Design Description：

Spw composite seal is suitable for heavy duty two-way piston seal rings which are widely used under high-pressure working conditions. It has anti leakage, anti extrusion and wear resistance. 

The spw is composed of a pTFE sliding ring, a T-shaped rubber elastomer and two precision anti extrusion rings. 

P4 (PTFE filled with bronze) of sAppH1RE has excellent characteristics such as low friction and wear rate. It can effectively prevent extrusion with two anti extrusion rings. The initial interference of elastomer design ensures the sealing performance at low pressure. 

Characteristic：

The standard piston seal assembly consists of a rubber element, a PTFE wear ring and two retaining rings.

Simple seal installation

Rubber components: high-strength, low-voltage transformer materials

Retaining ring: high-strength wear-resistant elastomer

Wear ring: modified material