SA336 F11 Class2 Channel Cover Alloy Steel Flanges for Shell and Tube Heat Exchanger

SA336 F11 Class2 Channel Cover Alloy Steel Flanges for Shell and Tube Heat Exchanger

Yuhong Holding Group Co., Ltd. | Professional Pressure Vessel Manufacturer
Yuhong Holding Group Co., Ltd. specializes in the design and production of pressure vessels, with an annual production capacity of over 6,000 tons. Our product portfolio includes thin-film evaporators, heat exchangers, reaction vessels, towers, storage tanks, and related flange components. Adhering to ASME standards, we deliver high-performance, reliable industrial equipment solutions.

Product Name: Alloy Steel Channel Cover Flange ASME SA336 F11 Class2 for Heat Exchanger
This flange is engineered for heat exchangers, manufactured from ASME SA336 F11 Class2 alloy steel, ensuring exceptional sealing performance and durability under high-temperature and high-pressure conditions.

ASME SA336 F11 Class2 Chemical Composition

ASME SA336 F11 Class2 Mechanical Properties

Common Flange Grades

We also supply flanges in other grades, including:

• SA350 LF3 (Low-Temperature Service)
• ASTM A182 F304/F316 (Stainless Steel)
• ASTM A105 (Carbon Steel)

Sealing Face Types for Heat Exchanger Flanges

• Raised Face (RF)

Standard design for general applications.

Contact pressure concentrated on the raised ring.

• Ring Joint Face (RTJ)

Uses metal ring gaskets for high-pressure systems.

Ideal for critical sealing requirements.

• Flat Face (FF)

Full-surface contact with non-metallic gaskets.

Suitable for low-pressure environments.

Yuhong Holding Group Co., Ltd. – Your Trusted Partner in Pressure Vessel Solutions
With advanced manufacturing facilities and strict quality control, we ensure compliance with global standards (ASME, EN, GB). Customized specifications and material certifications are available upon request.

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: Heat Exchanger, Pressure Vessel ,Condenser, Economizer, Evaporator, Column, Fired Heater;

Certificates: ASME PP, ASME S, ASME U, ASME NB, ISO3834, GB/T24001-2016/ISO 14001:2015, GB/T9001-2016/ISO9001:2015,
                      GB/T45001-2020/ISO45001:2018, TS2232A55-2026
Factory Info.: Workshop 6000 square meters, 160 workers, 1000sets/year.

 

Jiangyin Factory:
Main Products: Heat Exchanger, Pressure Vessel ,Condenser, Economizer, Evaporator;

Certificates: ASME U, ASME NB, GB/T9001-2016/ISO9001:2015,GB/T24001-2016/ISO 14001:2015, 
                      GB/T45001-2020/ISO45001:2018, GB/T9022.1-ISO10012-1.
Factory Info.: Workshop 24000 square meters, 120 workers, 600sets/year.
 

Yancheng Factory:
Main Products: Air-cooled Heat Exchanger, Cooling Tower, Pressure Vessel, Economizer, Evaporator;

Certificates: ASME U, CTI Certification, Air Cooler safety registration certificate, Pressure Vessel TS,
                      GB/T9001-2016/ISO9001:2015,GB/T24001-2016/ISO 14001:2015, GB/T45001-2020/ISO45001:2018                      
Factory Info.: Workshop 100000 square meters, 450 workers, 2000sets/year.