Water and wastewater flow control is a critical part of modern infrastructure, ensuring that clean water is delivered efficiently and that wastewater is safely transported, treated, and discharged or reused. From municipal treatment plants to industrial facilities, the control of water flow underpins everything from public health to environmental protection.

Key features and benefits of valves for this industry.

Key Features

Valves used in water and wastewater systems must withstand constant exposure to moisture, chemicals, and often aggressive environments. Materials such as ductile iron with protective coatings, stainless steel, and resilient linings are commonly used to prevent corrosion, rust, and degradation over time.

Key Features

Unlike clean water systems, wastewater often contains solids, sludge, and debris that can clog or damage standard valves. Valves in this industry are designed to cope with these conditions, with options such as full-bore designs, knife gate valves, and non-clogging features that allow solids to pass through without restricting flow or affecting performance.

Key Features

Consistent and dependable shutoff is essential to prevent leaks, manage system pressure, and isolate sections for maintenance. Valves must provide tight sealing even after repeated operation and under varying pressures. In addition, many applications require accurate throttling or flow regulation, so valves must offer smooth and predictable control to maintain efficient system performance.

The TTV 20W3040 Manual Wafer Pattern Butterfly Valve is a Rilsan Coated Ductile Iron Bodied Valve with a CF8M Stainless Steel Disc & 304 Stainless Steel Shaft. A one piece body concentric design features four entering lugs which allows for easy installation between two flanges at intermediate points within the process pipeline. Suitable for General Purpose applications for a range of industries the 20W3040 is both economical and versatile. A single piece shaft design brings high strength and engineering with direct mount capabilities for actuation assemblies. The “Dry Shaft” feature ensures fluid is again isolated from both the shaft and the body of the butterfly valve.

Size Range:	DN32-DN1600 (1 1/4"-64")
Body Materials:	GJS500-7 Ductile Iron Rilsan Coated
Disc Materials:	CF8M Stainless Steel
Seat Materials:	EPDM, NBR Buna, Hypalon, Viton, Silicone, High Temperature, Polyisoprene, Epichloridine
Actuated Function:	Lever Operated, Hand Wheel / Gear Box Operated, Extended / Extension Chain Wheel
Applications:	Potable/Waste Water, Cooling Systems, Oil, Gases, Air

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Lugged Manual Butterfly Valves are commonly used in piping systems as a dead end service Valve or where regular/predicted disconnecting of the pipe on either side may need to be removed for maintenance and installation without disruption to both sides of the line. The single piece body with threaded lugs is installed using two sets of bolts (One set for each flange) and enables the installer precise self centering capabilities of the valve due to the body design between flanges. The TTV Butterfly Valve, with its concentric design and replaceable seat that takes the shape of both sides to form a perfect seal. This is suitable for use on either an off or throttle setting in applications where you want complete flexibility for temperature or flow.

Size Range:	DN32-DN1600 (1 1/4"-64")
Body Materials:	GJS500-7 Ductile Iron Rilsan Coated
Disc Materials:	CF8M Stainless Steel
Seat Materials:	EPDM, NBR Buna, Hypalon, Viton, Silicone, High Temperature, Polyisoprene, Epichloridine
Actuated Function:	Lever Operated, Hand Wheel / Gear Box Operated, Extended / Extension Chain Wheel
Applications:	Potable/Waste Water, Cooling Systems, Oil, Gases, Air

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Lined Kingdom Ball Valves play a crucial role in industrial fluid handling systems, renowned for their exceptional resistance to corrosion and their ability to precisely regulate flow. These valves feature a distinctive design, incorporating a spherical ball with a central bore that is encased in a specialized lining, often composed of materials like PTFE or other corrosion-resistant polymers. This protective lining acts as a barrier between the flowing medium and the valve's internal components, effectively shielding them from corrosive substances. Lined ball valves are widely utilized in industries such as chemical processing, petrochemicals, pharmaceuticals, and wastewater treatment, where handling aggressive chemicals and abrasive slurries is common.

