An industrial heat exchanger specification typically defines the design, performance, materials, operating conditions, and applicable standards for the equipment. Below is a general specification template that can be adapted for most industries.

Industrial Heat Exchanger Specification

1. General Information

• Equipment: Heat Exchanger
• Type: Shell & Tube / Plate / Air-Cooled / Double Pipe
• Service: Process Fluid Cooling/Heating
• Quantity: 1
• Tag Number: HX-101

2. Design Conditions

3. Thermal Design

• Heat Duty: 1.2 MW
• Overall Heat Transfer Coefficient: As per thermal design
• Log Mean Temperature Difference (LMTD): Calculated
• Fouling Factor:
  • Shell side: 0.0002 mK/W
  • Tube side: 0.0001 mK/W

4. Mechanical Design

• Exchanger Type: Shell & Tube
• TEMA Type: AES (or as required)
• Shell Diameter: As per design
• Tube Length: 36 m
• Tube Outside Diameter: 19.05 mm (3/4 in)
• Tube Thickness: 1.65 mm
• Number of Tubes: As required
• Tube Pitch: Triangular/Square
• Number of Tube Passes: 2
• Shell Passes: 1
• Baffle Type: Single Segmental
• Baffle Spacing: 2050% of shell diameter

5. Materials of Construction

6. Connections

• Shell Inlet/Outlet: Flanged, ANSI Class 150/300
• Tube Inlet/Outlet: Flanged
• Vent Connection
• Drain Connection
• Thermowell Connection
• Pressure Gauge Connection

7. Codes and Standards

• ASME Section VIII Div. 1
• TEMA Standards
• API 660 (for shell-and-tube exchangers in refinery service)
• ASME B16.5 (Flanges)
• ASTM Material Standards

8. Inspection and Testing

• Hydrostatic Test
• Pneumatic Leak Test (if required)
• Non-Destructive Testing (RT, UT, PT, MT as applicable)
• Material Test Certificates
• Positive Material Identification (PMI), if specified

9. Surface Protection

• Internal Coating: As required
• External Painting: Epoxy primer and polyurethane topcoat
• Insulation: Mineral wool or calcium silicate (if required)

10. Documentation

• General Arrangement Drawing
• Mechanical Data Sheet
• Thermal Design Calculation
• Fabrication Drawings
• Welding Procedure Specifications (WPS/PQR)
• Inspection and Test Plan (ITP)
• Material Certificates
• Operation & Maintenance Manual

11. Performance Guarantee

• Heat duty as specified
• Maximum allowable pressure drop
• Leak-free operation
• Design life: Typically 20 years (subject to service conditions)

This template can be tailored for specific applications such as power plants, oil and gas, chemical processing, HVAC, food processing, or pharmaceutical industries by adjusting the design conditions, materials, standards, and performance requirements.