Valves

• Measure the outside diameter of the seating surface with a vernier caliper.

*If the outside diameter of the seating surface is too small, repeat the 45° grind until the diameter is within the specified range.

Widened Width [A] of engagement by machining with 45° cutter

Correct Width [D]

Ground Volume [E] by 60° cutter

• Measure the outside diameter of the seating surface with a vernier caliper.

• If the outside diameter of the seating surface is too small, repeat the 45° grind [A] until the diameter is within the specified range.

Original Seating Surface [B]

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