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DFB Series

The DFB Series primary isolation valve features a robust one-piece, integrally forged body with flanged connections at both ends for secure, high-integrity installation. Designed in a Ball/Needle/Ball configuration, it provides reliable double isolation with an integrated needle valve for safe venting and verification. Ideal for critical process applications, the DF B range ensures dependable performance in demanding oil and gas environments.

FEATURES

One-piece, integrally forged body for maximum strength and leak integrity
Flanged connections on both ends (flange x flange)
Ball/Needle/Ball configuration for positive double isolation and venting
Connection sizes from ½” to 3”
Pressure ratings from ASME 150 to 2500
Temperature range: -46°C to 200°C (-51°F to 392°F)

 

Download Data Sheet (PDF)

Need something bespoke?

Because standard products don’t always fit the application.

At Colson Valves, we design and manufacture bespoke valve solutions in-house, which means we can move quickly on late specification changes, tight timelines and complex operating conditions – without compromising quality or compliance.

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