Product Overview
The CK3MCuN austenitic stainless steel high-temperature anti-corrosion super top-in ball valve is a high-end special valve made of super austenitic stainless steel CK3MCuN. This product integrates outstanding corrosion resistance, high-temperature stability and an innovative super jacking structure. It is specially designed for extremely harsh working conditions in chemical engineering, Marine engineering and other fields, and is the ultimate fluid control solution for achieving long-term reliable operation.
Technical specifications
| Parameter category | technical specification |
| Valve body material | ASTM A351 CK3MCuN (Super austenitic stainless steel) |
| Pressure rating | Class 150-600 (PN16 - PN100) |
| Temperature range | -50℃ to +300℃ |
| Connection method | RF flange/RTJ ring connection/butt-weld end |
| Spherical material | CK3MCuN + HVOF tungsten carbide spraying |
| Valve seat material | reinforced RPTFE/aligned polystyrene PPL/metal seal |
| Fire protection standards | API 607/API 6FA Fourth Edition |
| Leakage grade | ANSI B16.104 Class VI |
| Design standard | API 608 / ASME B16.34 |
Product features
1. CK3MCuN Super Austenitic stainless steel
Ultimate corrosion resistance
High molybdenum content (6.0-7.0%), pitting corrosion equivalent PREN ≥ 47
High nitrogen content (0.18-0.26%), enhancing strength and corrosion resistance
Excellent resistance to chloride stress corrosion cracking
Outstanding mechanical performance
Tensile strength ≥ 620 MPa
The yield strength is ≥ 300 MPa
Hardness HB ≤ 223
2. Super push-in structure
Online maintainability
All internal components can be maintained through the top opening
There is no need to remove the valve from 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 anti-corrosion design
High-temperature stability: Maintains excellent mechanical properties and corrosion resistance at a high temperature of 300℃
Specialized sealing system
High-temperature enhanced PTFE valve seat, with a temperature resistance of up to 260℃
Metal sealing option, with a temperature resistance of over 300℃
Thermal cycling adaptability: Special thermal expansion compensation design to adapt to frequent temperature fluctuations
4. High-performance configuration
Anti-blowout valve stem: T-shaped structure valve stem to ensure safe operation under high pressure
Anti-static design: The resistance value between the ball and the valve stem is less than 10 Ω
Fire safety: Passed the strict API 607 fire resistance test
Low-torque operation: Self-lubricating bearings reduce operating torque by 25%
Core parameters
Pressure rating: Class 150-600 (PN16 - PN100)
Temperature range: -50℃ to +300℃
Connection method: RF flange/RTJ ring connection/butt-weld end
Design standard: API 608 / ASME B16.34
Fire protection standard: API 607/API 6FA, 4th Edition
Application field
Chemical process: Strong acid and strong alkali media, corrosive environment containing chloride ions
Marine engineering: Seawater cooling systems, submarine pipeline systems
Oil and gas: Acidic oil and gas fields, crude oil transportation pipelines
Special industries: Flue gas desulfurization systems, hydrometallurgical processes
Summary
The CK3MCuN austenitic stainless steel high-temperature anti-corrosion super jacking ball valve, through the perfect combination of top-quality material selection, innovative structural design and strict manufacturing standards, provides industrial users with:
Ultimate corrosion resistance: Service life is increased by 5 to 8 times in harsh corrosive environments
Outstanding online maintainability: Significantly reduces downtime and maintenance costs
Reliable high-temperature performance: Stable operation at 300℃
Long service life: The designed service life exceeds 20 years
This product is an ideal choice for handling highly corrosive and high-temperature media, and is particularly suitable for critical working conditions where extremely high reliability and service life of equipment are required.
| Brand | DIDTEK |
| Structure | Ball |
| Valve Material | Didtek provide cast steel, stainless steel, special alloy, CI, DI etc |
| Valve Type | Didtek Produce Ball Valve |
| Valve Test | 100% quantity tested before delivery |
| Valve Guarantee | 18 months after shipments and 12 months after installed |
| Valve Structure | Ball Valve |
| Valve Delivery | 15 - 30 days |
| Valve Sample | Sample Available by Didtek Valve |
| Valve Color | Customer request |
| Valve Packing | Plywood Case for Ball Valve |
| MOQ | 1 Set |
| Valve Certificate | API6D/CE/ISO9001/ISO14001 |
| Place of Origin | Zhejiang, China (Mainland) |
| Delivery Detail: | Shipped in 15-30 days after payment |
| Port | Shanghai Or Ningbo |
| Payment Terms | L/C,D/A,D/P,T/T, Western Union |