Rigid Male Adapter

Material: Forged brass
Advantages: Easy to process, moderate strength, corrosion resistance (water, air, oil, some chemicals), good thermal conductivity, relatively low cost.
Disadvantages: Not as resistant to strong corrosion or extremely high pressure as stainless steel; may oxidize and discolor after long-term exposure.
Interface end 1: Hose Barb
Design: Conical design with multiple annular ridges (barbs) and grooves.
Function: Insert into the inner diameter of the hose.
Preliminary seal: The maximum diameter of the barb is slightly larger than the inner diameter of the hose, forming an interference fit and initial seal.
Anti-slip: The groove increases friction, the hose material is embedded in it, and cooperates with an external clamp (must be used! Such as a worm gear clamp) to prevent the hose from being pulled out or leaking under pressure/vacuum.
Interface end 2: Male Thread
Function: Screw into a port with internal threads (such as a device interface, valve, or the female end of other accessories).
Sealing method (NPT): Sealing is achieved by thread taper deformation and sealant (raw tape/thread glue).
Body: Rigid
Design: One-piece structure with no moving parts. The main body usually has a hexagonal design for easy wrench tightening.
Features: The angle and direction are fixed after installation and cannot be adjusted. The structure is simple, strong and reliable.

Pneumatic systems (air compressors, tools, cylinders)
Low-pressure hydraulic systems (lubricating oil circuits)
Water supply lines (hot and cold water, irrigation)
Fuel delivery (gasoline, diesel - compatibility confirmation required)
Refrigerant lines (special refrigeration connectors or compatibility confirmation required)
General industrial fluid transmission (chemicals require compatibility confirmation)
Any occasion where the hose needs to be reliably and fixedly connected to the internal thread interface.

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