亚洲狼人综合网|久久国产精品二国产精品|日韩视频中文字幕久久 ,亚洲欧洲国产综合,国产欧美日韩另类一区乌克兰,国产精品高清视亚洲乱码,国产成人精品日本

1. Pressure rating 6000psi standard 10,000psi on request.

2. The valve body designed according to ASME VⅢ DIVISION 1 Standard, the material meet the requirement of  ASTM concerning THE POWER STATION.

3. Standard design of stellite trim, Other alternative materials available on request.

4. Gland packing Graphoil(648℃) or PTFE(225℃) .

5. Safe bonnet design.

6. Internally loaded blow-out proof stem.

7. Non-rotating stem tip.

8. Rolled machined spindle drive thread.

9. 416ss Gland retainer.

10. Drive thread is up the gland seal, gland seal completely isolate with the drive thread.

11. Back pressure seal function.

12. Low-in & high-out flow type.