Top Entry Seat with O-ring is composed of two rings (outer seat and inner top-entry seat).
A soft seal elastomeric o-ring with a hardness of 98 SH AED and a metallic elastic ring lock seat are assembled.
The back seat can be supplied with a single piston effect (SPE) or a double piston effect (DPE) configuration and other types of seals as requested by the customer.
Top-entry SPE seat with O-ring.
- O-ring
- Elastic ring
- Anti-extrusion ring
- O-ring
- O-ring or grease guard
Top-entry DPE seat with O-ring.
- O-ring
- Elastic ring
- Anti-extrusion ring
- O-ring
