What type of couplings should be attached to powder driven studs?

In this context, increaser couplings are specifically designed for joining pipes of different diameters while maintaining a flow from the smaller diameter to the larger diameter. When utilizing powder-driven studs for fastening, it’s critical to ensure that the joint created allows for a smooth transition in pipeline flow and pressure without restricting it.

Using increaser couplings allows fittings to connect to larger pipes more effectively, facilitating better water flow while minimizing potential leakage points. In a sprinkler fitting system, maintaining the efficiency of fluid transport is paramount, making the choice of couplings particularly significant.

On the other hand, reducer couplings would be inappropriate, as they are intended for connecting pipes of larger diameter to smaller ones, which does not align with the application context of powder-driven studs. Coupler fittings serve to join two pipes of the same size, while elbow joints are used for changing the direction of the piping but do not serve the purpose of increasing pipe size. Therefore, increaser couplings are the suitable choice for ensuring the proper function of the system while securely attaching to fasteners like powder-driven studs.