We have no meanings for "piston valve" in our records yet.
1 Remove the broken piston valve , reduce boiler pressure to 100 pounds and proceed.
2 How would you place engine to locate broken admission steam ring in piston valve ?
3 How would you locate broken exhaust ring in piston valve ?
4 A piston valve can be either inside or outside admission, while a slide valve is always outside admission.
5 If piston valve on cross compound was broken so it became necessary to remove it, what should you do?
6 If during a trip you found the piston valve rings of a cross compound were broken, what would you do?
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