Description
John Guest – Polypropylene Inline Straight Ball Valve – Threaded
- The body is produced in polypropylene
- O-rings are EPDM
- The collet is produced in polypropylene with stainless steel teeth
- The handle is produced in acetal copolymer
National Pipe Thread (NPT) Size Measured Against a Ruler* | |
Actual Diameter (Inches) |
National Pipe Thread (NPT) (Fractional) |
0.405″ | 1/8″ |
0.540″ | 1/4″ |
0.675″ | 3/8″ |
0.840″ | 1/2″ |
*NOTE: A very common misconception is that a 1/4″ NPT measures as 1/4 inch on a ruler or tape measurer. However, that is not the case. NPT will measure larger in diameter. Above is a sizing reference to help clarify.