GROCO 1" NPT x 1-1/8" Bronze Full Flow Pipe to Hose Straight Fitting

The GROCO 1" NPT x 1-1/8" Bronze Full Flow Pipe to Hose Straight Fitting (model FF-1125) is a marine-grade fluid transfer component engineered for high-flow applications where pressure loss and corrosion resistance are critical. Manufactured from C83600 bronze—a dezincification-resistant alloy—this fitting delivers reliable performance in saltwater and chemically demanding environments where standard steel or aluminum fittings would fail rapidly.

The full-flow design minimizes turbulence and pressure drop across the transition from 1" male NPT pipe thread to 1-1/8" hose barb, making it ideal for high-volume fluid systems such as bilge pumps, cooling loops, and fuel transfer applications on commercial fishing vessels and offshore platforms. The NPT connection ensures a tapered-thread seal compatible with standard shipboard plumbing infrastructure, while the hose barb accepts reinforced rubber or synthetic hose with a clamp for a secure, vibration-resistant joint. UL Listed per standard 647B, confirming compliance with marine electrical safety requirements for grounded metallic fittings in hazardous spaces.

This fitting is intended for marine, industrial, and agricultural fluid-transfer systems where corrosion resistance and durability in harsh environments outweigh the cost premium of bronze. It is not rated for potable water systems due to NSF-61 non-compliance, making it unsuitable for fresh-water domestic or food-service plumbing. Operators specifying this fitting should verify hose-barb sizing against actual hose ID to ensure proper clamp engagement and flow rate adequacy for the application.