TRUST PLUS for Engineering Services

Why Isolating Spark Gaps Matter in Cathodically Protected Pipelines ?

Electrical isolation joints are essential for maintaining the effectiveness of Cathodic Protection (CP) systems. However, they can become vulnerable when exposed to lightning strikes, switching surges, or induced overvoltages.

This is where Isolating Spark Gaps (ISGs) play a critical role.

By remaining non-conductive during normal operation, an ISG preserves the electrical isolation required for proper CP performance. But when a high transient voltage occurs, it instantly provides a controlled discharge path, safely diverting the surge across the insulating joint.

Key Benefits:
✔ Protects insulating joints from dielectric breakdown.
✔ Safeguards CP system integrity without compromising isolation under normal conditions.
✔ Reduces the risk of costly pipeline damage and unplanned outages.
✔ Increases the reliability and service life of critical pipeline infrastructure.
✔ Provides effective protection against lightning and switching surges.

In modern pipeline networks, an Isolating Spark Gap is not just an accessory—it’s a vital protection device that bridges the gap between electrical safety and corrosion protection.

Protect your assets. Preserve your cathodic protection system. Enhance long-term pipeline reliability. Let's Connect: www.trust-pa.com

When High-Voltage Power Lines Cross Cathodically Protected Pipelines… Hidden Risks Can Become Costly Failures.

Underground metallic pipelines carrying oil, gas, or water are commonly protected by Cathodic Protection (CP)systems to prevent corrosion. However, when these pipelines share corridors or cross high-voltage AC transmission lines, a new challenge emerges.

The interaction between power lines and buried pipelines can create several serious issues:

⚠️ AC Induced Voltage
Electromagnetic coupling from nearby transmission lines can induce hazardous AC voltages on the pipeline, creating safety risks for personnel during maintenance and increasing touch voltage hazards.

⚠️ AC Corrosion
Even with an effective cathodic protection system, alternating current can accelerate localized corrosion, leading to unexpected coating damage and pipeline integrity issues.

⚠️ Interference with Cathodic Protection
Electrical interference may disturb CP current distribution, making it difficult to maintain adequate protection levels along the pipeline.

⚠️ Fault Current & Lightning Events
During power system faults or lightning strikes, very high transient currents can be transferred to the pipeline, threatening insulation joints, CP equipment, and sensitive monitoring devices.

The Engineering Challenge, the ideal solution should:
✔ Maintain the effectiveness of the Cathodic Protection system (DC isolation).
✔ Safely discharge induced AC voltages.
✔ Divert lightning and power fault currents to earth.
✔ Protect personnel, pipeline assets, and CP equipment.

The DEHN SE Solution
DEHN DC Decoupler provides an intelligent solution by combining DC isolation with low-impedance conduction for AC and surge currents.

Its operating principle is straightforward:
✅ Blocks DC current, preserving cathodic protection performance.
✅ Conducts induced AC safely to ground, reducing hazardous touch voltages.
✅ Provides a discharge path for lightning impulses and power system fault currents.
✅ Protects insulating joints, pipelines, and cathodic protection installations without compromising corrosion protection.

For pipeline operators, EPC contractors, and corrosion engineers, a properly selected DC Decoupler is no longer just a protective accessory—it’s a critical component for ensuring pipeline integrity, personnel safety, and long-term asset reliability in shared utility corridors.

Protect the pipeline. Preserve the CP system. Mitigate AC interference.
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Precision Deserves Reliable Protection.

Sensitive measuring and instrumentation circuits are the backbone of every modern industrial facility. Even a minor surge can lead to inaccurate readings, equipment damage, or costly downtime.

We provide complete engineering, supply, installation, testing, and commissioning services for Surge Protective Devices ( ) for manufactured by DEHN SE, ensuring dependable protection for your critical instrumentation and control systems.

Our solutions are designed for a wide range of applications, including process automation, oil & gas, power plants, water treatment facilities, manufacturing, and industrial control systems, helping safeguard PLCs, transmitters, sensors, analyzers, and other sensitive electronic equipment.

From engineering design and product selection to installation and commissioning, our team is committed to delivering solutions that enhance system reliability and operational continuity.

Protect your measurement and control systems with world-class surge protection—backed by trusted engineering expertise.

📩 Contact us today to discuss the right protection solution for your project: www.trust-pa.com

Foundation Earthing System

Need LPS Help? Ask ME!

A properly designed Foundation Earthing System is the backbone of every reliable Lightning Protection System.

