YUHONG HOLDING GROUP CO., LTD
| Payment Terms | T/T |
| Supply Ability | 300 TONS / MONTH |
| Delivery Time | 1 - 4 MONTH |
| Packaging Details | WOODEN CASE, Ply-Wooden Cases with Steel Frames |
| Material | F22 |
| Flange type | WN, SO, BL, SW, THREAD |
| Flange Face | FF, RF, RTJ |
| Pressure | Class 150# to 2500# |
| Size Range | Customizable |
| Flange Standard | ANSI B16.5 |
| Brand Name | YUHONG |
| Model Number | Flange For Heat Exchanger |
| Certification | ISO 9001-2015 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T | Supply Ability | 300 TONS / MONTH |
| Delivery Time | 1 - 4 MONTH | Packaging Details | WOODEN CASE, Ply-Wooden Cases with Steel Frames |
| Material | F22 | Flange type | WN, SO, BL, SW, THREAD |
| Flange Face | FF, RF, RTJ | Pressure | Class 150# to 2500# |
| Size Range | Customizable | Flange Standard | ANSI B16.5 |
| Brand Name | YUHONG | Model Number | Flange For Heat Exchanger |
| Certification | ISO 9001-2015 | Place of Origin | CHINA |
| High Light | K21590 Blind RF Flange ，ASTM A182 Blind RF Flange ，Power Plant Boiler Flange | ||
ASTM A182 F22 Blind RF Flange
ASTM A182 F22 Blind RF Flange is ideal for high temperature and high pressure systems. Its chromium-molybdenum alloy composition provides excellent resistance to oxidation and creep.
Chromium-molybdenum alloy steel (UNS K21590) is suitable for high temperature and high pressure environments (such as power plant boilers and petrochemical equipment).
Blind flanges are used to close the end of the pipe to prevent the flow of media. They are commonly used in system isolation or future expansion interfaces.
Raised face flanges are used with gaskets (such as spiral wound gaskets) to achieve sealing. The raised face height is usually 1/16 inch (150-300 Class) or 1/4 inch (600-2500 Class).
| Alloy Steel: Grade : WP 1, WP 5, WP 9, WP 11, WP 12, WP 22, WP 91 |
| Grade | C | Mn | Si | P | S | Cr | Mo |
| Alloy Steel F22 | 0.50.15 max | 0.3-0.6 | 0.5 | 0.03 | 0.03 | 4-6 | 0.44-0.65 |
| Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 205 | 415 | 20 % |
Application
High temperature and high pressure system:
Power station boiler (≤593°C), steam pipeline.
Refinery hydrogenation reactor, high temperature heat exchanger.
Pressure vessel head: used as a manhole or inspection port blind plate.
Pipeline isolation: close the pipeline during maintenance to prevent medium leakage.
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. ... 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. ...
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