Chemical, toxic and hazardous fluid containment is the backbone of safe industrial operations. In sectors where corrosive acids, caustic chemicals, solvents, hydrocarbons, chlorine-bearing liquids, toxic intermediates, or high-temperature process fluids are used every day, containment is not a “nice to have” — it is the difference between stable production and a serious incident.

Key benefits of valves for Chemical High-Pressure and High-Temperature Processes.

Key Features

In hazardous chemical service, compatibility is not only about the valve body. It’s every wetted part: seat, liner, stem, ball/disc, packing, gaskets, fasteners, and even spring materials inside an actuator accessory.

Key Features

The industry prioritises valves that seal reliably, both internally (shutoff) and externally (no leakage to atmosphere). That means suitable seat designs, appropriate shutoff classes where relevant, robust stem sealing (packing sets engineered for chemical service), and practical features like live-loaded packing where needed.

Key Features

Valves are frequently integrated into safety systems: emergency shutdown (ESD), double block and bleed (DBB) arrangements, fail-safe actuation (spring return), position feedback, and interlocks.

Mainly for use in highly corrosive environments and higher service temperatures the High Performance Wafer Pattern PTFE Manual Butterfly Valve features a split body design with four flanged hole drillings for easy maintenance and installation between flanges at desired locations within the pipeline where weight and space saving is a priority.The complete PTFE Seat avoids any possibility of cross-contamination providing a butterfly valve that is extremely resistant to chemicals and solvents with complete insolubility to 300°C. For additional abrasion resistance the option of a UHMWPE also is available.

Size Range:	DN40-DN300 (1 1/2"-12")
Body Materials:	GJS500-7 Ductile Iron Rilsan Coated
Disc Materials:	CF8M Coated PTFE FDA Approved
Seat Materials:	PTFE FDA Approved, UHMWPE
Actuated Function:	Lever Operated, Hand Wheel / Gear Box Operated, Extended / Extension Chain Wheel
Applications:	Chemical, Pharmaceutical, Petrochemical, Corrosive, Food & Beverage, Water, Vacuum

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This Lugged PTFE Lined Manual Butterfly Valve is suitable for both end of line shut off isolation and predictive maintennance schedules without disrupting both sides of the process. The PTFE seat and disc are fully encapsulated to offer a clean FDA approved contact surface with prolonged life expectancy. Higher temperatures are also acheived with this high performance butterfly valves. The split body design also provides replacement seat spares options when required. The TTV PTFE Seat Butterfly Valves are suitable for applications with slurries, liquids and bulk solids. The valves are intended for use in the chemical, food and beverage, pulp and paper industry or with seawater or other aggressive media where standard material are not suitable.

Size Range:	DN32-DN300 (1 1/4"-12")
Body Materials:	GJS500-7 Ductile Iron Rilsan Coated
Disc Materials:	CF8M Coated PTFE FDA Approved
Seat Materials:	PTFE FDA Approved, UHMWPE
Actuated Function:	Lever Operated, Hand Wheel / Gear Box Operated, Extended / Extension Chain Wheel
Applications:	Chemical, Pharmaceutical, Petrochemical, Corrosive, Food & Beverage, Water, Vacuum

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The TTV Stainless Steel Actuated PTFE Butterfly Valves offer a very similar aggressive resistance and food grade option to that of the standard Valve whilst also providing external protection including corrosive environments as well as covering wash down requirements. The CF8M 316 stainless steel body material is extemely corrosion resistant to extternal deisgn factors and prolongs the life of the vlave. PTFE seats are replaceable as standard with easy interchangeability through the split body design. TTV's valve seat design offer alsmost universal chemical application coverage (Please check if not detailed) and in non toxic as standard.

