National standard GB/T standard flange knowledge < / div >

is the national standard GB/T flange of a large series, it is made up of many different parts, small make up today to mention four parts:
GB/T9113.1 plane, surface integral steel pipe flange 】 【
GB/T9113.2 [concave and convex surface integral steel pipe flange]
GB/T9113.3 grooved surface integral steel pipe flange 】 【
GB/T9113.4 RTJ whole steel pipe flange 】 【

figure 1: flat flange structure

figure 2: tu face flange structure

figure 3: flange size table


Shanghai prompt you: if you need to learn more about the flange size figure can contact online customer service consultation.