Graco 194359 1/2-14 NPT Plug

Graco 194359 Plug 1/2‑14 NPT – Compatibility & Details

Compatible Equipment & Use

• Graco pumps, manifolds or fluid‑system fittings that employ 1/2‑inch NPT female ports needing secure closure when not in use.
• Hydraulic or fluid transfer setups where unused ports must be safely sealed to prevent leaks or contamination.
• System maintenance or lay‑up periods requiring port sealing to preserve internal cleanliness and prevent fluid loss.
• Any configuration using 1/2‑14 NPT threaded ports in Graco equipment where a plug is specified for safe sealing.

Product Overview

The Graco 194359 Plug 1/2‑14 NPT is a standard threaded plug intended to cap and seal 1/2‑inch NPT ports on fluid systems, pumps or manifolds. It helps maintain system integrity by sealing off unused openings, preventing leaks, fluid contamination, or unintended fluid loss. Proper installation ensures a secure, pressure‑resistant closure compatible with standard industrial fluid‑handling systems.

Specifications

Key Features

• Secure Port Sealing: Effectively caps unused 1/2″ NPT ports to prevent leaks or fluid escape.
• Tapered NPT Thread Seal: Uses standard 1/2‑14 NPT threads which seal under proper tightening and thread‑sealant application.
• Compatible with Graco Systems: Designed to fit standard pump or manifold ports used in Graco and similar fluid equipment.
• Pressure‑Resistant Closure: Maintains leak‑free seal under operational or idle pressure conditions.
• Easy to Install or Remove: Screw in with standard tools and thread‑sealant; no special tools or modifications required.

Frequently Asked Questions