1.Design and manufacture standard：API599, API6D, DIN3356
2.Face to face dimension standard：ASME B16.10,DIN3202-F1
3.Flange connection standard : ASME B16.5, DIN2543-2545, GB/TT9113, HG20592, EN1092-1.
4.Test and inspection standard: PI 598, API6D, DIN3230
Material for main parts
|Plug||A182-Gr.F6a, A182-F22. A182-F304 ,F316,F321,F304L,F316|
|Gasket||PTFE. Flexible graphite + stainless steel|
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Factory making China Sot Seated Plug Valve, 0.5 Sleeve Plug Valve, There are advanced producing & processing equipment and skilled workers to ensure the products with high quality. We have found an excellent before-sale, sale, after-sale service to ensure the customers that could rest assured to make orders. Until now our products are now moving on fast and very popular in South America, East Asia, the Middle east, Africa, etc.