Our engineers can help you with:
✔ Foundation Earthing Design
✔ Reinforcement Bonding
✔ Earth Resistance Optimization
✔ Compliance with IEC 62305 & IEC 62561
✔ Material Selection

Avoid costly mistakes before construction starts.

📩 Book your FREE consultation: [email protected]

DEHN SE leaves nothing to chance when it comes to concrete-embedded earthing systems. ⚡

Every detail has been carefully studied and engineered to ensure long-term reliability, safety, and compliance.

Today, let’s explore one of these important details:
Expansion Strap for Foundation Earth Electrodes
This solution is specifically designed for civil construction applications, particularly at structural expansion joints in large concrete foundations.

Why is it important?
When a foundation consists of multiple sections separated by expansion joints, maintaining the continuity of the foundation earth electrode becomes a challenge. DEHN’s Expansion Strap provides a practical and reliable solution.

How does it work?
It enables the foundation earth electrode to pass safely across structural expansion joints.
There is no need to bring the earth electrode out of the foundation slab, simplifying installation and improving durability.

The polystyrene block is cast into one concrete section, while the opposite end of the expansion strap remains free and is later incorporated into the adjacent section, ensuring continuous electrical bonding despite structural movement.

A small engineering detail—but one that plays a significant role in ensuring the integrity and performance of the entire grounding system.

At DEHN SE, every detail matters because reliable earthing starts with smart engineering.

Let's Connect: www.trust-pa.com

Secure Your Network. Protect Your Data.

In today’s digital infrastructure, a single surge can disrupt communication, damage network equipment, and lead to costly downtime.

We provide complete engineering, supply, installation, testing, and commissioning services for Ethernet Surge Protective Devices ( ) manufactured by DEHN SE, ensuring reliable protection for Ethernet-based communication networks against lightning-induced surges and transient overvoltages.

Our solutions are ideal for protecting industrial Ethernet networks, PLCs, SCADA systems, IP cameras, access control systems, data centers, building automation, and IT infrastructure, helping maintain network availability and safeguard critical equipment.

From engineering consultation and product selection to installation and commissioning, our experienced team delivers tailored solutions that meet the highest standards of performance and reliability.

Partner with us to protect your network infrastructure with trusted surge protection solutions from DEHN SE.

📩 Contact us to find the right solution for your next project: www.trust-pa.com

Reliable Protection for Your Communication Systems

In today’s connected world, protecting signal and communication lines is just as important as protecting power systems.

We provide complete engineering, supply, installation, testing, and commissioning services for Coaxial Surge Protective Devices ( ) manufactured by DEHN SE, ensuring reliable protection for sensitive communication and RF equipment against lightning-induced surges and transient overvoltages.

Our solutions are ideal for applications including telecommunication networks, broadcasting systems, CCTV, wireless communications, GPS installations, and industrial RF systems, helping maintain uninterrupted operation and extend equipment life.

From system assessment and product selection to installation and commissioning, our team delivers end-to-end support tailored to your project’s requirements.

Protect your communication infrastructure with proven surge protection solutions from DEHN SE—delivered with trusted engineering expertise.

📩 Contact us to learn how we can support your next project: www.trust-pa.com

Reliable Isolation. Proven Protection.

When electrical isolation and controlled fault current discharge are critical, choosing the right solution is essential.

We provide complete engineering, supply, installation, testing, and commissioning services for solutions manufactured by DEHN SE, delivering reliable performance for demanding industrial and infrastructure applications.

Designed to maintain electrical isolation under normal operating conditions while safely conducting high-energy transient or fault currents when required, DEHN SE play a vital role in ensuring personnel safety, equipment protection, and system reliability. Whether your project involves power plants, substations, oil & gas facilities, renewable energy installations, or other critical infrastructure, our experienced team is ready to support you with end-to-end engineering and ex*****on services.

Partner with us for trusted solutions that combine global technology with local engineering expertise.

📩 Contact us today to discuss your project requirements: www.trust-pa.com

كل عام وانتم بخير
بمناسبة العام الهجري الجديد - ١٤٤٨ هـ
دمتم في خير

Welcome back after the Eid Al-Adha holiday!

We hope everyone had a wonderful time celebrating with family and friends and returns refreshed and ready for new opportunities.

As we begin this new working period, let’s also remember the importance of lightning protection and grounding systems in protecting lives, assets, and business continuity. Investing in safety today helps prevent costly risks tomorrow.

Wishing you all a successful, productive, and safe return to work.

Happy Eid Al-Adha and best wishes for continued success!
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