Product description
1. Operation limited to full open/close (no half-open position): Prevents disc/seat erosion by fluid
2. Top-entry design for in-line maintenance: Bonnet easily removable to inspect/replace internal parts without pipeline removal
3. Flexible internal component options: Stem, disc, seat, and packing available in application-specific materials
4. Top sight glass: Enables visual confirmation of valve position
5. Special seat assembly: Reliable sealing, effective even with minor scratches/wear on seat and disc