Isophthalic Polyster (ISO) Couplings
These couplings are similar to the standard couplings, but are made with an isophthalic polyester resin.
This resin is for areas requiring lower levels of corrosion resistance such as water or brine service and is a less expensive option.
FRP Threaded Couplings
These are available in MEKP cure
Reinforcement is continuous throughout
Construction: Hand Lay-up with Molded NPT Threads
Resin: Isophthalic Polyster (ISO)
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