Nipple how to test

Nipple, is refers to the threaded pipe fittings, is one of the most common in industry and life fitting, nipple pipe connection easier, remove the change were also more likely to, greatly saves the cost of the pipe connection. The nipple is usually metal manufacturing industry, high pressure, material is carbon steel, stainless steel, alloy steel, brass, etc. ; Life in the nipple material generally have a PC, PVC, PE, PPR, etc. At the scene of the production, is the main stainless steel material on joint, let's take a look at the inspector how to test below joint! Tools: digital display caliper, ring gauge. 1. First got the connector drawings, showing the tooth head is 3/8 & throughout; BSP, find the matching ring gauge, see whether all through the ring gauges. 2. According to the parameters of the drawing, the size of the sink hole is measured with a caliper. 3. According to the parameters of the drawings, nut height and width is measured with a caliper. 4. According to the parameters of the drawings, the pore diameter of thread is measured with a caliper. 5. According to the parameters of the drawings, nipple thread length and the length is measured with a caliper.