Parker 318P-12N Nylon Pipe Plug 0.75 in Mpt White

Product Description

The PARKER 318P-12N is a 3/4-inch nylon pipe plug designed for sealing male pipe thread (MPT) connections in fluid handling, plumbing, and light industrial piping systems. Molded from white nylon, this plug threads directly into female-threaded ports and fittings to cap off open lines during testing, maintenance, or system reconfiguration. The nylon construction resists corrosion and is rated for service from -40 degrees F to 200 degrees F, making it suitable for a wide range of cold and moderate-heat applications. It meets FDA and NSF-51 standards, which qualifies it for use in food-service and potable-water-adjacent environments.

This plug is used in residential and light commercial plumbing, food processing equipment, water treatment systems, and HVAC hydronic piping where a clean, corrosion-resistant thread seal is required. The 3/4-inch MPT size fits standard female NPT ports on valves, manifolds, tanks, and pipe fittings. Plumbers, pipefitters, and HVAC technicians typically install these plugs when capping unused ports or isolating sections of piping during service work. Minimum order quantity is 5 units; each package contains 1 plug.

Key Features

• 3/4-inch MPT end connection threads into standard female NPT ports
• Nylon construction provides corrosion resistance and lightweight handling
• Rated -40 degrees F to 200 degrees F for broad temperature service range
• Meets FDA and NSF-51 standards for food-contact and potable-water environments
• White color for easy visual identification in piping systems

Compatibility

Designed as an OEM-style replacement or maintenance plug for 3/4-inch female NPT ports on valves, pipe fittings, tanks, and manifolds in plumbing, food-service, and light industrial fluid systems.

Installation Notes

Installation is performed by licensed plumbers or qualified pipefitters following applicable IPC and local plumbing codes. Shut off and depressurize the system before removing or installing any pipe plug. Apply thread sealant or PTFE tape to the MPT threads as required by the application and local code. Do not overtighten nylon fittings; hand-tighten plus a modest wrench turn is typically sufficient to avoid cracking the fitting body.