Product Introduction

The main function of flanges is:

1. Connect the pipeline to maintain its sealing performance. Replace the pipeline with 2. 3. Easy to check the condition of the pipeline. 4. Facilitating the closure of a certain section of pipeline

Standards: DIN, ANS, JIS

National standard: GB/T9112-2000 (GB9113 · 1-2000~GB9123? 4-2000)

American standard: ANSI B16.5 Class150、300、600、900、1500（WN、SO、BL、TH、LJ、SW）

日标： JIS 5K、10K、16K、20K（PL、SO、BL、WN、TH、SW）

German Standard: DIN2573、2572、2631、2576、2632、2633、2543、2634、2545（PL、SO、WN、BL、TH）

Ministry of Chemical Industry standards: HG5010-52~HG5028-58, HGJ44-91~HGJ65-91, HG20592-97 series, HG20615-97 series

Mechanical Department Standards: JB81-59~JB86-59, JB/T79-94~JB/T86-94, JB/T74-1994

Pressure vessel standards: JB1157-82~JB1160-82, JB4700-2000~JB4707-2000