Size Range:	DN15-DN100 (1/2"-4")
Body Materials:	Stainless Steel A351 CF8M 316
Linning:	PTFE
Applications:	Water, Gas, Air, Oil, Waste Water (See Chart For More)
Pressure Rating:	PN16
End Connections:	Flanged

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The 40W4040 Manual Butterfly range from Actuation Valve provides positive shutoff performance and reliability for both external and internal corrosive applications. The stainless steel valve body promotes longevity with a replaceable concentirc rubber lined seat. Whether you are looking for a simple Lever Operated solution or multi turn Gear Box operated product we have a range of Worm Gear and Chain Wheel butterfly valve packages to suit your requirements. Fully stainless steel materials. This butterfly valve package is designed to be used in harsh, external environments and mediums that are aggressive towards the material itself. It can be used for a variety of applications ranging from food & beverage to chemicals & petrochemicals.

Size Range:	DN32-DN1600 (1 1/4"-64")
Body Materials:	CF8M 316 Stainless Steel
Disc Materials:	CF8M 316 Stainless Steel
Seat Materials:	EPDM, NBR Buna, Hypalon, Viton, Silicone, High Temperature, Polyisoprene, Epichloridine
Actuated Function:	Lever Operated, Hand Wheel / Gear Box Operated, Extended / Extension Chain Wheel
Applications:	Potable/Waste/Sea Water, Cooling Systems, Oil, Gases, Air, Corrosive, Chemical

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Lugged Butterfly Valves are used to control the flow of fluids in a piping system. They have threaded inserts on both sides. The lugged design of these valves is great because it allows you to easily disconnect either side of the piping system without having to remove the valve itself. The 40L4040 is the ideal Valve design for protection against external corrosive elements aswell as medium duties. A combination of soft seat rubber materials are available for process and temperature requirements to suit most applications.

Size Range:	DN32-DN1600 (1 1/4"-64")
Body Materials:	CF8M 316 Stainless Steel
Disc Materials:	CF8M 316 Stainless Steel
Seat Materials:	EPDM, NBR Buna, Hypalon, Viton, Silicone, High Temperature, Polyisoprene, Epichloridine
Actuated Function:	Lever Operated, Hand Wheel / Gear Box Operated, Extended / Extension Chain Wheel
Applications:	Potable/Waste/Sea Water, Cooling Systems, Oil, Gases, Air

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The water and wastewater flow control industry is essential because it underpins public health, environmental protection, and the reliable operation of modern infrastructure. Without effective control of water movement, clean drinking water could not be safely delivered to homes and businesses, and wastewater would not be properly transported or treated.

This would lead to contamination of water supplies, increased risk of disease, and serious environmental damage. Flow control systems ensure that water is treated correctly, pressures are maintained, and distribution networks operate efficiently without leaks or failures.

Valves used in water and wastewater flow control are designed to operate reliably in environments that can range from clean potable water to heavily contaminated, solids-laden fluids. One of their key characteristics is robust construction with strong corrosion resistance, as they are constantly exposed to moisture, treatment chemicals, and in some cases aggressive biological conditions.

Materials such as ductile iron with epoxy coatings, stainless steel, and resilient rubber linings are commonly used to protect against rust, chemical attack, and long-term degradation. These valves are also built for longevity, often installed in buried pipelines or remote locations where maintenance access is limited, so they must perform consistently over extended periods with minimal intervention.

It refers to the systems and equipment used to manage the movement of clean water and wastewater through pipelines, treatment plants, and distribution networks.

It ensures water is delivered efficiently, maintains pressure, prevents leaks, and supports safe and consistent supply to homes and businesses.

Water systems deal with clean, treated water for consumption, while wastewater systems handle used water that may contain solids, chemicals, and contaminants.

Common types include gate valves, butterfly valves, ball valves, check valves, and knife gate valves, each suited to different flow control needs.

They are lightweight, cost-effective, and ideal for large-diameter pipelines where space and ease of operation are important.

A check valve prevents backflow, ensuring that water or wastewater only flows in one direction and protecting equipment and infrastructure.

Special designs such as full-bore or knife gate valves allow solids and debris to pass through without clogging or restricting flow.

Ductile iron, stainless steel, and rubber-lined materials are commonly used due to their strength and resistance to corrosion.

Regular inspection and maintenance are required, with frequency depending on usage and conditions, but routine checks are essential to prevent failures.

Automation allows operators to control and monitor systems remotely, improving efficiency, response times, and overall system reliability.

Build-up of debris, corrosion, wear from constant use, and incorrect valve selection can all lead to performance issues or failure.

It ensures wastewater is properly treated before being released, protecting rivers, oceans, and ecosystems from pollution.

Please feel free to request information and advice using the form below or call us on 0151 547 1221

Water And Waste Water Flow Control