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Mechanical seals for pumps

PRODUCTS

CM1B

CM1B

Single General PurposeMechanical Seals
● Pressure:0~3.0 MPa ● Temperature:-40~260℃ ● Speed:≤25m/s
√ General application, the preferred type for normal operating conditions √ The structure of mating rings benefiting for good installation of seal faces without sloping √ Moderate sizes & optimized seal faces load, meet requirements of most API pumps
● Multiple springs, rotary ● Dent drive ● Standard floating bushing
√ Refining & petrochemical √ Coal chemical √ Chemical √ General industry
● Process side:API682 PLAN 01, 11, 13, 21, 23, 32 ● Atmospheric side:API682 PLAN 61, 62

CM4B

CM4B

Single spring pusher seals
● Pressure: 0~3.0 MPa ● Temperature: -40~260℃ ● Speed:≤25m/s
√ Single springs with excellent capabilities of anti-clogging and anti-corrosion, designed for a small amount of particles containing or easy to crystallize media √ Compensating for large axial movement √ The structure of mating rings benefiting for good installation of seal faces without sloping √ Torque transmitted by shifting forks with strong transmission capacities and independent of rotation direction
● Single springs, rotary ● Shifting forks drive ● Standard floating bushing
√ Sewage pumps √ Alkali pumpS √ Refining & petrochemical √ Coal chemical √ Chemical √ General industry
● Process side:API682 PLAN 11, 21, 31, 32 ● Atmospheric side: API682 PLAN 61, 62

CM1B/11B

CM1B/11B

Tandem pusher Seals
● Pressure:0~3.0 MPa ● Temperature:-40~260℃ ● Speed:≤25m/s
√ Widely applied in flammable, explosive or toxic, hazardous medium ,such as aromatics, acid water, etc √ Secondary seal as a safety seal, preventing medium directly leaking into the atmospheric √ Compact design fit for all API pumps
● Multiple springs, rotary ● Dent drive
√ Refining & petrochemical √ Coal chemical √ Chemical √ General industry
● Process side:API682 PLAN 11, 13, 14, 21, 23, 32, ● Between seals:API682 PLAN 52, 55

CM15/11B

CM15/11B

Tandem pusher seals
● Pressure:0~3.0 MPa ● Temperature:-40~260℃ ● Speed:≤25m/s
√ Pressurized double seal, ideal for flammable, explosive or toxic medium with high safety requirements √ Prevent media leaking into the atmosphere √ Adapt fluctuation of positive and negative pressure difference and pump housing evacuation condition √ Short axial dimension and compact designs
● Multiple springs, rotary ● Internal balanced in process side seal ● Dent drive
√ Refining & petrochemical √ Coal chemical √ Chemical
● Process side:API682 PLAN 11, 21, 32 ● Between seals:API682 PLAN 53A, 53B, 53C, 54

CM1B/1G

CM1B/1G

Tandem gas-lubricated seals for pumps
● Pressure:0~3.0 MPa ● Temperature: -40~260℃ ● Speed:≤25m/s
√ I deal for light hydrocarbon, aromatic hydrocarbon, liquid ammonia and other medium; √ Secondary seal as containment seal ,preventing medium leaking into the atmospheric √ Nitrogen as buffer gas for safety and environmental protection √ Short axial dimension and compact designs
● Multiple springs, rotary ● Dent drive
√ Refining & petrochemical √ Coal chemical √ Chemical √ General industry
● Process side:API682 PLAN 11, 13, 21, 32, ● Between seals:API682 PLAN 72, 75, 76

CM1BD

CM1BD

Back-to-back pusher seals
● Pressure:0~3.0 MPa ● Temperature:-40~260℃ ● Speed:≤25m/s
√ Applied in inflammable, explosive, toxic, granular impurities or high viscosity medium √ Prevent medium directly leaking into the atmospheric √ Compact designs, resistance for pump cavity evacuation
● Multiple springs, rotary ● Dent drive
√ Refining & petrochemical √ Coal chemical √ Chemical √ General industry
● Process side:API682 PLAN 01, 11, 21, 32, ● Between seals:API682 PLAN 53A, 53B, 53C, 54

CM15B/19B

CM15B/19B

Back-to-back high pressure pusher seals
● Pressure:0~4.0 MPa ● Temperature:-40~260℃ ● Speed:≤25m/s
√ Pressurized double seal, ideal for flammable, explosive or toxic medium with high pressure and high safety requirements; √ Prevent medium leaking into the atmospheric √ Recommended applications: hydraulic turbine of refinery hydrogenation plants, and rich amine liquid of desulfurization plants; √ Adapt fluctuation of positive and negative pressure difference and pump housing evacuation condition √ Prevent media leaking into the atmospheric, micro barrier fluid will get into pumped media √ Back-to-back arrangement, short axial dimension and compact designs
● Multiple springs, rotary ● Internal balanced+ high pressure ● multiple springs, rotary ● Dent drive
√ Refining & petrochemical √ Coal chemical √ Chemical √ Hydraulic recycle turbines √ Amine rich turbines
● Process side:API682 PLAN 01, 11, 21, 32 ● Between seals:API682 PLAN 53A, 53B, 53C, 54

