High Pressure Di Flange Adaptor Full Machining OEM 4 Flange Adapter

Product Overview

The High-Pressure DI Flange Adaptor is a fully machined 4-flange connector designed for demanding wellhead and oilfield applications. Manufactured to exacting OEM standards from high-strength steel, it provides superior mechanical reliability, corrosion resistance, and precise alignment. This adaptor ensures secure connections across multiple flange interfaces, supporting efficient fluid transfer, operational safety, and long-term durability in both onshore and offshore high-pressure drilling environments.

Technical Features

1. Pressure Rating: 2,000 – 20,000 PSI
2. Size Range: 2" to 4" (custom sizes available)
3. Material Class: AA – HH, forged high-strength alloy steel
4. Temperature Rating: –46°C to +121°C
5. Connection Type: Hammer union / flange / threaded / welded ends
6. Sealing Type: NBR, HNBR, or FKM seals for H₂S & CO₂ environments
7. Rotation Capability: Full 360° rotation, minimizing mechanical stress
8. Surface Treatment: Anti-corrosion coating for extended service life

Advantages

Allows smooth rotation to prevent pipeline twisting

High sealing reliability under fluctuating pressure

Compatible with standard API hammer unions and adapters

Compact, durable design suitable for onshore and offshore use

Easy assembly, inspection, and maintenance

Applications

1. Oilfield drilling and workover operations
2. Wellhead and choke manifold flowline systems
3. Fracturing, cementing, and acidizing units
4. High-pressure transfer lines for mud, gas, or cement
5. Testing and production facilities requiring flexible pipeline connections