PRODUCTS
PRODUCTS
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Mechanical seals for pumps
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Dry Gas Seals for Compressors
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Agitator Mechanical Seal
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Carbon Ring Seal
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Special seals
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Seal Auxiliary Systems for Pumps
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Dry Gas Seal and Support System for Pipeline Compressor
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Engineered Seals
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Split Mechanical Seal
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Bearing Protector
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Bearing Isolators
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Rotary Jet Pumps
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SIMS
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Sealing Components
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Shield Tunneling Machine Seal
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Seal Manufacturing System
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Materials

U7011
Double Pusher Seals
● Pressure:≤3MPa
● Temperature:-40~260°C
● Shaft Diameter: 20~160mm
● Speed: ≤3600r/min
● Sliding Velocity: ≤25m/s
● Suitable for equipment of screen, knotter
● Medium will not leak into the atmosphere side
● Shared spring design, suitable for larger shaft end-play
● Double, multi-springs, stationary structure
● Prevent the hang-up of the springs by placing the springs at the outboard seal
● Dual balance design, able to work under the reverse pressure
● Cartridge design, easy for installation and maintenance
● Pulp and Paper
● Chemical
● Pharmaceutical
● General
● Process side Piping Plan01,11,32
● Atmospheric side Piping Plan54, 55

U7012
Double Pusher Seals
● Pressure:≤2MPa
● Temperature:-20~180°C
● Shaft Diameter:20~120mm
● Speed: ≤3600r/min
● Sliding Velocity: ≤25m/s
● Applied for the stock pump, MC-pump, agitator and refiner equipment
● Medium will not leak into the atmosphere side
● Shared spring design, suitable for larger shaft end-play
● Double, multi-springs, stationary structure
● Prevent the hang-up of the springs by placing the springs atthe outboard seal
● Dual balance design, able to work under the reverse pressure
● Sealing ring float design, secure the sealing face fit tightly
● Pulp and Paper
● Chemical
● Pharmaceutical
● General
● Process side Piping Plan01,11,32
● Atmospheric side Piping Plan54, 55

CM1B
Typical Cartridge Single Mechanical Seal
● Pressure: ≤3MPa
● Temperature: -40~260℃
● Shaft Diameter: 20~200mm
● Speed: ≤3600r/min
● Linear Velocity: ≤25m/s
● Basic solution, recommended choice for common services.
● Average seal size, uniform load on the sealing surface.
● Compensation part is fully pre-installed, easy for installation.
● Dimensions conform to the requirements of API standards pump chamber space.
● Multi-springs
● Rotary type
● Convex lug drive
● Floating throttling ring assembly
● Refining and Petrochemical Industry
● Chemical Industry
● Oil and Gas Industry
● Coal Chemical Industry
● General Industry
● Process Side API682 PLAN01、11、13、21、23、32
● Atmospheric Side API682 PLAN61、62

CM4B
Single Mechanical Seal with Large Spring
● Pressure: ≤2.5MPa
● Temperature: -40~260℃
● Shaft Diameter: 20~125mm
● Speed: ≤3600r/min
● Linear Velocity: ≤25m/s
● Large spring structure has strong resistance to clogging and corrosion.
● The compensation parts has a large floating amount and strong adaptability.
● Shifter fork drive, strong ability to transmit torque, unlimited rotation direction.
● Suitable for medium, which containing small amount of particles or easy crystallization.
● Single spring
● Rotary type
● Shifter fork drive
● Floating throttling ring assembly
● Refining and Petrochemical Industry
● Chemical Industry
● Oil and Gas Industry
● Coal Chemical Industry
● General Industry
● Process Side API682 PLAN11、21、31、32
● Atmospheric Side API682 PLAN61、62

Single Arrangement of High-speed Seal
● Restriction ring allows leakage fluid to leak from the vent port.
● Suitable for various chemical fluid medium, high or low-temperature conditions.
● Multi-spring
● Stationary structure
● Simple structure
● Process Side PLAN11、13、14、21、32

Tandem Arrangement of High-Speed Seal
● Mechanical seals are used on the process side, with mechanical seals or dry gas seals
on the secondary side.
● Trace leakage from the medium can vent to flare.
● Suitable for various chemical fluids, high or low-temperature conditions.
● Multi-spring
● Stationary type
● Process side and second-stage seal tandem arrangement
● Process Side PLAN11, 13, 14, 21, 32
● Secondary Side PLAN52, 72+75, 72+76

Double Arrangement of High-Speed Seal
● Achieves zero leakage of medium, but there may be trace external sealing liquid or
internal leakage of sealing gas into the unit.
● Suitable for high-risk medium, high or low-temperature conditions, and occasions where
the pump chamber can be evacuated.
● Multi-spring
● Stationary type
● Face-to-face arrangement
● Process Side PLAN53、54、74

60A-51A
Mechanical Seal
● Used for process side seal.
● Multi-spring, balanced, stationary.
● The compensating element is pre-assembled as a whole, with compact dimensions and
easy installation.
● The primary ring utilizes shaft sleeve compression drive, facilitating smooth operation
at high speeds.
● ressure: ≤3MPa
● Temperature: -20~180℃
● Shaft Diameter: 20~80mm
● Speed: ≤30000r/min

