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By certification 
FEATURES
1. QHM7N mechanical seal complies with ISO3069, DIN24960
and GB/T6556 standards.
2. Single seal
3. Unbalanced mechanical seal
4. Super-Sinus-spring
5. Independent rotation direction
6. PTFE secondary seals for high chemical resistance
Advantages
1. Standard mechanical seal with ideal sealing
2. Bilateral Rotation: alternative rotation direction, Easy install and uninstall
3. Long Product Lifecycle. Energy saving and environment protection
4. Clean assembly
5. Installation faults were avoided, adjustable, damage-free and cost-effective.
6. Straightforward and easier specification for pre-assembled units.
Time saving (reduced down-times)
9. Individual adaptation was subject to pump's design and style.
Customized products(OEMs) are available.
Conditions and Operating range
1. Pressure: 0.1-1.6MPa
2. Temperature: -30~ 200° C
3. Shaft diameter: 14 to 200 mm
4. Sliding velocity: vg≤20m/s
5. Applicable medium: Clean water, sewage water,
oil, acid, alkali, salt, corrosive solution, etc.
Material
Metal parts: Metal 316, 304, 2Cr13, Waveform Spring
Friction Elements: Silicon carbide or hard alloy,
Carbon, TC
Auxiliary seal: Rubber O-ring or PTFE
Seat Types: G9, G16, G13, G6, And G4,
1. QHM7N mechanical seal complies with ISO3069, DIN24960
and GB/T6556 standards.
2. Single seal
3. Unbalanced mechanical seal
4. Super-Sinus-spring
5. Independent rotation direction
6. PTFE secondary seals for high chemical resistance
Advantages
1. Standard mechanical seal with ideal sealing
2. Bilateral Rotation: alternative rotation direction, Easy install and uninstall
3. Long Product Lifecycle. Energy saving and environment protection
4. Clean assembly
5. Installation faults were avoided, adjustable, damage-free and cost-effective.
6. Straightforward and easier specification for pre-assembled units.
Time saving (reduced down-times)
9. Individual adaptation was subject to pump's design and style.
Customized products(OEMs) are available.
Conditions and Operating range
1. Pressure: 0.1-1.6MPa
2. Temperature: -30~ 200° C
3. Shaft diameter: 14 to 200 mm
4. Sliding velocity: vg≤20m/s
5. Applicable medium: Clean water, sewage water,
oil, acid, alkali, salt, corrosive solution, etc.
Material
Metal parts: Metal 316, 304, 2Cr13, Waveform Spring
Friction Elements: Silicon carbide or hard alloy,
Carbon, TC
Auxiliary seal: Rubber O-ring or PTFE
Seat Types: G9, G16, G13, G6, And G4,
