Please wait while we process your order...

Product successfully added to your cart.
Cart Image

Quantity in Cart: 1


Continue Shopping Shopping Cart
Item removed from Cart
X
 
×
Product Image

Graco 194358 Plug 1/2-14 NPT

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

$16.34
0
Based on 0 reviews
5
0%
4
0%
3
0%
2
0%
1
0%

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.

Subscribe to our newsletter to get exclusive discounts and new theme launches right in your inbox.

You may unsubscribe at any moment. For that purpose, please find our contact info in the legal notice.

Payment Method   Payment Method   Payment Method   Payment Method