Graco 194358 Plug 1/2-14 NPT
$14.00
Available to Order
The Graco 194358 Plug 1/2‑14 NPT is a threaded plug used to safely seal unused 1/2‑inch NPT female ports on pumps or fluid systems. It ensures leak‑free sealing and maintains system integrity when portions of fluid‑path are not in use.
- Part Number: 194358
- Function: Port plug to seal 1/2″ NPT ports
- Compatibility: Pumps, manifolds or fluid‑system ports using 1/2″ NPT threads
- Installation: Screw into port with thread sealant and tighten per standard NPT installation guidelines
Quantity
Genuine OEM Part
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Graco 194358 Plug 1/2‑14 NPT – Compatibility & Details
Compatible Equipment & Use
- Graco pumps, fluid systems or fittings using 1/2‑14 NPT threaded ports that require a plug to seal unused ports.
- Hydraulic or fluid‑transfer assemblies needing to block or cap off ports to prevent leaks or contamination.
- Maintenance or system shutdown scenarios where fluid outlets or inlets must be sealed safely.
- Any configuration referencing 1/2‑14 NPT plugs for safe capping of threaded pump or hose ports.
Product Overview
The Graco 194358 Plug 1/2‑14 NPT is a threaded plug designed to seal 1/2‑inch NPT (National Pipe Thread) female ports on pumps, manifold outlets/inlets or fluid‑system fittings. It provides a secure seal to prevent leaks, fluid loss or contamination when a port is not in use. Using a properly threaded NPT plug ensures reliable sealing under pressure — maintaining system integrity and safety.
Specifications
| Specification | Details |
|---|---|
| Part Number | 194358 |
| Component Type | Thread Plug (1/2‑14 NPT) |
| Function | Seal 1/2‑inch NPT female ports on pump or fluid‑system fittings |
| Compatible Equipment Types | Pumps, manifolds, hoses or fluid‑system ports using 1/2‑inch NPT threads |
| Thread Standard | 1/2‑14 NPT (tapered pipe thread) |
| Installation | Screw plug into unused port until hand‑tight and then wrench‑tight per threaded‑seal guidelines, using thread sealant as needed for leak prevention. |
Key Features
- Secure Port Sealing: Effectively seals unused 1/2″ NPT ports to prevent leaks or fluid egress.
- Tapered Thread Design: Uses NPT standard threads for reliable mechanical and hydraulic sealing when properly installed.
- OEM‑Compatible Fitment: Matches standard Graco and industrial pump thread specifications for safe port capping.
- Pressure‑Resistant Seal: Maintains seal integrity under pump pressure and prevents fluid escape or contamination.
- Easy Installation: Simply screw into threaded port using hand wrench and appropriate thread sealant; no special tools required.
Frequently Asked Questions
It seals unused 1/2‑inch NPT ports on pumps or manifolds to prevent leaks and fluid loss.
Yes — when installed correctly (hand‑tight plus wrench turn) with proper thread sealant, NPT threads form a pressure‑tight mechanical seal that prevents leaks.
No — simply screw the plug into the NPT port until snug, then apply sealing tape or compound and tighten to proper wrench‑torque for a leak‑free seal.
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