Merit Brass
125# Lead Free Brass Cored Square Head Plug
- SKU:
- XNL117
- Availability:
- Usually Ships Same Day
- Weight:
- 0.00 LBS
Description
125# Lead Free Brass Cored Square Head Plug
125# Lead Free Brass Cored Square Head Plugs are threaded closure fittings designed to seal compatible female-threaded pipe, fitting, valve, or equipment openings. The square head provides wrench flats for installation and removal, while the cored body design provides a practical threaded closure for general plumbing and piping applications.
These fittings conform with the lead-content requirements for lead-free plumbing as defined by the U.S. Safe Drinking Water Act and are certified to contain ≤0.25 weighted average % lead. Manufacturer dimensional, certification, and material safety documentation is provided below.
Product Highlights
- 125# lead free brass cored square head plug
- Designed to close a compatible female-threaded opening
- Male threaded connection
- Square head provides wrench flats for installation and removal
- Cored plug construction
- Compact threaded closure design
- Lead free brass construction
- Conforms with lead-content requirements for lead-free plumbing under the U.S. Safe Drinking Water Act
- Certified ≤0.25 weighted average % lead
- Useful for unused ports, line closures, and service connections
- Manufacturer dimensional and certification documentation available
Technical Specifications
| Product Type | Cored Square Head Plug |
|---|---|
| Pressure Class | 125# |
| Material | Lead Free Brass |
| Connection Type | Threaded |
| Connection Configuration | Male Threaded |
| Head Style | Square Head |
| Body Style | Cored |
| Lead Content | ≤0.25 Weighted Average % Lead |
| Compliance | Conforms with Lead Content Requirements for Lead Free Plumbing as Defined by the U.S. Safe Drinking Water Act |
| Primary Function | Closing a Female-Threaded Opening |
Square Head Plug Construction
A square head plug is a male-threaded closure fitting designed to install into a compatible female-threaded opening. It is commonly used to close unused fitting ports, piping outlets, valves, manifolds, and equipment connections.
The square head provides flat wrenching surfaces for tightening and removal during installation or maintenance.
This version uses a cored body design and lead free brass construction for compatible plumbing and piping applications.
Why Choose a Lead Free Brass Cored Square Head Plug?
Threaded Closure
- Closes a compatible female-threaded opening
- Male threaded connection
- Useful for unused ports and piping outlets
- Provides a removable closure
- Compact fitting configuration
Square Head Design
- Provides wrench flats for installation
- Allows controlled tightening
- Simplifies removal for future access
- Useful for maintenance and inspection points
- Suitable for compatible threaded piping systems
Lead Free Compliance
The supplied product information states that these fittings conform with lead-content requirements for lead-free plumbing as defined by the U.S. Safe Drinking Water Act.
The fittings are also identified as being certified to contain ≤0.25 weighted average % lead. Review the manufacturer certification letter in the Product Documents section for additional certification information.
Cored Plug vs. Solid Plug
Cored Square Head Plug
- Cored internal body construction
- Male threaded closure
- Square wrenching head
- Used to close female-threaded openings
- Specified where a cored plug design is required
Solid Square Head Plug
- Solid body construction
- Male threaded closure
- Square wrenching head
- Performs the same basic closure function
- Different body construction from a cored plug
Plug vs. Cap
Plug
- Uses external male threads
- Threads into a female-threaded opening
- Common for fitting ports and equipment openings
- Square head assists installation and removal
- Closure sits within the female-threaded connection
Cap
- Uses internal female threads
- Threads over a male-threaded pipe or fitting
- Common for terminating pipe and nipple ends
- Different connection configuration from a plug
- Fits over the external male-threaded connection
Common Applications
Plumbing & Water Systems
- Potable-water piping where applicable
- Commercial plumbing systems
- Water distribution piping
- Unused fitting openings
- Service and future expansion ports
Commercial & General Service
- Mechanical piping installations
- Utility piping systems
- Valve and manifold ports
- Equipment connections
- Temporary or permanent threaded closures
Installation & Selection Guidance
- Confirm the required nominal plug size before ordering.
- Verify compatibility with the mating female-threaded opening.
- Use an appropriate thread sealant suitable for the piping material, system media, pressure, and temperature.
- Apply thread sealant according to the sealant manufacturer's instructions.
- Use the square head wrenching surfaces when tightening or removing the plug.
- Avoid over-tightening threaded brass fittings.
- Confirm that the 125# fitting class is suitable for the intended piping system.
- Verify media, pressure, and temperature compatibility before installation.
- Confirm lead-free requirements for the specific plumbing application.
- Inspect the completed threaded closure for leaks before placing the system into service.
- Installation should comply with applicable plumbing codes and project requirements.
Product Documents
Import Brass Fitting Dimensions
Review manufacturer dimensional information for applicable lead free brass plugs and connection sizes.
Import Brass Fitting Certification Letter
Review the manufacturer certification documentation covering the lead free brass fitting product line.
Material Safety Data Sheet
Review the manufacturer material safety documentation for additional product and material information.
Need Help Selecting a Lead Free Brass Square Head Plug?
Our industrial PVF specialists can help review your plug size, thread requirements, pressure class, application, and lead-free plumbing requirements before you order.
Frequently Asked Questions
What is a square head plug used for?
A square head plug is used to close a compatible female-threaded fitting, valve, manifold, pipe, or equipment opening.
What connection does this plug use?
The plug uses an external male threaded connection.
What does cored mean?
Cored refers to the internal body construction of the plug. It distinguishes this style from a solid-body square head plug.
Why does the plug have a square head?
The square head provides wrench flats that make the plug easier to tighten or remove during installation and maintenance.
What pressure class is this fitting?
This fitting is identified as a 125# lead free brass cored square head plug.
Is this fitting lead free?
Yes. The supplied product information states that it conforms with lead-content requirements for lead-free plumbing as defined by the U.S. Safe Drinking Water Act.
What is the certified lead content?
The fitting is identified as containing no more than 0.25 weighted average percent lead.
How is a plug different from a cap?
A plug has male threads and installs into a female-threaded opening. A cap has female threads and installs over a male-threaded pipe or fitting.
Can this fitting be used in potable-water systems?
The supplied product information states that the fitting conforms with U.S. Safe Drinking Water Act lead-content requirements for lead-free plumbing. Confirm all applicable local plumbing-code and system requirements before installation.
Where can I find fitting dimensions?
Use the Import Brass Fitting Dimensions document in the Product Documents section above.
Where can I verify the lead-free certification?
Use the Import Brass Fitting Certification Letter provided in the Product Documents section above.
Is material safety information available?
Yes. A manufacturer Material Safety Data Sheet is provided in the Product Documents section above.
Important Ordering Notes
- Product is a 125# lead free brass cored square head plug.
- Designed to close a compatible female-threaded opening.
- Male threaded closure configuration.
- Square head provides wrench flats for installation and removal.
- Cored body construction.
- Conforms with lead-content requirements for lead-free plumbing as defined by the U.S. Safe Drinking Water Act.
- Certified ≤0.25 weighted average % lead.
- Confirm nominal plug size before ordering.
- Verify thread compatibility with the mating female-threaded connection.
- Confirm pressure, temperature, and media compatibility before use.
- Review applicable plumbing-code requirements for potable-water installations.
- Refer to the manufacturer dimensional, certification, and material safety documents for additional product information.
