ASTM A182 A105 STEEL NOZZLE FLANGES USE FOR HEAT EXCHANGER PART
YUHONG GROUP Stainless / Duplex /Super Duplex /Nickel Alloy / Cr-Mo alloy /Copper Nickel alloy steel pipe /tube /fitting/flange export more than 80 coutries, our brand "Yuhong" already won good reuptation in the world market , more and more client keep our goods in stock , and more and more client use our brand to join tender of their new project.
1. Basic Product Information
Product Name: Forged High-Pressure Nozzle (Connection Nozzle / Nozzle Neck)
Applicable Standards: ASME B16.5, ASME B16.11, ASME VIII Div.1
Common Materials: 304/304L, 316/316L, Duplex Steel (2205/2507), Nickel-based Alloys, Carbon Steel/Alloy Steel, etc.
Manufacturing Process: One-piece forging + CNC machining, seamless integrated forming
Pressure Rating: Class 150 ~ 2500, designed for high-temperature, high-pressure and highly corrosive working conditions
2. Core Features & Advantages
- Integral Forged Structure for Superior Strength Manufactured from a single forged billet without any welded joints, eliminating the risk of welding defects. It offers exceptional fatigue resistance and impact resistance, far exceeding the performance of welded nozzles, ensuring reliable operation under extreme pressure fluctuations and thermal cycling.
- Excellent Adaptability to High-Pressure ConditionsThe thick forged body, combined with precision-machined sealing surfaces and connection sections, ensures stable performance in high-pressure, high-temperature, and corrosive environments, meeting the strict safety connection requirements of key equipment in the oil & gas, chemical, and power industries.
- Stable Material Performance with Superior Corrosion & Fatigue ResistanceMade of high-quality stainless steel/alloy materials with uniform microstructure and low impurity content. It exhibits excellent resistance to intergranular corrosion and stress corrosion cracking, ensuring leak-free performance over long-term operation.
- Precision Machining & Full Quality Control Sealing faces, flange faces, and connection sections are all precision-machined to high dimensional accuracy and superior surface finish. Every nozzle undergoes rigorous inspections including NDT (Non-Destructive Testing), hydrostatic testing, and hardness testing, fully complying with engineering-grade quality requirements of ASME and GB standards.
- Customizable to Fit Your Exact Needs We offer custom non-standard dimensions, pressure ratings, and sealing face types (RF/RJ) based on your equipment operating parameters. Our nozzles are designed to perfectly fit the opening connection requirements of reactors, pressure vessels, storage tanks, heat exchangers, and other equipment.
3. Main Applications & Scenarios
| Industry Sector |
Key Application Scenarios |
Core Advantages for Selection |
| Oil & Gas / Petrochemical |
Refinery reactors, hydroprocessing units, high-pressure storage tanks, offshore platform pressure vessels |
High pressure and corrosion resistance, leak-free one-piece design, suitable for high-temperature and high-pressure process media |
| Power Generation |
Power plant boilers, high-pressure heaters, steam separators, pressure vessel openings |
Excellent thermal fatigue and impact resistance, ideal for high-temperature and high-pressure steam/water media |
| Chemical / Pharmaceutical |
Reactors, heat exchangers, tower vessels, storage tank inlet/outlet connections |
Corrosion resistance, no dead zones for media retention, meeting the requirements of clean/corrosive processes |
| Offshore / Marine Engineering |
FPSO platform pressure vessels, marine storage tanks, desalination equipment |
Excellent seawater and salt spray corrosion resistance, designed for harsh marine environments |
| New Energy / Environmental Protection |
High-pressure reactors, desulfurification and denitrification equipment, water treatment pressure vessels |
Acid and alkali corrosion resistance, stable long-term performance, meeting the requirements of environmental protection equipment |
4. Specifications & Customization Services
Size Range: Customizable based on customer equipment opening dimensions, supporting large-diameter non-standard forgings.
Pressure Rating: Class 150, covering all common pressure requirements.
Sealing Face Types: RF (Raised Face), RJ (Ring Joint Face), FM/M (Female/Male Face), etc.
Material Options: Stainless steel, duplex steel, nickel-based alloys, carbon/alloy steels, with full material test certificates available.
Surface Treatments: Pickling & passivation, polishing, anti-corrosion coating, etc., to meet different industry standards.
Custom Services: Support for custom non-standard nozzles based on customer drawings and working condition parameters. We also offer integrated supply with matching flanges and fittings.
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