Parker 325HB-6-4N Barbed Tube Male Connector 3/8 Barb

Product Description

The PARKER 325HB-6-4N is a single-barb male connector fitting designed to join 3/8-inch ID flexible tubing to a 1/4-inch NPT male threaded port. Molded from white nylon, this fitting is rated for working pressures up to 125 psi and handles temperatures from -40 degrees F to 200 degrees F, making it suitable for a wide range of fluid transfer and gas-handling applications. At 1.62 inches in overall length and weighing just 0.01 pounds, it installs quickly and requires no special tooling beyond a wrench for the threaded end. It meets FDA compliance standards and NSF/ANSI 51 certification for food-equipment and beverage-contact applications.

This fitting is well suited for use in commercial food service equipment, beverage dispensing systems, water treatment lines, and light-duty plumbing or HVAC fluid circuits where a barbed-to-NPT transition is needed. The single-barb design accommodates flexible tubing with a 3/8-inch inside diameter and a 0.43-inch outside diameter. Plumbers, HVAC technicians, and food equipment service professionals install this type of fitting where a leak-resistant push-on or clamp-secured tubing connection meets a threaded port on a valve, pump, or manifold.

Key Features

• Single-barb design grips 3/8-inch ID flexible tubing securely with or without a clamp
• 1/4-inch NPT male thread for direct connection to standard threaded ports
• Nylon construction resists corrosion and is compatible with many water-based fluids
• Rated to 125 psi working pressure
• Wide temperature range: -40 degrees F to 200 degrees F (-40 degrees C to 93.3 degrees C)
• FDA compliant and NSF/ANSI 51 certified for food-equipment applications

Compatibility

Designed for use with flexible tubing having a 3/8-inch inside diameter and a 0.43-inch outside diameter, connecting to any standard 1/4-inch NPT female threaded port in fluid transfer or food-equipment piping systems.

Installation Notes

Apply thread sealant tape or paste to the NPT threads before installation and tighten with a wrench to avoid over-torquing the nylon body. Push flexible tubing fully onto the barb until it seats against the fitting shoulder; use an appropriately sized hose clamp where regulations or system pressure requires a secured connection. Shut off and depressurize the line before removing or installing this fitting. Installation in potable water or food-contact systems should comply with applicable local plumbing codes and NSF requirements.