What is API Double Block and Bleed (DBB) valve?

An API (American Petroleum Institute) Double Block and Bleed (DBB) valve is a specialized valve designed to provide multiple isolation points within a single valve body, allowing for increased safety and efficiency in fluid control systems, particularly in the oil and gas industry. The API sets standards to ensure the quality, performance, and safety of such valves, commonly referred to as API 6D valves.

Here are the key features of an API Double Block and Bleed valve:

1. Double Block:

   The valve has two independent sealing mechanisms, providing double isolation. This means that both ends of the valve can be sealed off from the process fluid, creating a reliable barrier to prevent fluid flow in both directions.

2. Bleed/ Vent:

   In addition to the double block feature, there is a bleed or vent port between the two sealing components. This port allows for controlled release or venting of the trapped pressure between the seals, providing an added safety measure during maintenance or testing.

3. Compact Design:

   API DBB valves are designed to incorporate multiple functions (double block and bleed) within a single valve body. This compact design reduces the need for multiple valves and fittings, saving space and simplifying the overall system.

4. High-Pressure Applications:

   These valves are engineered to withstand high-pressure conditions commonly encountered in the oil and gas industry, making them suitable for critical applications where pressure containment is essential.

5. Material Selection:

   API DBB valves are available in various materials, including carbon steel, stainless steel, and alloy steel, to accommodate different process fluids and environmental conditions.

6. API 6D Compliance:

   API 6D is a standard set by the American Petroleum Institute for pipeline valves, including DBB valves. Compliance with this standard ensures that the valves meet specific criteria for design, manufacturing, testing, and performance.

Applications:
API Double Block and Bleed valves are widely used in the oil and gas industry, especially in applications such as:

• Pipeline Isolation: Providing a double barrier for isolating sections of pipelines.
• Wellhead and Manifold Systems: Ensuring safety and reliability in upstream oil and gas operations.
• Refinery Processes: Handling high-pressure fluids and maintaining system integrity during maintenance.

These valves play a crucial role in enhancing safety, reducing the risk of fluid leaks, and facilitating maintenance activities in critical fluid control systems.

Discover Unparalleled Safety with Brans Valves India Pvt. Ltd.'s API Double Block and Bleed Valves

In the realm of fluid control, where precision meets safety, Brans Valves India Pvt. Ltd. proudly presents its API Double Block and Bleed Valves. Engineered to the stringent standards set by the American Petroleum Institute (API 6D), our valves redefine safety, reliability, and efficiency in critical applications.

Brans Valves’ Double Block and Bleed Valve series Features:

• Size Range: Available from 1/2" to 12" (15NB-300NB).
• Pressure Class: Suited for pressure ratings ranging from 150# to 2500#.
• Materials: Crafted from top-notch materials including Carbon Steel (CS), Stainless Steel (SS), Alloy Steel, Duplex Stainless Steel (DSS), Nickel Alloys, and Bronze for enhanced durability.
• Valve Types: Choose between Trunnion and Floating Ball options with Full and Reduced Bore configurations.
• Safety Features: Equipped with an Anti-Static Device and Blow-out Proof Stem for enhanced security.
• Fire Safe Design: Complies with the highest standards, ensuring reliability even in extreme conditions.
• Low Emission: Environmentally conscious design for reduced emissions.
• Actuation Options: Manual operation with Hand Lever or Gear Box, or opt for Pneumatic, Hydraulic, or Electrical Actuators for seamless control.
• Specialty: Metal-to-Metal Seated for superior performance.

Compliance & Specialization:

• Design: Meets stringent standard, API 6D.
• Face to Face: Complies with ASME B16.10 and API 6D for precise dimensions.
• End to End: Options include Butt Weld (BW), Flanged, and Ring Type Joint (RTJ) ends.
• BW End: Conforms to ASME B16.25 standards.
• Testing: Certified to API 598, API 6D, BS 6755, and 12266 for uncompromised quality.
• Fire Safe Design: Adheres to API 607/6FA standards for enhanced fire safety.
• Special: NACE MR-01-75/0103 compliant, meeting the highest industry standards.

Why Brans Valves India Pvt. Ltd.?

• Customized Solutions: Tailoring valves to meet the unique needs of your industry.
• Global Standards, Local Excellence: Adherence to international API standards guarantees reliability and safety.
• Compact and Efficient: Our valves optimize space without compromising performance.
• Proven Performance: Join a legacy of success with Brans Valves your trusted partner in fluid control.

Elevate Your Safety Standards with Brans Valves India Pvt. Ltd. Where Precision Meets Reliability!

Contact us today to explore the unparalleled safety features of our API Double Block and Bleed Valves. Choose Brans Valves for a new era of safety and efficiency in your critical applications.