The main difference between a British Standard Pipe Taper and a National Pipe Taper threads is that the NPT thread have a 60-degree included angle compared to the 55-degree included angle on the BSPT thread. NPT threads also have flattened peaks and valleys called a Sellers form, while the BSPT have rounded peaks and valleys called the Whitworth form.Continue Reading
The NPT seal is the most widely used seal in the United States and Canada for pressure calibration. The tapered male NPT thread wedges into the female NPT adapter in such a way that as the seal is tightened, the force generated between the fittings can handle pressure.
The BSPT on the other hand is the most commonly used thread in other countries. A thread sealant will be required in order to seal a BSPT connection together properly.Learn more about Plumbing
A JIC fittings chart displays the corresponding size and number of threads for each JIC 37-degree hydraulic fitting. The fitting chart also indicates the shoulder width and diameter, fitting length, bore diameter, and tip diameter. The sizes on the charts are usually in inches.Full Answer >
Use an adjustable wrench to remove the shower head counterclockwise, place tape the threads of the shower arm and screw the new shower head into place clockwise. A pair of slip-joint pliers also used to grip the shower arm can keep it in place while turning the shower head.Full Answer >
To install a shower head, remove the old one, wrap Teflon tape around the threads of the shower stem, attach a diverter to the stem, and screw the shower head onto one end of the diverter. Wrap the diverter's other end with Teflon tape, and secure the hose attachment.Full Answer >
Turn off the water source, disconnect any attached hose, remove the old spigot, clean the water pipe threads and install a new spigot to repair an outside faucet with stripped threads. For outside faucets with leaks, replacement is usually the quickest and least expensive way to avoid additional damage from water leaking into the wall. The replacement process usually requires a second person to assist.Full Answer >