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By certification 
FEATURES
1. QH171 type mechanical seal complies with ISO3069 standard,
DIN24960, GB/T6556 standards.
2. Single seal
3. Balanced seal
4. Inside seal
5. Key drive
6. Multiple springs rotating
Advantages
1. Standard mechanical seals for ideal sealing
2. Axial loaded O-ring dynamically, easy and smooth, damage free
3. Clean assembly
4. Long product lifecycle. Energy saving, environment protection
5. Installation faults are avoided, damage-free and cost-effective.
6. Excellent compensation performance functioning equivalent,
effective pressurization
7. Straightforward and easier specification for pre-assembled unit.
Time saving (reduced down-times)
8. Individual adaptation was subject to pump's design and style.
Customized products (OEMs) are available.
9. Wide applicable to program about conversion and retrofit
Conditions and Operating range
1. Pressure: 0~1.6MPa
2. Temperature: ≤150° C
3. Shaft diameter: d0=20 to 75mm, d2=27 to 94 mm
4. Linear Velocity: vg ≤20m/s
5. Applicable medium: Crystalline alkali, salt
solution, strong corrosive medium.
Materials
Metal parts: Metal 316, 304, 2Cr13 multiple Springs
Friction Elements: Silicon carbide or hard alloy,
Auxiliary seal: Rubber O-ring or PTFE
1. QH171 type mechanical seal complies with ISO3069 standard,
DIN24960, GB/T6556 standards.
2. Single seal
3. Balanced seal
4. Inside seal
5. Key drive
6. Multiple springs rotating
Advantages
1. Standard mechanical seals for ideal sealing
2. Axial loaded O-ring dynamically, easy and smooth, damage free
3. Clean assembly
4. Long product lifecycle. Energy saving, environment protection
5. Installation faults are avoided, damage-free and cost-effective.
6. Excellent compensation performance functioning equivalent,
effective pressurization
7. Straightforward and easier specification for pre-assembled unit.
Time saving (reduced down-times)
8. Individual adaptation was subject to pump's design and style.
Customized products (OEMs) are available.
9. Wide applicable to program about conversion and retrofit
Conditions and Operating range
1. Pressure: 0~1.6MPa
2. Temperature: ≤150° C
3. Shaft diameter: d0=20 to 75mm, d2=27 to 94 mm
4. Linear Velocity: vg ≤20m/s
5. Applicable medium: Crystalline alkali, salt
solution, strong corrosive medium.
Materials
Metal parts: Metal 316, 304, 2Cr13 multiple Springs
Friction Elements: Silicon carbide or hard alloy,
Auxiliary seal: Rubber O-ring or PTFE
