FEATURES 1. QHM3N type mechanical seal complies with ISO3069 standard, DIN24960, GB/T6556 standard. 2. Single seal 3. Unbalanced mechanical seal 4. Conical spring (hook) drive 5. Fixed shaft rotation direction for hook drive Advantages 1. Standard mechanical seal with ideal sealing 2. Axial loaded O-ring dynamically, easy and smooth, damage free 3. Long Product Lifecycle. Energy saving and environment protection 4. Clean assembly 5. Installation faults were avoided, damage-free and cost-effective. 6. Straightforward and easier specification for pre-assembled units. Time saving (reduced down-times) 7. Individual adaptation was subject to pump's design and style. Customized products (OEMs) are available. 8. Wide applicable to programs about conversion and retrofit Conditions and Operating range 1. Pressure: 0.1-1.0MPa 2. Temperature: -20° C~ 180° C 3. Shaft diameter: 10 to 80 mm 4. Sliding velocity: vg≤15m/s 5. Applicable medium: Water, waste, oil and weak corrosive fluid (medium) Materials Metal parts: Metal 316, 304, 2Cr13 conical hook Spring Friction Elements: Silicon carbide or hard alloy, Carbon graphite Auxiliary seal: Rubber O-ring or PTFE Seat Types: G9, G13, G6, And G4