富二代f2抖音app破解版安装包

青蛙视频app下载安卓老版
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1. The pressure range is 6000PSI ~ 10000psi.
2. The valve body is designed according to ASME V Ⅲ Division 1 standard, and the material meets the requirements of ASTM for power station.
3. Stellite (tungsten chromium cobalt alloy) spool as standard configuration, optional other material spool.
4. Packing: graphite (649 ℃) or PTFE (225 ℃).
5. Safety valve cap design.
6. Anti blow out valve rod.
7. No rotary valve head.
8. Stem drive thread for rolling.
9. The push ring is made of 416ss stainless steel.
10. The drive thread is located above the packing and the thread is completely isolated from the thread.
11. Safe back sealing function.
12. Circulation form of low in and high out.

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