Pipe joint thread, said in 2 / 3 / 4 points, what does that mean, how to convert ah?,
This appellation is the traditional British appellation, which is also used in the machinery industry for addressing the diameter of bolts4 in charge of diameter is 15mm (Dn15)6 points 20mm (Dn20)The pipe diameter is not 2 points, 3 pointsThe 25mm diameter pipe is called 1 inch tubeDn32mm inch tubeDn50mm 2 inch tubeDn75mm 3 inch tubeDn100 4 inches
A threaded pipe joint, said the 2 / 3 / 4 what is the meaning of: usually refers to the diameter of the pipes, is expressed in Imperial units; conversion relationship: 1 inches =25.4 mm, 1 inch =8, 1 points =1/8 inches =3.175 mm; then, 2 inches =2*3.175=6.35 mm; 3 English major is approximately equal to 10 mm; 4 points equal to approximately 15 mm. Preliminary estimates, according to the general 1 inches =25 mm; 1 =3 mm old!
2 points =2/8, that is, 1/4 inches, and the others are divided by 81 inches =25.4 mmIf it means the thickness of the pipe, it is the British tube of 1/4Indicates that the thread size is the thread of G 1/4
External thread of 1/4, 1/2, 1/8 mark is a thread size code, in inches. Insiders usually used to call thread size, one inch 1/4 inch is equal to 8 points, 2 points, and so on is referred to as.G pipe thread (Guan), 55, 60 degrees is a functional division, commonly known as the tube. The thread is machined from a cylindrical surface.
