For valve seat materials made of ordinary steel, is it WCB or CF8, or should it be referred to as carbon steel or 20 steel? ? How should the valve seat material be specified?

2017-10-27View Original

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For valve seat materials made of ordinary steel, is it WCB or CF8, or should it be referred to as carbon steel or 20 steel? ? How should the valve seat material be specified?

Reply #22017-10-27

Can the material of the valve seat be the same as that of the valve body? ? ?

Reply #32017-10-27

Carbon steel includes WCB 20#. , of course, it’s still better to specify the material

Reply #42017-10-28

The valve seat material is indicated as WCB CF8. The description uses the national standard ； Ball valve Q41F-150P. US standard ； BALL VALVE, Class150, RF, FB, CF8/PTFE+304+304, WITH GEAR, FIRE SAFE.

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