100% Prefabricated
Components are pre-punched in the workshop to improve field installation efficiency.
Custom IFR engineered to meet or exceed API 650 Appendix H
Based on more than 20 years of technical know-how and multiple material options, World Bridge engineers IFR systems for individual tank conditions. Available configurations include Pontoon, Honeycomb Full Contact, Cable Suspended and Hybrid designs with multiple Rim Seal options.
Multiple Material Options
SS 304/304L/316/316L fasteners and aluminum/stainless hybrid configurations are available.
Custom Rim Seal
Multiple seal designs are selected according to tank conditions and customer requirements.
DESIGN FEATURES
Product Design & Key Benefits
Review the key design features and application benefits.
✓ Aluminum + Stainless Steel Hybrid Design
✓ Multiple Seal Designs Available
✓ Optimized Circumferential Rim Plate Design
✓ Meets or Exceeds API 650 Appendix H Requirements
✓ H-Type Clamp Beam & Sheet Joint
✓ Accessories for Different Operating Conditions
✓ 100% Prefabricated
✓ SS 304 / 304L / 316 / 316L Fastener Options
✓ High-Strength Supports Rated for 0.6kPa Conditions
✓ Pontoon / Full Contact / Leg Supported / Cable Suspended
✓ Aluminum + Stainless Steel Hybrid
✓ Multiple Seal Designs
✓ Optimized Circumferential Rim Plate
✓ Reduced Evaporation Loss
✓ Chemical Resistance
✓ Long Service Life
✓ Easy Installation
✓ Structural Strength
✓ Environmentally Conscious Design
PRODUCT CONFIGURATION
IFR Types · Detailed Technical Description
Pontoon Type
Moves with the petroleum-product surface and uses various peripheral seals to minimize evaporation.
- API 650 Appendix H
- Reduced Evaporation Loss
- Chemical Resistance
- Long Service Life
- Easy Installation
Honeycomb Type · Full Contact
A liquid-mounted Honeycomb IFR providing a Full Contact system focused on structural strength and environmental performance.
- Patented Clamp Beam
- No Field Hot Welding Required
- Minimized Vapor Zone
- Low Evaporation Loss
- High Structural Strength
Suspended Type
Cable suspension improves access for tank cleaning, inspection and maintenance while reducing emissions and maintenance costs.
- Reduced Vapor Fitting Loss
- Easy Cleaning
- Easy Inspection
- Easy Maintenance
- Multi-positioning
RIM SEAL DESIGN
WBS-2 / WBS-4 / WBS-5 Seal Configurations
WBS-2 uses Double Wiper, WBS-4 uses Foam & Wiper, and WBS-5 uses Mechanical Shoe configurations to match tank operating conditions.
TECHNICAL DATA
IFR Seal Design
Key design specifications for WBS-2 / WBS-4 / WBS-5.
| Model | Type | Rim Space / Main Materials |
|---|---|---|
| WBS-2 | Double Wiper Seal | Vapor mounted · 180mm ± 100mm · Aluminum/SS · NBR/PE/Teflon/PU |
| WBS-4 | Foam & Wiper Seal | Liquid mounted · 180mm ± 100mm · Aluminum/SS · NBR/PE/Teflon/PU |
| WBS-5 | Mechanical Shoe Seal | Vapor mounted · Long life expectancy · Rim space 180mm ± 100mm · Plate spring SS301 · Shoe plate Galvanized or Stainless steel |
Need an engineering review for your project conditions?
Contact the World Bridge engineering team for product selection, design review and quotation.
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