High-pressure Union

A high-pressure union is a specialized pipe connector designed to join two sections of high-pressure piping or equipment while allowing for quick assembly and disassembly. It ensures a secure, leak-tight seal even under extreme pressure, temperature, and corrosive conditions.

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Product Introduction

Product Description

The High-pressure Union is a quick-connect component used in oil and gas, wellhead, and high-pressure fluid transport systems. It is specifically designed for high-pressure, high-impact, and high-frequency disassembly and assembly conditions.

Products advantages

Reliable Sealing: Employs a metal-to-metal sealing structure, forming a self-reinforcing seal under high pressure through a precision conical fit.

Extremely High Pressure Capacity: Designed for high-pressure operation, with a rated working pressure of 20,000 psi (≈138 MPa) and above.

Compatible with Mainstream Standards: Interface dimensions are compatible with common standards such as API, WECO, and NPT, allowing direct matching with existing high-pressure manifolds and equipment.

Corrosion Resistant: Constructed from high-strength alloy steel or stainless steel, and heat-treated and surface-strengthened.

Applications

Oil and gas wellhead systems: Connect wellheads to pipelines under high pressure and shock conditions, ensuring a safe seal.

Oilfield manifolds and testing systems: Withstand frequent pressure changes, ensuring stable system operation.

Fracturing and high-pressure injection operations: Provide reliable connections under ultra-high pressure and strong vibration conditions.

Industrial high-pressure fluid transportation: Used for rapid connections in high-pressure liquid or gas pipelines.

Manufacturing Process

Forging/Monolithic Bar Machining: Dense structure, improving pressure resistance and fatigue resistance.

CNC Precision Machining: Strict control of sealing surface accuracy ensures reliable metal sealing.

Heat Treatment: Enhances strength and toughness, preventing high-pressure deformation or cracking.

Surface Corrosion Protection Treatment: Improves corrosion resistance, adapting to harsh operating conditions.

Pressure and Sealing Testing: Verifies safety and reliability under rated pressure.

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