IMI Th Jansen Valve Technologies: Engineering reliability for real operating conditions

Partnering closely with customers across high‑demand industries such as energy, oil and gas, and petrochemical production means we understand reliability in real terms, not just in theory. It’s measured through consistent uptime, uncompromised safety, and dependable control under everyday operating conditions.

As industrial processes become more complex, valve performance grows increasingly important. It directly influences operational stability, maintenance requirements, and the long‑term value of plant assets.

That’s why, in close collaboration with our customers, we engineer IMI Th Jansen valves to perform reliably under real operating conditions over time. Our experts focus not just on initial performance, but rather on sustained, in-service behaviour throughout the product lifecycle.

Working with you, we engineer IMI Th Jansen valve technologies based on real in-service behaviour over time, not just initial performance. Designed for harsh, high‑demand conditions, our valve solutions deliver dependable isolation and flow control, enabling predictable performance, fewer interventions, and extended service life.

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In severe service industries, abrasive and high-temperature media are part of daily operations. Protecting sealing systems is therefore critical to maintaining long‑term plant reliability.

Industrial systems rarely operate under ideal conditions. Dust‑laden flows, abrasive solids, extreme temperatures, aggressive chemicals, and fluctuating pressures continuously strain valve assets. In these environments, even small design compromises can quickly lead to wear, leakage, and unplanned downtime.

The RHEFLA Flat Plate Gate Valve reflects our real‑world approach to valve design. Its fully protected sealing rings minimise wear from the outset, even in aggressive media. With capabilities up to 100 bar, temperatures up to 700 °C, and sizes from DN 50 to DN 1500, RHEFLA delivers consistent isolation under the most demanding conditions.

When open, RHEFLA valves maintain an unobstructed flow path, resulting in minimal pressure loss. Exchangeable sealing rings simplify maintenance, extend service life, and reduce material waste. Rather than forcing the process to adapt to the valve, RHEFLA technology adapts to the process—supporting longer service intervals and fewer interventions.

In a petrochemical decoking application, frequent seal degradation had led to leaks and unplanned shutdowns. After installing RHEFLA valves, sealing performance remained stable across operating cycles, eliminating mid‑run interventions and significantly reducing maintenance downtime.

Processes involving acids, slurries, or corrosive liquids demand absolute reliability. In these environments, material selection and sealing integrity are critical to safe, stable operation.

IMI Th Jansen RH valve technology is engineered specifically for the most aggressive operating conditions. Manufactured from specialised alloys and featuring durable metal‑to‑metal sealing, RH valves resist chemical attack and corrosion that quickly compromise conventional designs.

With a maintenance-free, spring-loaded stuffing box and operating pressures up to 25 bar (DN 50 to DN 500), RH valves deliver stable, predictable performance while reducing ongoing maintenance requirements. For plant teams, this means fewer leaks, lower risk of unplanned shutdowns, and improved operational safety.

RH wedge‑type gate valves are widely used across oil and gas and petrochemical applications, including concentrated sulphuric and phosphoric acid and vinyl chloride services. The wedge mechanism provides secure sealing under extreme conditions, while exchangeable sealing rings help reduce maintenance effort and simplify shutdown planning.

Long-term reliability depends not only on design but also on how equipment is maintained.

IMI engineers Th Jansen valve technologies with serviceability and refurbishment in mind. During planned shutdowns, critical wear components can be replaced to restore near‑original performance without full valve replacement—extending asset life, reducing capital expenditure, and minimising waste.

Beyond hardware, IMI supports maintenance planning through detailed performance assessments. Our engineers review equipment condition, maintenance practices, and spare‑parts strategies, providing targeted recommendations to improve uptime and shorten outage duration. By enabling planned, targeted interventions, we help customers improve planning accuracy, reduce operational risk, and lower environmental impact.

A partner mindset for industrial engineering teams

Experienced engineering and operations teams value partners who understand real operating conditions, design with maintenance in mind, and support assets throughout their lifecycle.

IMI brings this partner mindset to Th Jansen valve technologies by combining robust engineering with application expertise, lifecycle services, and global support. The result is greater planning certainty, more predictable shutdowns, and confidence that critical isolation equipment will perform when it matters most.

Because in industrial operations, reliability ultimately means trusting the equipment that keeps the process running.

To learn how IMI Th Jansen valve technologies can improve reliability, uptime, and lifecycle performance in your operation, visit our dedicated web page. Speak with our experts or explore severe‑service applications to find the right solution for your requirements.

Performance ranges are subject to application conditions.