Water Seal

Reliable Flashback Prevention and Pressure Isolation with Engineered Water Seals

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Water seal used to prevent air ingress and flashback in gas and flare systems.

Overview

CRA Water Seals are engineered flare safety devices designed to prevent flame flashback and provide pressure isolation between the process header and flare stack. By maintaining a liquid barrier within the seal vessel, the system blocks flame propagation while allowing controlled gas flow to the flare. Designed for continuous industrial service, CRA water seals ensure safe flare operation during normal, upset, and emergency conditions.

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Key Benefits

Here’s how they keep your operations safe, efficient, and

1
Flashback Prevention

Liquid seal barrier prevents flame propagation from the flare stack into process piping.

2
Pressure Isolation

Isolates upstream equipment from flare backpressure and pressure fluctuations.

3
Passive Safety Design

Operates without moving parts, ensuring reliable performance with minimal maintenance.

4
Stable Flare Operation

Maintains safe system separation during normal and emergency flare conditions.

5
Engineered for Harsh Service

Designed for high-temperature, corrosive, and variable flare gas environments.

Projects That Push Boundaries

See how we turn hard problems into high-performance infrastructure.

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The CRA Edge

With decades of flare system expertise, CRA goes beyond equipment — we deliver full solutions.

Flare Safety

Deep expertise in flare system safety and protection devices.

Engineered Design

Hydraulically sized water seals matched to flare system duty.

Standards Focus

Designed in line with accepted flare safety practices.

Seamless Integration

Compatible with CRA and third-party flare systems.

Applications

See how we turn hard problems into high-performance infrastructure.

Flashback prevention in flare headers
Emergency and relief gas discharge systems
Flare system safety compliance
Integration with flare knockout drums
Pressure isolation between process units and flare
Protection of upstream piping and equipment
Handling of high-pressure relief events
Redundant flare safety protection

Our Clients

Relevant Industries

Discover how our enclosed flare systems help diverse industries meet tough safety and compliance demands.

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Our Resources

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Tecnical Datasheet
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Tecnical Datasheet
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Tecnical Datasheet
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Tecnical Datasheet
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Frequently Asked Questions

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Custom engineered. Properly scoped.

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