CU5MCUC Nicker Alloy High Temperature Top Entry Ball Valve

Product Overview

The CU5MCUC nickel-based alloy high-temperature top-entry ball valve is a special valve made of high-performance nickel-chromium-molybdenum-copper alloy, specially designed for extremely high-temperature corrosive working conditions. The product combines the maintenance advantages of the top-in structure with the outstanding performance of nickel-based alloys, providing reliable cut-off services in harsh environments such as chemical engineering and oil and gas, and can withstand high-temperature media up to 540℃.

Technical specifications

Product features

1. Advantages of CU5MCUC nickel-based alloy

Ultimate corrosion resistance

High chromium content (26-28%), high molybdenum content (3.0-4.0%), copper content (1.0-1.4%)

The pitting resistance index PREN is ≥ 38

Excellent resistance to stress corrosion cracking

Stable high-temperature performance

It maintains excellent strength and oxidation resistance at a high temperature of 540℃

There is no risk of σ phase precipitation during long-term service

2. High-temperature top-entry structure

Online maintainability

All internal components are maintained through top openings

There is no need to disassemble the pipeline, significantly reducing downtime

Modular design, key components can be replaced separately

Enhance structural integrity

The single-body valve design eliminates the potential leakage points of the split structure

The optimized stress distribution enhances the pressure-bearing capacity by 30%

3. High-temperature dedicated sealing system

Metal seal design

The sealing surface is made of supersonic sprayed tungsten carbide

Spring-loaded valve seat, automatically compensates for thermal expansion

Hardness: HRC ≥ 62, with excellent wear resistance

High-temperature packing system

Flexible graphite +Inconel 718 reinforcement

Supports long-term stable operation at 540℃

4. Safety protection design

Fire safety: Passed the fire test of API 607 Version 4

Anti-static design: The resistance value between the ball and the valve stem is less than 10Ω

Anti-blowout valve stem: T-shaped structure valve stem to ensure safe high-pressure operation

Core parameters

Pressure rating: Class 150-600 (PN16-100)

Temperature range: -29℃ to +540℃

Connection method: RF flange /RTJ ring connection/butt-weld end

Design standard: API 608 / ASME B16.34

Fire protection standard: API 607 / API 6FA

Application field

Chemical process: Sulfuric acid and phosphoric acid plants, organic acid system, media containing chloride ions

Oil and gas: highly acidic oil and gas fields, oil refining facilities, oil and gas transportation

Energy and power: Flue gas desulfurization system, high-temperature waste heat recovery

Special industries: hydrometallurgy, papermaking and cooking, seawater desalination

Summary

The CU5MCUC nickel-based alloy high-temperature top-entry ball valve, through the perfect combination of top-quality material selection, innovative top-entry structure and strict manufacturing standards, provides industrial users with:

Ultimate corrosion resistance: Service life is increased by 8 to 10 times in harsh corrosive environments

Outstanding high-temperature performance: Stable operation at 540℃

Reliable online maintenance: Significantly reduces downtime and maintenance costs

Long service life: The designed service life exceeds 20 years

This product is an ideal choice for handling high-temperature and highly corrosive media, and is particularly suitable for critical working conditions where extremely high reliability and service life of equipment are required.