• 3-inch 15,000 PSI FIG 1502 positive choke blind assembly with 1/2 inch tap for oil and gas flowline high pressure iron systems
  • 3" 15,000 PSI Fig 1502 Positive Choke Blind Assembly with 1/2" Tap – Oil & Gas Flowline Fitting
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3" 15,000 PSI Fig 1502 Positive Choke Blind Assembly with 1/2" Tap – Oil & Gas Flowline Fitting

3" 15,000 PSI Fig 1502 Positive Choke Blind Assembly with 1/2" Tap – Oil & Gas Flowline Fitting

$565.00 USD
$678.00 USD $565.00 USD
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The 3" Figure 1502 Positive Choke Blind Assembly with a 1/2" Tap is a specialized, high-pressure closure unit designed for the secure isolation of flowlines and manifolds while providing a dedicated port for instrumentation or pressure relief. Rated for a Cold Working Pressure (CWP) of 15,000 PSI, this assembly is engineered for extreme-service applications such as well testing, hydraulic fracturing, and flowback operations.

The defining feature of this assembly is the precision-machined 1/2" NPT tap centered in the blind plug. This port allows operators to install pressure gauges, transducers, or needle valves directly into the isolated section, enabling real-time pressure monitoring or safe bleed-off of trapped gases and fluids before disassembly. The complete unit consists of the forged alloy steel blind plug, a heavy-duty Figure 1502 wing nut, retainer segments, a retainer ring, and a high-performance elastomeric seal for bubble-tight containment.

Built to withstand abrasive fluids and severe mechanical vibration, the 3" 1502 Tapped Blind Assembly ensures maximum safety and operational flexibility when configuring complex high-pressure manifolds.

Features & Benefits

  • Integrated 1/2" NPT Tap: Provides a secure connection point for pressure monitoring gauges, sampling equipment, or bleed-off valves.

  • 15,000 PSI CWP Rating: Engineered to safely handle extreme pressures in critical upstream well-control environments.

  • Forged Alloy Steel Construction: Delivers exceptional structural integrity and resistance to mechanical impact and fatigue.

  • Complete Assembly: Supplied with the blind plug, wing nut, segments, and seal for immediate, drop-in field use.

  • Positive Sealing: Utilizes a pressure-energized elastomeric seal to prevent hazardous leaks under maximum operational loads.

  • Standard Interchangeability: Fully compatible with all industry-standard 3" Figure 1502 hammer union connections and choke bodies.

Specifications & Technical Details

Category Specification
Component Type Tapped Choke Blind Assembly / Blanking Plug
Figure Number Figure 1502
Size 3"
Pressure Rating 15,000 PSI CWP (15M)
Tap Size 1/2" NPT (Threaded Port)
Material High-Strength Forged Alloy Steel
Included Components Tapped Blind Plug, Wing Nut, Segments, Retainer Ring, Seal
Service Type Standard Oilfield Service
Typical Applications Positive choke manifolds, well testing, instrumentation access
Testing & Compliance Dimensional verification and hydrostatic testing to industry standards

Applications

This 3" tapped blind assembly is essential for high-pressure operations requiring instrumentation access or controlled venting. Typical applications include monitoring pressure on dead-ended branches of a frac manifold, installing bleed-off valves on well-testing lines, and providing a sampling port on high-pressure flowline termination points.

Quality Assurance

Each assembly is manufactured under rigorous quality control standards. The tapped port and main body undergo precise dimensional inspection and non-destructive examination (NDE) to guarantee absolute structural integrity and leak-free performance under 15,000 PSI field conditions.

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