Primary Wiper Seal (PE)

Name: Primary Wiper Seal (PE)
Brand: Vyapar Infotech
Rating: 5.0 (3539 reviews)

A Primary Wiper Seal is a rim sealing system installed between the floating roof and the tank shell of an External Floating Roof Tank (EFRT) or Internal Floating Roof Tank (IFRT). Its primary function is to minimize the annular gap between the floating roof and the tank shell by maintaining continuous contact with the tank shell through a flexible wiper sealing element.The wiper sealing element is designed to maintain consistent contact with the tank shell while accommodating variations in the annular space. It can be installed as part of a primary rim seal assembly and combined with a Secondary Wiper Seal to provide enhanced emission control and additional protection for floating roof storage tanks.

Typical Applications

External Floating Roof Tanks (EFRTs).
Internal Floating Roof Tanks (IFRTs), where specified.
Crude Oil Storage Tanks.
Gasoline, Diesel, Naphtha and Kerosene Storage Tanks.
Aviation Turbine Fuel (ATF) and Jet Fuel Storage Tanks.
Ethanol and Petrochemical Storage Tanks (subject to material compatibility).
Petroleum Refineries and Petrochemical Plants.
Oil & Gas Production Facilities.
Tank Farms and Bulk Liquid Storage Terminals.
New tank installations, seal replacement and retrofit projects.

Guideline / Standards

Storage Tank Standards

API 650 – Welded Tanks for Oil Storage (Appendix C for External Floating Roofs and Annex H for Internal Floating Roofs).
API 653 – Inspection, Repair, Alteration and Reconstruction of Storage Tanks.
API 575 – Inspection Practices for Atmospheric and Low-Pressure Storage Tanks.

Lightning & Static Protection

API RP 545 – Lightning Protection of Aboveground Storage Tanks.
API 2003 – Protection Against Ignitions Arising Out of Static, Lightning and Stray Currents.
NFPA 780 – Standard for the Installation of Lightning Protection Systems.

Environmental Standards

US EPA 40 CFR Part 60 – Standards of Performance for Storage Vessels, where applicable.
US EPA 40 CFR Part 63 – National Emission Standards for Hazardous Air Pollutants, where applicable.

Indian Standards

OISD-118 – Inspection and Maintenance of Aboveground Petroleum Storage Tanks.
OISD-244 – Fire Protection Requirements for Petroleum Installations.
Applicable project and owner specifications issued by BPCL, HPCL, IOCL, ONGC and other EPC/PMC organizations.

High-Performance System

Our Liquid Mounted Primary Foam Seal provides reliable vapour sealing, reduces product loss, and enhances the safety and efficiency of floating roof storage tanks.