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Control vapor loss at the liquid surface.

INTERNAL FLOATING ROOF SYSTEMS

A complete range of engineered internal floating roofs and rim seals for petroleum terminals, refineries and chemical storage facilities.
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CATALOG OF INTERNAL FLOATING ROOFS

Three systems. One engineered fit.

PERFECT LOADING designs each system around tank geometry, stored-product compatibility, operating cycle and the emissions target. The result is a practical package covering the floating deck, rim seal, supports, guide devices and tank penetrations.
Final design values are confirmed against project specifications and the applicable edition of API 650 Annex H or other governing requirements.
PRODUCT RANGE

Select the right vapor-control architecture.

Compare construction, product contact, retrofit considerations and seal arrangements before moving into detailed engineering
SKIN & PONTOON

Pontoon Type Internal Floating Roof

A lightweight, modular deck supported by distributed pontoons for efficient installation and straightforward maintenance.
Modular bolted assembly 
Distributed buoyancy 
Retrofit-friendly layout
LIQUID-CONTACT DECK

Full Contact Internal Floating Roof

A rigid, closed-panel deck that maintains contact with the liquid surface for demanding vapor-loss objectives.
Continuous closed deck
High structural stiffness
Reduced underside vapor space
RIM SEALING SYSTEMS

Floating Roof Seals

Primary and secondary rim sealing systems engineered to maintain contact through roof travel and shell variation.
Multiple seal architectures
Product-compatible materials
New and retrofit supply
PROJECT PATHWAY

From tank data to site commissioning.

Our engineering team supports new-build and retrofit projects from early selection through installation guidance.
01
 
 

Define

 
Tank drawings, service data and operating envelope.
02
 
 

Engineer

 
Buoyancy, layout, seals and penetration details.
03
 
 

Supply

 
Prefabricated modules, hardware and documentation.
04
 
 

Support

 
Installation guidance, inspection and handover.

Need a product recommendation?

Send the tank diameter, stored medium, operating temperature and applicable standard. We will help define the right roof and seal combination.

Consult Your PERFECT Loading Arm Expert

Contact us
Loading Systems
Internal Floating Roofs
Quick Links
Contact Us
   sales@perfectloading.com
  Office:Shanghai, China
  Factory:Lianyungang, Jiangsu, China
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