CM19B

CM19B

Medium pressure single mechanical seals
● Pressure:0~6.0 MPa ● Temperature:-40~260℃ ● Speed:≤25m/s
√ CM1B derived structure, suitable for medium-high pressure chemical fluid of 3 ~ 6 Mpa; √ The unique design of the primary ring is beneficial to increase the heat dissipation area and reduce the deformation of seal faces √ Compact design fit for all API pumps √ Torque transmitted by screws and lugs, easy installation and reliable transmission.
● Multiple springs, rotary ● Primary and mating rings with medium and high pressure resistant designs ● Dent drive ● Torque transmitted by lugs ● Standard floating bushing
√ Boiler feed water pumps √ Medium and high pressure chemical process pumps √ Refining & petrochemical √ Coal chemical √ Chemical √ General industry
● Process side:API682 PLAN 11, 21, 23, 32 ● Atmospheric side:API682 PLAN 61, 62

CM19B/1B

CM19B/1B

Tandem spring pusher seals
● Pressure:0~6.0 MPa ● Temperature: -40~260℃ ● Speed:≤25m/s
√ Applied in high pressure medium, like, light hydrocarbon, aromatic hydrocarbon, ethylene, propylene ,etc. √ Prevent medium leaking into the atmospheric, usually micro leakage inside should be discharged into the flare system; √ High pressure seal in process side, the unique design of the primary ring is beneficial to reduce the deformation of seal faces and increase the heat dissipation area; √ Short axial dimension and compact designs
● Double seal with tandem arrangement ● High pressure seals in process side ● multiple springs, rotary ● Torque transmitted by lugs ● Dent drive
√ Refining & petrochemical √ Coal chemical √ Chemical √ General industry
● Process side:API682 PLAN 11, 21, 32, ● Between seals:API682 PLAN 52, 55

CMB21-E

CMB21-E

Rotary single metal bellow seal
● Pressure:0~3.0 MPa ● Temperature:-120~400℃ ● Speed:≤25m/s
√ Ideal for cryogenic and high temperature condition √ Excellent capacities of anti-corrosion and anti-seismic performance √ Rotary bellows to prevent medium particles from depositing between wave plates and self-cleaning function √ Standardized bellows manufacturing process with high strength and fatigue resistance
● Welded metal bellows, rotary ● Compaction installation ● Flexible graphite as secondary seal ● Standard floating bushing
√ Cryogenic and high temperature pumps √ Refining & petrochemical √ Coal chemical √ Chemical √ General industry
● Process side:API682 PLAN 01, 11, 21, 23, 32 ● Atmospheric side:API682 PLAN 61, 62

CMB21/B21

CMB21/B21

Tandem metal bellow seals
● Pressure:0~3.0 MPa ● Temperature: -120~400℃ ● Speed:≤25m/s
√ Ideal for cryogenic and high temperaturemedium with higher safety requirements; √ Secondary seal as a safety seal, preventing media directly leaking into the atmospheric √ Rotary bellows to prevent medium particles from depositing between wave plates , self-cleaning function
● Welded metal bellows, rotary ● Compaction installation ● Flexible graphite as secondary seal
√ Refinery& petrochemical √ Coal chemical √ Chemical
● Process side:API682 PLAN 11, 13, 14, 21, 23, 32, ● Between seals:API682 PLAN 52, 53A, 53B, 53C, 54,55 ● Atmospheric side:API682 PLAN 61, 62,

CMB21D

CMB21D

Double metal bellow seals
● pressure:0~3.0 MPa ● Temperature:-120~400℃ ● Speed:≤25m/s
√ Applied for cryogenic and high temperature condition √ Prevent medium leaking into the atmospheric √ Compact designs, resistance for pump housing evacuation
● Welded metal bellows, rotary ● Shrink fitted seal face ● Compaction installation ● Flexible graphite as secondary seal
● Refinery&Petrochemical ● Coal chemical
√ Process side:API682 PLAN 01, 21, 32 √ Between seals:API682 PLAN 53A, 53B, 53C, 54 √ Atmospheric side:API682 PLAN 61, 62

CMB54-E

CMB54-E

Stationary single metal bellow seals
● Pressure:0~3.0 MPa ● Temperature:-120~400℃ ● Speed:≤50m/s
√ Stationary designs well fitted for large shaft and high speed application √ Ideal for cryogenic and high temperature condition, normally the quench system is required with steam at high temperature to avoid coking, and nitrogen is used at cryogenic services to prevent icing; √ Special design for non-compensation ring structure to avoid stress deformation of faces; √ Standardized bellows manufacturing process with high strength and fatigue resistance
● Welded metal bellows, stationary ● Shrink fitted seal face ● Flexible graphite as secondary seal ● Standard floating bushing
√ Cryogenic and high temperature √ Refining & petrochemical √ Coal chemical
● Process side:API682 PLAN 01, 02, 11, 21, 32, ● Atmospheric side:API682 PLAN 61, 62

CMB54B/54F

CMB54B/54F

Stationary tandem metal bellow seals
● Pressure:0~3.0 MPa ● Temperature:-120~400℃ ● Speed:≤50m/s
√ Tandem metal bellow seals applied for cryogenic and high temperature services √ Stationary designs well fitted for large shaft and high speed application √ Prevent medium leaking into the atmospheric √ Standardized bellows manufacturing process with high strength and fatigue resistance;
● