YUHONG HOLDING GROUP CO., LTD
| Supply Ability | 1000 ton/month |
| Shell | SA516 GR.60 |
| NDT | RT; HT; PT |
| Type | CES |
| Packaging Details | Iron Case |
| PWHT | Yes |
| Operating Pressure | 14/17.5 BarG |
| Delivery Time | 45-150days |
| Tubesheet | ASME SA182 F11 CL2 |
| Heads | SA516 GR.60 |
| Certification | ASME U, S, PP, NBR |
| Model Number | TEMA |
| Place of Origin | China |
| Brand Name | Yuhong |
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Product Specification
| Supply Ability | 1000 ton/month | Shell | SA516 GR.60 |
| NDT | RT; HT; PT | Type | CES |
| Packaging Details | Iron Case | PWHT | Yes |
| Operating Pressure | 14/17.5 BarG | Delivery Time | 45-150days |
| Tubesheet | ASME SA182 F11 CL2 | Heads | SA516 GR.60 |
| Certification | ASME U, S, PP, NBR | Model Number | TEMA |
| Place of Origin | China | Brand Name | Yuhong |
| High Light | API 660 heat exchanger CES type ，TEMA heat exchanger for refinery ，combined feed effluent exchanger | ||
API 660 Heat Exchanger CES Type For combined Feed Effluent Exchanger For Refinery
Introduction:
Combined Feed Effluent Exchanger plays in important role in refining and petrochemical units such as hydro-cracking and hydro-refining. It directly determines the heat recovery efficiency of the unit under the most severe conditions of high pressure, high temperature, high hydrogen partial pressure and strong corrosion.
Technical advantages:
1.Strength Welding + Expansion: 0 leakage of the connection between tubes and tubesheet must be guaranteed. Automated TIG welding (GTAW) is typically used for strength welding and it must be tested by Radioactive Test. Then, expansion (fitting expansion) or hydraulic expansion is performed to eliminate tube gaps and prevent gap corrosion.
2.Deep Hole Machining of Tube Sheets: Tube sheet thicknesses often exceed 200–500 mm. The parallelism and wall roughness requirements for deep hole machining are extremely high; otherwise, stress concentration or damage to the heat exchanger tubes can easily occur during expansion.
Heat Treat and NDT:
For highly hardenable materials such alloy steel, rigorous PWHT treatment is essential after welding to eliminate residual stress and prevent hydrogen-induced cracking (HIC) and sulfide stress cracking (SSC).
NDT is performed at:
Butt welds: 100% radiographic testing (RT) + 100% ultrasonic testing (UT)
Forgings and plates: 100% ultrasonic testing to ensure no delamination or inclusion defects.
Pipe-to-tube sheet fillet welds: 100% liquid penetrant testing (PT) + helium mass spectrometry leak detection.
Documents provided when shipments
Commercial Invoice
Packing List
Bill of Lading (B/L) / Air Waybill (AWB)
Certificate of Origin (C/O)
Insurance Policy
Certificate of Conformance (CoC) / Certificate of Quality
Mill Test Certificate (MTC / MTR) (EN 10204 3.1 / 3.2)
Approved Inspection and Test Plan (ITP)
Non-Destructive Testing (NDT) Reports (RT, UT, PT, MT, PMI)
Hydrostatic / Pneumatic Pressure Test Report
Helium / Ammonia Leak Test Report
Welding Procedure Specification (WPS) & Procedure Qualification Record (PQR)
Welder Performance Qualification (WPQ)
Weld Map & Post Weld Heat Treatment (PWHT) Report
As-Built Drawings
Design Calculation Sheet
Dimensional Inspection Report
Painting / Coating & Surface Preparation Report
Operation and Maintenance (O&M) Manual
Spare Parts List
Yuhong Group have a strong control of delivery time and quality by operating its own tube mill and assembly mill. With the help of strong system of documents control, our clients can always have clear understanding of current status.
Company Details
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
1990
Total Annual:
50M-75M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
Yuhong Holding Group equipments production base at Jiangsu Jiangyin City, Jinjiang City and Yancheng City. Total production area around 184000 square meters, main products : Heat Exchanger, Condenser, Pressure Vessel , Fired Heater, Economizer, Columns, Reactor. Jinjiang Factory: Main Products: ... Yuhong Holding Group equipments production base at Jiangsu Jiangyin City, Jinjiang City and Yancheng City. Total production area around 184000 square meters, main products : Heat Exchanger, Condenser, Pressure Vessel , Fired Heater, Economizer, Columns, Reactor. Jinjiang Factory: Main Products: ...
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