Slotted Head Plug

 

Part#	Thread Szie NPTF	PARKER	EATON	ALKON	MAF	GATES	Tectran	Automann	Fleet Pride	Fairview	Tramec Sloan
1159-C	1/8	220P-2	3150×2	117A-2	28174	G60604-0002	117-A	177.9117A	BP117-2	117-A	S220P-2
1159-D	1/4	220P-4	3150×4	117A-4	28175	G60604-0004	117-B	177.9117B	BP117-4	117-B	S220P-4
1159-E	3/8	220P-6	3150×6		28176	G60604-0006	117-C	177.9117C	BP117-6	117-C	S220P-6
1159-F	1/2				28177

 

 

 

1. Convenience of installation and disassembly

Slotting (usually a straight or cross slot) allows for the use of a standard screwdriver (flat or cross head) for operation, providing precise torque control to ensure even force distribution when tightening or loosening the plug.

The slot increases the contact area between the tool and the plug, reducing the risk of slipping during manual operation, especially in narrow or high-pressure environments, improving operational safety.

2. Optimization of sealing performance

Apply controllable rotational force through tools to avoid thread damage or seal failure caused by uneven manual tightening force, ensuring a tight fit with the pipeline interface.

The notch design can limit excessive tightening, protect the threaded structure of brass material, and extend the service life of accessories.

3. Maintenance and compatibility

Slotting conforms to industrial standards, ensuring compatibility with universal tools and facilitating quick maintenance or replacement in different scenarios.

In systems that require frequent disassembly, such as hydraulic testing ports and cleaning ports, slotted design significantly reduces operating time and improves efficiency.

4. Functional Expansion

Different groove types (such as straight or cross) can distinguish the specifications or uses of the plug (such as pressure rating and medium type), making it easy for users to quickly identify.

The groove can be used as a visual alignment mark to ensure correct installation angle and avoid poor sealing due to deviation.

5. Safety and reliability

The slot design for tool tightening can provide higher initial preload and reduce the risk of plug loosening caused by equipment vibration.

When there are no specialized tools, temporary use of flat objects such as coins and blades can also be used to enhance the emergency maintenance capability of the system.

 

 

The slotted design of the Slotted Head Plug achieves a balance between efficient installation, reliable sealing, and convenient maintenance through tool-based operations, standardized compatibility, and enhanced security. This design is particularly important in industrial pipeline systems, especially for scenarios that require frequent maintenance or high sealing requirements (such as pneumatic control, hydraulic systems), reflecting the refined consideration of brass fittings in terms of functionality and practicality.

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