Product description
1. Quick-release handwheel
2. Ball screw drive: Reduces operation torque
3. Bearing housing: Dedicated grease cup
4. Pressure-energized stem/tail rod seals: Non-rubber coated, low friction, multi-temp/medium compatibility
5. Self-energizing metal seals (upper/lower bonnet)
6. Bonnet lubricators: Emergency stem greasing + cavity greasing
7. Dual Lipseal seats: Spring/pressure-energized (low-pressure Lipseal, high-pressure metal seal); anti-particle intrusion, extended service life
8. Tail rod: Pressure balance (torque reduction) + position indication

