ALLENTECH Secondary Shoe Seal
Custom Tailored to Your Design
The Allentech stainless steel secondary mechanical shoe seal for aluminum internal floating roofs is designed with high strength materials to outlast other internal IFR secondary seals. The tightly spaced hoop springs exert a nearly constant force against the tank shell to maintain the seal even around peaked vertical seams and abrupt tank distortions.
The Allentech secondary shoe seal uses PTFE fabric and type 301 full-hard stainless steel hoop springs to provide excellent durability, even pressure application, and robust chemical compatibility.
- Product information
- Design features
- Supplier information
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Benefits
- High durability
Long service life thanks to fully hardened Type 301 stainless steel pressure mechanisms. - Lightweight
Specially designed for aluminium internal floating roofs (IFR). - Excellent compatibility
Stainless steel and PTFE components are compatible with almost all stored products. - Even pressure / Gap sealing
The arch springs apply even pressure to the bucket lid through continuous contact, ensuring a gap-free seal.
Design features
No elastomer tip
Maximises durability and longevity.
Stainless steel shoes, aluminium hangers and brackets
Compatible with most products. Fasteners in corrosion-resistant stainless steel and aluminium.
Patented stainless steel hoop springs
Provides maximum shoe movement without variation in spring pressure. The springs press against the shoes along a long line, eliminating point contact and wear.
Lightweight and flexible design
Most IFRs can be retrofitted with an ALLENTECH primary or dual shoe system.
The hoop springs are bolted on both shoes and IFR
Provides positive static connection every two feet below the liquid level (primary) and above the vapour space (secondary).
Stainless steel pins welded to shoes
No through holes that can cause corrosion and increase friction against the tank shell.
HMT is a leader in the energy industry for aboveground tank technology and environmental solutions for the storage of oil and gas products.
HMT's products include internal and external sealing systems, including gas-tight primary seals, floating suction and drainage systems, aluminium vaults, pontoon-based floating roofs, full contact roofs, seamless composite roofs and various emission reduction devices.
HMT operates throughout the United States as well as in Europe and the Middle East.
Our customer promise
Right solution, technical expertise and commitment is what you can expect from us as your partner or supplier.
Solutions
Solutions for specific applications in environmental and process engineering, as well as industrial spray processes.
Right solution, delivered on time
Delivering the right solution on time requires co-operation, structure, attention to detail and following a process throughout the project.