60B-51B
Mechanical Seal
● Used for secondary stage seal.
● Multi-spring, balanced, stationary.
● The compensating element is pre-assembled as a whole, with compact dimensions and
easy installation.
● The primary ring utilizes shaft sleeve compression drive, facilitating smooth operation at
high speeds.
● Pressure: ≤3MPa
● Temperature: -20~180℃
● Shaft Diameter: 20~80mm
● Speed: ≤30000r/min

60C-51D
Mechanical Seal
● Used for seal on the gearbox oil side.
● Multi-spring, balanced, stationary.
● The compensating element is pre-assembled as a whole, with compact dimensions and
easy installation.
● The primary ring utilizes shaft sleeve compression drive, facilitating smooth operation at
high speeds.
● Pressure: ≤0.5MPa
● Temperature: -20~180℃
● Shaft Diameter: 20~80mm
● Speed: ≤30000r/min

B60A-51A
Mechanical Seal
● Stationary metal bellows seal.
● Same installation dimensions as 60A-51A.
● Used for process side seal.
● Suitable for high and low-temperature conditions.
● Pressure: ≤3MPa
● Temperature: -40~260℃
● Shaft Diameter: 20~80mm
● Speed: ≤30000r/min

B60B-51B
Mechanical Seal
● Stationary metal bellows seal.
● Used for secondary stage seal, with the same installation dimensions as 60B-51B.
● Suitable for high and low-temperature conditions.
● Pressure: ≤3MPa
● Temperature: -40~260℃
● Shaft Diameter: 20~80mm
● Speed: ≤30000r/min

60A-51C-60B
Mechanical Seal
● Double stationary seal.
● The compensating element is pre-assembled as a whole, facilitating easy installation.
● The primary ring utilizes shaft sleeve compression drive, facilitating smooth operation at
high speeds.
● Suitable for high-risk medium and can adapt to pump chamber evacuation.
● Pressure: ≤3MPa
● Temperature: -20~180℃
● Shaft Diameter: 20~80mm
● Speed: ≤30000r/min

B60A-51C-B60B
Mechanical Seal
● Double metal bellows seal.
● Same installation dimensions as 60A-51C-60B.
● Suitable for high-risk medium and can adapt to pump chamber evacuation.
● Suitable for high and low-temperature conditions.
● Pressure: ≤3MPa
● Temperature: -40~260℃
● Shaft Diameter: 20~80mm
● Speed: ≤30000r/min

CM17G
Dry Gas Seal
● Used for secondary stage seal.
● Single type, non-contact running.
● Multi-spring, balanced, stationary.
● The compensating element is pre-assembled as a whole, facilitating easy installation.
● The primary ring utilizes shaft sleeve compression drive, facilitating smooth operation at
high speeds.
● Pressure: ≤3MPa
● Temperature: -20~180℃
● Shaft Diameter: 20~80mm
● Speed: ≤30000r/min

CM17GD
Dry Gas Seal
● Double type, non-contact running.
● The primary ring utilizes shaft sleeve compression drive, facilitating smooth operation at
high speeds.
● Achieves zero leakage of medium.
● Trace amounts of nitrogen gas may leak into the pump.
● Pressure: ≤3MPa
● Temperature: -20~180℃
● Shaft Diameter: 20~80mm
● Speed: ≤30000r/min

CM10G
Dry Gas Seal
● Used for sealing on the gearbox oil side.
● Non-contact running.
● Achieves "gas sealing oil," with no external leakage of lubricating oil.
● The primary ring utilizes shaft sleeve compression drive, facilitating smooth operation at
high speeds.
● Pressure: ≤0.5MPa
● Temperature: -20~180℃
● Shaft Diameter: 20~80mm
● Speed: ≤30000r/min

CM1B/11B
Tandem Mechanical Seal
● Pressure: ≤3MPa
● Temperature: -40~260℃
● Shaft Diameter: 20~120mm
● Speed: ≤3600r/min
● Linear Velocity: ≤25m/s
● 2CW-CW dual seal of API682 arrangement 2.
● Secondary seal as the safety seal, the medium does not leak into the atmosphere.
● Widely used in flammable and explosive or toxic and harmful mediums, such as
aromatics, acidic water, etc.
● Multi-springs
● Rotary type
● Convex lug drive
● Compact size
● Refining and Petrochemical Industry
● Chemical Industry
● Oil and Gas Industry
● Coal Chemical Industry
● Process Side API682 PLAN11、13、14、21、23、32
● Barrier Side API682 PLAN52、55
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Contact
Email: export@sns-china.com
International sales: +86-028-85373902
Address: No. 8, 4th Wuke West Road, Chengdu City, Sichuan Province,China
Sinoseal Holding Co., Ltd. is a Chinese listed company and a leader in China’s Fluid Sealing Industry. Sinoseal has transformed its 40 over years of research and development experience into a professional company specialized in the production and a provider of overall sealing solutions for its customers. With our strong technical strength and advance technology and equipment used in manufacturing , Sinoseal’s products and services enjoy a good reputation across the industries it serves in China.
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