Graco 194359 1/2-14 NPT Plug
$14.00
In Stock
The Graco 194359 Plug 1/2‑14 NPT is a threaded port plug designed to cap unused 1/2‑inch NPT female ports in pumps, manifolds or fluid‑system fittings. It ensures secure, leak‑free sealing and helps maintain system integrity when ports are not in use.
- Part Number: 194359
- Function: Port plug to seal unused NPT ports
- Compatibility: Pumps, manifolds or fluid equipment with 1/2″ NPT ports
- Installation: Screw into port using thread‑sealant and tighten per standard NPT sealing procedure
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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
| Specification | Details |
|---|---|
| Part Number | 194359 |
| Component Type | Thread Plug (1/2‑14 NPT) |
| Function | Seal unused female NPT ports in fluid or pump systems |
| Compatible Equipment Types | Pumps, manifolds or fluid fittings using 1/2‑inch NPT threads |
| Thread Standard | 1/2‑14 NPT tapered pipe thread — suitable for pressure‑tight sealing when properly installed. |
| Installation | Screw into port with thread sealant until tight per standard NPT sealing procedure |
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
It seals unused 1/2‑inch NPT ports on pumps or fluid‑system fittings to prevent leaks, contamination or fluid loss.
Yes — when installed correctly with thread sealant and proper tightening, the tapered NPT thread provides a pressure‑tight mechanical seal that prevents leaks and maintains system integrity.
No — simply screw the plug into the threaded port with appropriate thread‑sealant and tighten using wrench per standard NPT installation practice.
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