When installing the Top Entry Valve, the seats are housed in the spring holder ring, high or low profile ring, and blocked by the sector spacer.
SPRING HOLDER RING
The spring holder ring predominantly made of carbon steels and then nickel plated. Sometimes, depending on valve application, a stainless steel welding overlay or super nickel alloys are used to reinforce some critical areas.
Spring holder ring
SECTOR SPACER
The sector spacer is mainly produced with carbon steels and then subjected to nickel treatment.
Projected with different designs, the sector spacers allow you to properly lock the seats with the spring holder rings.
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