Npt Ring Gage Calibration

External taper pipe thread measurement calibration.

Npt ring gage calibration.

Npt and nptf thread gages. Pipe thread gages can be very confusing. Even experienced users who have used straight thread gages may be confused by the use of tapered pipe thread gages. The most common pipe thread is tapered.

Please see see the link below for a pdf to explain the basics of npt and nptf thread gages. You can use this information to your benefit. Pipe thread and thread pitch identifiers. Using the npt or nptf or anpt gages can also be simple since you only have 1 primary l1 gage that acts as both go and nogo using the gauge notch s or ring face to line up with the end of the product thread the allowable tolerance the basic thread form is within compliance.

Ring gauges can help make design engineering work more exacting and can confirm pipe thread accuracy. Now you know the ring met the xx class and you know the exact size of the ring. What you will get with this ring is a certificate that documents its size at various locations as well as the calibration lab s measurement uncertainty. Jbo npt gonogo pg rh calib starting at 203 71 169 76 premium german made npt right hand go no go thread plug gauge.

Threaded ring gauges for npt pipe threads with calibration certificate to ensure accuracy of npt pipe thread measurements these gauges include a certificate of calibration traceable to nist that states they ve passed a test for accuracy. Tapered pipe thread standards are covered by american national standard institute american society of mechanical engineers ansi asme and applicable american petroleum institute api a k a.