API 6A Casing Head – High-Pressure Wellhead Component for Oil & Gas | QOF

Casing Head – High-Strength API Wellhead Component for Pressure Control

Product Details

  • Quantity
    100
  • Availability (Lead Time)
    4-6 Weeks
  • Product Location
    China
  • Condition
    New
  • OEM
    Quickoildfield
  • Equipment code
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Short Description

Robust casing head designed to support casing and tubing strings in wellhead systems. Engineered for high pressure containment, corrosion resistance, and compliance with API standards.

Description

Casing Head – High-Strength API Wellhead Component for Pressure Control

The Casing Head is a vital pressure-containing component installed at the top of the surface casing string during oil and gas drilling operations. It provides the foundation for subsequent wellhead equipment, offering a secure interface for casing hangers, tubing hangers, blowout preventers (BOPs), and other pressure control devices.

Constructed from high-strength, low-alloy carbon steel or corrosion-resistant alloys, the casing head is built to withstand high axial loads and internal pressures, ensuring long-term structural integrity in both onshore and offshore environments. Its precision-machined bowl and seal areas facilitate efficient installation and reliable sealing of casing strings, while the bottom connection can be threaded or welded for compatibility with surface casing.

Available with multi-bowl configurations, lock screws, and secondary seal options, our casing heads are designed to meet or exceed API 6A standards for performance, safety, and dimensional compatibility.

Specifications:

Product Type: Casing Head / Casing Spool
Size Range: 7” to 20” casing OD (custom sizes available)
Working Pressure: 2,000 psi to 20,000 psi
Material Grades:
 – AISI 4130, ASTM AISI 4140, Inconel cladding available
 – NACE MR0175 compliant for sour service (H2S)
Top Connections: Straight bore with lockdown screws, slip-type hanger support
Bottom Connections: Welded or threaded, API-standard box/pin
End Connections: API 6A flanged or hub-type
Sealing System: Elastomeric seals or metal-to-metal sealing, with optional secondary seals
Temperature Rating: –46°C to +121°C (–50°F to +250°F), per API 6A
Standards Compliance:
 – API 6A, PSL1–PSL4
 – PR1 / PR2 design validation
 – ISO 10423
Accessories: Lock screws, test plugs, wear bushings, running/retrieval tools
Coating Options: Phosphate coated, painted, or internal/external corrosion protection
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