WHEN refacing the valve seats of an automobile engine, it is usually the practice to make a reamer out of cast steel and temper and grind it to she. This is rather a tedious task and somewhat ...

seating the valve into the valve seat, and spinning a wooden stick in between the palms of your hands as quickly as possible. Our machinist friend Don Barrington, Jr. offered this little tip for ...

This committee will be responsible to develop a standard to describe various seat leakage specifications for cryogenic control valves. This standard will establish optional cryogenic seat leakage ...