Valve)

Founded in 2003, TWS Valve is a professional manufacturer that integrates design, development, production, installation, sales, and service. We operate two state-of-the-art manufacturing plants: one in Xiaozhan Town, Jinnan, Tianjin, and the other in Gegu Town, Jinnan, Tianjin. Over the past two decades, we have grown into one of China's leading suppliers of water management valve products and complete system solutions, building our own globally recognized brand "TWS".

TWS Valve’s quality system is strictly certified by ISO 9001, and the vast majority of our products carry international approvals, including CE and WRAS. Our commitment to quality control ensures that every epoxy-coated butterfly valve shipped to Iraq meets or exceeds local tender specifications and international engineering standards.

All For Customers

We tailor our valve materials, coatings, and actuator configurations to match the specific working pressures and medium conditions of your projects in Iraq.

All From Innovation

Our dedicated R&D team works continuously to optimize valve geometry, reducing operating torque requirements and extending the service life of resilient seals.

Strict Quality Standards

From raw iron casting to the final electrostatic epoxy powder spraying and testing, every step is rigorously monitored under ISO 9001 protocols.

Our Primary Valve Product Series

We manufacture a comprehensive range of industrial valves designed to handle diverse pressures, temperatures, and fluid media.

YD Series Wafer butterfly valve

Universal flange connection with a lightweight aluminum handle. Features a pinless disc-to-stem connection, making it ideal for severe conditions like desalination and vacuum systems.

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MD Series Lug butterfly valve

Allows for downstream pipeline maintenance and online repairs. The lugged body simplifies installation between flanges and serves efficiently as an end-of-line exhaust valve.

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DL Series flanged concentric butterfly valve

Features a concentric disc and bonded liner. Designed with a heavy-duty body to withstand high pipeline pressures and structural stress, providing an extra safety margin.

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UD Series Soft-seated butterfly valve

Wafer pattern valve with EN558-1 20 series face-to-face dimensions. The soft sleeve seat completely isolates the valve body from the flow medium, preventing internal corrosion.

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DC Series flanged eccentric butterfly valve

Incorporates a positively retained resilient disc seal and integral body seat. The eccentric action minimizes seal contact during operation, reducing operating torque and extending life.

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EZ Series Resilient seated NRS gate valve

Wedge gate valve with a non-rising stem, ideal for water and neutral liquids. The ductile iron wedge is fully encapsulated in high-performance rubber for a bubble-tight seal.

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EH Series Dual plate wafer check valve

Equipped with dual torsion springs that automatically close the plates, preventing medium backflow and water hammer. Can be installed horizontally or vertically.

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TWS Flanged Y strainer According to DIN3202 F1

Designed to mechanically remove solids from liquid, gas, or steam lines using a perforated mesh element. Essential for protecting downstream pumps and control valves.

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TWS Flanged static balancing valve

A key hydraulic balance valve used for precise flow regulation in HVAC and water pipeline systems, ensuring uniform distribution across all terminal networks.

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TWS Air release valve

Combines high-pressure diaphragm air venting and low-pressure intake functions to prevent vacuum pockets and air locks in municipal water pipelines.

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Flanged Backflow Preventer

A safety device that strictly limits backflow or siphoning of non-potable water into municipal drinking water networks, preventing cross-contamination.

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Worm Gear

Manual high-efficiency worm gear actuator designed based on a modular 3D CAD framework. Delivers reliable torque reduction for large-diameter valves.

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Engineering Solutions Tailored for Iraq

Custom Materials & Specialized Coatings

At TWS Valve, we understand that standard industrial valves can fail when exposed to the high-saline and high-temperature conditions common in Iraq. Therefore, we offer specialized material formulations and coating options:

Special butterfly valves for seawater desalination: The medium flow path features specialized coatings and super-duplex stainless steel discs to withstand aggressive chloride solutions.
High-pressure soft-sealed centerline butterfly valves: Designed specifically for high-rise buildings and municipal main pipelines where high-pressure resistance and low flow resistance are critical.
Desulfurization flange/wafer butterfly valves: Engineered with premium elastomeric liners and corrosion-resistant alloys for flue gas desulfurization (FGD) and related chemical processes.

Why Choose TWS Valve?

We combine manufacturing expertise, international certifications, and reliable service to support large-scale infrastructure projects across Iraq.

International Quality Standards & Certifications

TWS Valve operates under a strict ISO 9001 quality management system. Our products are fully certified and approved by leading international bodies. This simplifies compliance and approval processes for municipal tenders and private engineering projects in Iraq.

Our Certifications include: CE, ISO9001, ISO14001, WRAS, EN1074-1, ABS, and CCS. These certifications verify that our valves meet rigorous standards for structural strength, material safety, and environmental protection.

Future Industry Trends in the Iraqi Market

As Iraq continues to modernize its infrastructure, the demand for smart, efficient, and low-maintenance flow control systems is rising. We see several key trends shaping the future of the valve industry in Iraq:

Transition to Smart Actuation

Municipalities are moving toward SCADA-integrated systems. This increases the demand for butterfly valves fitted with IP67/IP68 electric and pneumatic actuators, allowing operators to monitor and control flows remotely from centralized control rooms.

Eco-Friendly Materials

With a growing focus on public health, drinking water projects in Iraq strictly enforce the use of non-toxic, WRAS-approved epoxy coatings. This ensures that the water passing through the pipelines remains safe and free from chemical contamination.

High-Durability Designs

Due to the high cost of pipeline maintenance in remote areas, contractors prefer valves with longer service lives. Features like double-eccentric discs and vulcanized rubber seats significantly reduce wear and tear, lowering long-term operational costs.

Global Partnerships & Project Case Studies

TWS Valve products are widely used in water treatment, water distribution, wastewater management, dams, hydropower, power plants, and general industrial networks worldwide.

By offering high product quality, competitive pricing, and professional technical support, TWS Valve has built long-term partnerships with major brands and engineering firms globally. Our products are exported to Europe, North America, South America, Southeast Asia, Africa, and the Middle East, including Iraq.

We remain dedicated to our core management philosophy: "All For Customers, All From Innovation". We continuously work to improve our manufacturing processes and design solutions, aiming to set new standards in water management valves. We invite engineering firms, distributors, and municipal contractors in Iraq to join us in building reliable, long-lasting water systems.