High-Pressure Cementing Connection Fitting
Product Overview
High-pressure cementing connection fittings provide secure, leak-free fluid transfer between high-pressure pumps, manifolds, and wellhead cementing heads. Built for extreme pressure and abrasive slurry flow, these forged components integrate directly into truck-mounted and skid-based cementing spreads. Each unit is machined from alloy steel forgings to withstand high-pressure pulses, mechanical fatigue, and erosive fluid media encountered during well construction and zonal isolation operations.
Key Features
Structural Integrity: Drop-forged from solid alloy steel blocks, eliminating internal casting voids and ensuring uniform grain flow along high-stress contours.
Flow Reliability: Smooth internal bores reduce flow turbulence and minimize localized erosion caused by abrasive cement slurries and proppants.
Field Maintenance: Standardized thread and union geometries allow fast make-up and breakdown in rig environments without specialized hydraulic tools.
Technical Specifications
|
Working Pressure Ratings |
5,000 PSI to 15,000 PSI CWP (Cold Working Pressure) |
|
Nominal Sizes |
2-inch, 3-inch, 4-inch (custom sizes available upon request) |
|
End Connections |
FIG 1502, FIG 1002, Line Pipe Thread (LP), API Round Thread, and Butt-Weld |
|
Temperature Range |
-29°C to +121°C (Standard Service), -46°C to +177°C (H2S / Sour Service) |
|
Design & Manufacturing Standard |
API Spec 6A and API Spec 16C compliant |
Applications
Cementing Units
High-pressure discharge and suction lines on twin-pump cementing trucks and offshore/onshore skid packages.
Manifold Trailers
Pumping manifolds, standpipe manifolds, and high-pressure distribution lines.
Well Intervention
Rig-up flowlines for displacement, squeeze cementing, and plug abandonment operations.
Materials & Configuration
Body Material: AISI 4130 / 4140 alloy steel, heat-treated to specific hardness levels matching service class requirements.
Sour Service Option: Manufactured from modified low-alloy steel conforming strictly to NACE MR0175 / ISO 15156 guidelines for H2S environments.
Surface Treatment: Phosphate-coated or zinc-plated exterior for corrosion resistance in marine and severe field atmospheres; internal anti-rust barrier applied post-machining.
Sealing Mechanism: Metal-to-metal primary seal combined with resilient elastomer secondary energizing rings to prevent pressure leakage under vibration.
Quality Control & Manufacturing Capability
Material Traceability: Raw material forgings supplied with mill test certificates (MTC) verifying chemical composition and mechanical properties per ASTM standards, bound by unique heat codes.
Machining Precision: CNC multi-axis turning and thread-milling centers maintain strict tolerance control on critical pitch diameters, Acme threads, and sealing shoulders.
Non-Destructive Testing (NDT): 100% Magnetic Particle Inspection (MPI) performed on critical stress areas, high-stress radii, and weld/connection zones.
Pressure Testing: Hydrostatic shell and seat pressure testing executed at 1.5 times the rated working pressure using calibrated test rigs prior to factory release.
Customization & OEM
Dimensional Adaptation
Custom length pup joints, specialized adapter crossovers, and non-standard thread configurations matched to legacy rig fleets and unique manifold layouts.
Technical Documentation
Full data packages available including material test reports, NDT inspection logs, hydrostatic pressure test charts, and certificate of conformity. CAD drawings and technical data sheets (PDF) available upon request.
OEM Branding
Stenciled part numbers, heat codes, working pressure ratings, and client-specified logo stamping.
Packaging & Shipping
Protection: Heavy-duty thread protectors installed on all male and female connections; sealing faces capped with high-impact plastic plugs.
Transport Securing: Shipped in ISPM 15-compliant heat-treated wooden crates or heavy-duty steel pallets designed to withstand international container and truck transit.
Documentation: Packing list, commercial invoice, certificate of origin, and quality test reports included in weatherproof exterior document pouches.
FAQ
Q: Are these fittings compatible with standard API union connections?
A: Yes. Connections are manufactured to interchange directly with standard field components matching identical figure numbers and pressure classes, such as FIG 1502 and FIG 1002.
Q: What material is recommended for sour cementing operations?
A: Material conforming to NACE MR0175 with controlled hardness levels (maximum 22 HRC) is required for sour gas environments containing hydrogen sulfide.
Q: What is the standard test pressure applied during factory inspection?
A: Fittings are hydrostatically tested at 150% of their rated working pressure in accordance with API quality specifications.
Q: Can custom length pup joints be ordered with mixed end connections?
A: Yes. Crossover configurations combining different union sizes or thread types can be engineered to match specific manifold layouts and piping geometries.
Q: What documentation is provided with each shipment?
A: Each delivery includes material traceability records, dimensional inspection sheets, and pressure test certificates tied to individual heat numbers.
Q: How should threaded connections be maintained in the field?
A: Clean threads thoroughly, inspect sealing shoulders for scoring, apply recommended thread compound, and make up to correct manufacturer-specified torque values.
Request a Quote
To receive a technical proposal, CAD drawings, and commercial quotation, please provide the following details:
Working Pressure & Size: (e.g., 15,000 PSI, 3-inch High-Pressure Cementing Union / FIG 1502)
Service Environment: Standard Service or Sour Service (NACE MR0175 compliant)
Configuration & Length: Union type, adapter crossover specifications, or pup joint length
Quantity: Required units per item
Documentation Requirements: Standard MTC, third-party inspection (DNV, ABS, or API witness), or specific country-of-origin paperwork
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