• 3 inch Fig 1502 choke bonnet extension rated 15000 PSI for high pressure flowline and API 6A choke valve systems, durable oilfield flow iron component
  • 3" 15,000 PSI Fig 1502 Choke Bonnet Extension – High-Pressure Flowline Component
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3" 15,000 PSI Fig 1502 Choke Bonnet Extension – High-Pressure Flowline Component

3" 15,000 PSI Fig 1502 Choke Bonnet Extension – High-Pressure Flowline Component

$385.00 USD
$462.00 USD $385.00 USD
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The 3" Figure 1502 Choke Bonnet Extension is a specialized, high-pressure structural component designed to be installed between the choke valve body and the bonnet assembly. Rated for a Cold Working Pressure (CWP) of 15,000 PSI, this extension is utilized in complex manifold configurations where the valve's adjustment mechanism—whether manual or automated—needs to be offset from the main flow path.

Manufactured from premium forged alloy steel, the bonnet extension is engineered to provide the same level of pressure containment and structural integrity as the primary choke body. It is often employed in applications requiring thermal insulation, where the extension allows for thick insulation wrapping around the body without interfering with the operation of the handwheel or actuator. It also provides a safety buffer in high-vibration environments, moving the mechanical top-works away from the core pressure vessel.

The extension features precision-machined internal bores to ensure the choke stem remains perfectly aligned across the added length. Built for extreme-service well testing and frac flowback operations, the 3" 1502 Choke Bonnet Extension ensures operational flexibility without compromising the safety or performance of the 15M pressure system.

Features & Benefits

  • 15,000 PSI CWP Rating: Fully rated to match the performance requirements of 15M choke and kill manifolds.

  • Extended Reach: Allows for the mounting of actuators or handwheels further away from the valve body, facilitating insulation or specialized mounting requirements.

  • Forged Alloy Steel Construction: Delivers high structural strength and resistance to fatigue and internal erosion.

  • Precision Stem Alignment: Internal bores are machined to exacting tolerances to ensure smooth, friction-free movement of the choke stem.

  • Standard 1502 Compatibility: Designed for seamless integration with industry-standard 3" Figure 1502 adjustable choke bodies and bonnet assemblies.

  • Corrosion Resistant: Often finished with industrial-grade coatings to withstand the harsh environmental conditions of the oilfield.

Specifications & Technical Details

Category Specification
Component Type Choke Valve Bonnet Extension
Compatibility 3" Figure 1502 Choke Valves
Pressure Rating 15,000 PSI CWP (15M)
Material Premium Forged Alloy Steel
Connection Style Hammer Union Style (Mates Body to Bonnet)
Service Type Standard Service (Sour Service options available)
Typical Applications Insulated manifolds, automated choke systems, frac flowback
Testing & Compliance Strict dimensional verification and material traceability

Applications

This 3" Figure 1502 choke bonnet extension is primarily used in specialized flow-control scenarios. Typical applications include insulated high-pressure manifolds where clearance is needed for thermal blankets, automated choke systems requiring specific actuator spacing, and well-testing headers where the manual operator needs to be moved for ergonomic or safety reasons.

Quality Assurance

Each bonnet extension is manufactured under rigorous quality control protocols. The component undergoes non-destructive examination (NDE) and precise dimensional inspection of the internal stem guides and threads to guarantee absolute structural integrity and blowout-proof performance under 15,000 PSI operational loads.

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