Sentinel.
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Double-head connector pins seated through the connection flanges of two Sentinel sectional barge hulls

How Sections Connect

Pin-flange
connection system.

Every Standard, Heavy Duty Crane and Back Lake section uses the same pin-flange connection system with a double-head connector pin. Line up the flanges, drop the pins, and two pins make a solid connection. The pins are built to resist corrosion jamming, and the upper pin heads are positioned to support a 2×4 flush with the deck.

How it works

  1. 01Float the two sections together so the connection flanges on each hull line up.
  2. 02Drop a double-head connector pin through the aligned flanges.
  3. 03Set the second pin. Two pins make a solid connection between the sections.
  4. 04Repeat along the float. Every Standard, Heavy Duty Crane and Back Lake section shares the same pin-flange system, so any section pins to any other.
  5. 05To take the float apart, lift the pins back out. The pins are designed to resist corrosion jamming.

What the system gives you

  • ▸Double-head connector pin. One pin design for every section in the lineup.
  • ▸Two pins, one solid connection. Each joint between sections is made with two pins.
  • ▸Resists corrosion jamming. The pins are designed so they can be lifted out again when the float is taken apart.
  • ▸Deck-flush 2×4 support. The upper pin heads are positioned to support a 2×4 flush with the deck.
  • ▸One system across the lineup. Standard, Heavy Duty Crane and Back Lake sections all pin together.
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Questions

Pin-Flange System FAQ

Pricing, specs, lead times, and delivery — straight answers.

How many pins does each connection take?
Two. Two double-head connector pins make a solid connection between adjoining sections.
Do the pins seize up after time in the water?
The pins are designed to resist corrosion jamming so the float can be taken apart again. Like any steel hardware in water, inspect and keep them clean as part of normal maintenance.
Can Back Lake sections pin to Standard or Heavy Duty sections?
All Sentinel barges share the same pin-flange connection system, so sections pin together across the lineup. Section depths differ between models, so tell us the mix you plan to run and we will confirm the configuration with your quote.
What is the 2×4 support for?
The upper pin heads are positioned to support a 2×4 flush with the deck, which gives you a straight timber line along the joint for decking or edge protection.

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