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.Know More
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
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 >
PU and PVC are both different kinds of imitation leather, but they differ in the materials that they are made of and the way that they are made. Polyvinyl chloride, or PVC leather, is made by chemically altering vinyl. Polyurethane, or PU leather, is made from leather leftovers and polyurethane.Full Answer >
The difference between black and white PVC pipes is the chemical composition of the plastic used in manufacturing them. They are both primarily used for water drainage purposes.Full Answer >
CPVC pipe differs from PVC pipe in that it withstands a wider degree of temperatures and contains more chlorine. PVC pipes can handle temperatures up to 140 degrees Fahrenheit according to ASTM standards. CPVC pipes can take temperatures up to 190 degrees Fahrenheit.Full Answer >