Size Range:	DN32-DN300 (1 1/4"-12")
Body Materials:	CF8M 316 Stainless Steel
Disc Materials:	CF8M Coated PTFE FDA Approved
Seat Materials:	PTFE FDA Approved, UHMWPE
Actuated Function:	Lever Operated, Hand Wheel / Gear Box Operated, Extended / Extension Chain Wheel
Applications:	Chemical, Pharmaceutical, Petrochemical, Corrosive, Food & Beverage, Water, Vacuum

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The TTV PTFE Lined Stainless Steel Butterfly Valve offers a bi-directional sealing solution with threaded screwed body lugs that allows for downstream pipe removal with maintenance schedules. The CF8M 316 stainless steel body material is extemely corrosion resistant to extternal deisgn factors and prolongs the life of the vlave. PTFE seats are replaceable as standard with easy interchangeability through the split body design. TTV's valve seat design offer alsmost universal chemical application coverage (Please check if not detailed) and in non toxic as standard. The TTV PTFE Lined and PTFE Seat Butterfly Valves are mainly used for highly corrosive applications that require optimum material resistance as well as clean or food grade requirements. The TTV PTFE material is approved by FDA.

Size Range:	DN32-DN300 (1 1/4"-12")
Body Materials:	CF8M 316 Stainless Steel
Disc Materials:	CF8M Coated PTFE FDA Approved
Seat Materials:	PTFE FDA Approved, UHMWPE
Actuated Function:	Lever Operated, Hand Wheel / Gear Box Operated, Extended / Extension Chain Wheel
Applications:	Chemical, Pharmaceutical, Petrochemical, Corrosive, Food & Beverage, Water, Vacuum

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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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Protecting people
Hazardous fluids can injure through skin contact, inhalation, ingestion, or reaction exposure. Many chemicals produce harmful vapours even at ambient temperatures. A minor leak at a valve packing or flange can become a chronic exposure risk for operators who work around it daily.

Containment systems reduce these exposures by preventing releases and ensuring that when maintenance is required, it can be done safely with isolation, draining, and decontamination steps that actually work.

Even small releases can contaminate drains, soil, or watercourses. Regulatory consequences can be severe, but beyond compliance, environmental impact can be lasting and expensive to remediate. Secondary containment, correctly specified valves, and leak detection help stop small issues becoming major incidents.

Valves used in chemical, toxic and hazardous fluid containment are defined first and foremost by their ability to withstand aggressive media while maintaining consistent sealing performance over time.

One of the most critical properties is full chemical compatibility across all wetted components, not just the valve body. This includes seats, liners, stem seals, packing, and internal components, all of which must resist corrosion, swelling, permeation, and degradation when exposed to specific chemicals, concentrations, and temperatures. Materials such as stainless steel, duplex alloys, and PTFE or PFA linings are commonly selected to handle highly corrosive or reactive substances.

Alongside this, thermal stability is essential, as many hazardous processes involve fluctuating or elevated temperatures that can impact material integrity and sealing performance.

It refers to the safe storage, control, and transfer of dangerous liquids to prevent leaks, spills, and exposure to people or the environment.

Valves control flow, isolate sections of pipework, and allow safe shutdowns, making them essential for both daily operation and emergency situations.

Ball valves, butterfly valves, diaphragm valves, and globe valves are all widely used depending on whether the application requires isolation, control, or handling of corrosive media.

Common materials include stainless steel, PTFE-lined components, and specialist alloys, all chosen based on their resistance to corrosion and chemical attack.

A lined valve has an internal coating (often PTFE) that protects against aggressive chemicals. It is used when standard metal valves would corrode too quickly.

They use sealing elements such as seats and stem packing to ensure fluids remain contained during operation and when the valve is closed.

It means the valve can fully stop flow with minimal or no leakage, which is especially important when handling toxic or hazardous fluids.

Not always, but actuated valves are often used for remote operation, improved control, and faster emergency response.

It refers to small leaks, usually around the valve stem, that escape into the atmosphere and can be harmful or hazardous.

They should be inspected regularly, with frequency depending on the application, but routine visual checks and scheduled maintenance are essential.

Incorrect material selection, corrosion, high temperatures, pressure changes, and build-up of solids can all lead to failure.

Choosing the right valve ensures safety, reduces the risk of leaks, improves system reliability, and helps maintain compliance with regulations.

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

Chemical High-Pressure and High-Temperature Processes