Sour Gas Heat Exchanger TEMA BEM Class R, API 660, ISO 15547-1
for Refinery Preheaters
YUHONG is a globally recognized leader in the manufacturing and supply of
industrial equipment, specializing in heat exchangers, fired
heaters, air coolers, and related components. With decades of
engineering expertise and a commitment to innovation, we deliver
products that meet the highest international standards. One of our
flagship products is the Sour Gas Heat Exchanger TEMA BEM Class R, designed for high-efficiency heat transfer in a variety of
industrial applications. This heat exchanger complies with ASME standards and features robust construction, making it ideal for demanding
environments.
1. Overview of Sour Gas Heat Exchanger TEMA BEM Class R
Fixed Shell and Tube Heat Exchangers are among the most commonly used heat exchanger designs due to
their simplicity, reliability, and cost-effectiveness. In a fixed
head design, the tube sheets are welded to the shell, providing a
robust and durable structure. The Type BEM configuration is a widely used variant, known for its single-pass
design and efficient heat transfer capabilities.
Key Features of Sour Gas Heat Exchanger TEMA BEM Class R
Simple Construction:
Efficient Heat Transfer:
Wide Operating Range:
Low Maintenance:
Cost-Effective:
2. Sour Gas Heat Exchanger TEMA BEM Class R Configuration
The Type BEM classification refers to a specific shell and tube heat exchanger
design as defined by the TEMA (Tubular Exchanger Manufacturers Association) standards. This configuration is characterized by:
B: A bonnet (removable cover) on the stationary head.
E: A single-pass shell with a simple cylindrical design.
M: A fixed tube sheet at both ends.
Advantages of Sour Gas Heat Exchanger TEMA BEM Class R
Ease of Cleaning:
Compact Design:
Efficient Fluid Flow:
This configuration is particularly well-suited for applications
where the shell-side fluid is clean and does not require frequent
cleaning.
3. Material SpecificationSour Gas Heat Exchanger TEMA BEM Class R
Sour Gas Heat Exchanger need seamless austenitic stainless steel tube that offers excellent
corrosion resistance, high strength, and superior performance in
high-temperature environments. It is widely used in heat exchangers
due to its durability and resistance to a wide range of chemicals.
Chemical Composition of SA213 TP316
Element | Composition (%) |
|---|
Carbon (C) | ≤ 0.03 |
Manganese (Mn) | ≤ 2.00 |
Phosphorus (P) | ≤ 0.045 |
Sulfur (S) | ≤ 0.030 |
Silicon (Si) | ≤ 0.75 |
Chromium (Cr) | 16.00–18.00 |
Nickel (Ni) | 10.00–14.00 |
Molybdenum (Mo) | 2.00–3.00 |
Mechanical Properties of SA213 TP316
Property | Value |
|---|
Tensile Strength | ≥ 515 MPa (75,000 psi) |
Yield Strength | ≥ 205 MPa (30,000 psi) |
Elongation | ≥ 35% |
Hardness | ≤ 90 HRB |
The addition of molybdenum enhances the material’s resistance to
pitting and crevice corrosion, making it suitable for harsh
environments, including those involving chlorides.
4. ASME Standards and Class R Design
Our SA213 TP316 Fixed Shell and Tube Plate Heat Exchanger is designed and manufactured in compliance with ASME (American Society of Mechanical Engineers) standards. This ensures that the equipment meets stringent safety,
quality, and performance requirements.
Class R Heat Exchangers
The Class R designation is defined by API 660 and applies to heat exchangers used in refinery services. These
exchangers are designed for high-pressure and high-temperature
applications, ensuring reliable performance in critical processes.
5. Applications of Fixed Shell and Tube Heat Exchangers
The SA213 TP316 Fixed Shell and Tube Plate Heat Exchanger Type BEM
Class R is versatile and finds applications across a wide range of
industries. Its efficiency, durability, and compliance with
international standards make it suitable for:
Key Application Areas
Petrochemical Industry:
Chemical Processing:
Power Generation:
Steam condensers and feedwater heaters in power plants.
Used in nuclear, thermal, and combined-cycle power plants.
Oil and Gas Industry:
Pharmaceutical Industry:
Food and Beverage Industry:
Used in pasteurization, sterilization, and temperature control
processes.
Ensures compliance with hygiene standards.
HVAC Systems:
