FEATURES 1. Balanced seal 2. Single seal 3. Multiple springs rotating 4. PTFE wedge ring auxiliary sealing Advantages 1. Normal mechanical seals for ideal sealing 2. High pressure operating conditions are agreeable. 3. PTFE ring for corrosion resistance. 4. Clean assembly 5. Long product lifecycle. Energy saving, environment protection 6. Installation faults are avoided, damage-free and cost-effective. 7. Excellent compensation performance functioning equivalent, effective pressurization 8. Straightforward and easier specification for pre-assembled unit. Time saving (reduced down-times) 9. Individual adaptation was subject to pump's design and style. Customized products (OEMs) are available. 10. Wide applicable to program about conversion and retrofit Conditions and Operating range 1. Pressure: ≤5.0MPa 2. Temperature: -50° C~ 200° C 3. Shaft diameter: d=12.7 to 152.4mm 4. Rotation speed: n≤5000r/min 5. Applicable medium: Water, waste, oil and weak corrosive fluid (medium), chemical Materials Metal parts: Metal 316, 304, 2Cr13 multiple Springs Friction Elements: Silicon carbide or hard alloy, Carbon graphite Auxiliary seal: PTFE wedge ring