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3″ Stepped Coupling

The stepped coupling is specifically designed for the tank fabricator that wants a half coupling with female threads on one end, for glassing into the side wall of a fiberglass tank. This coupling, in conjunction with a properly sized hole, will stop with half of the coupling projecting from the sidewall due to the step in the coupling.

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3″ Stepped Coupling

The stepped coupling is specifically designed for the tank fabricator that wants a half coupling with female threads on one end, for glassing into the side wall of a fiberglass tank. This coupling, in conjunction with a properly sized hole, will stop with half of the coupling projecting from the sidewall due to the step in the coupling.

Features
  • CC-Couplings – Stepped are a specially designed to aid installation by improving alignment and including a notch to control insertion.
  • CC-Couplings are hand laid-up Fiberglass Reinforced Plastic Couplings for threaded tank and pipe connections.
  • CC-Couplings are produced to exacting requirements resulting in a superior void-free laminate and resin-rich liner.
  • Reinforcement is continuous throughout
  • Construction: Hand Lay-up with Molded NPT Threads
  • Resin: Hetron 922
  • 100-Mil Nexus / C-veil liner
  • OD: machined surface for tolerance (± 1/16-inch) for ease of installation
  • Threads are glass wound over liners to ensure durability
Specifications
length

4 in

outside length

2 in

diameter small end

3-11/16 in

diameter large end

4 in

bolt hole size

2 in

step

1/8 in min

psi

150 psi

resins

Hetron 922, Isophthalic

nexus liners

Single Nexus/ C-Veil Liner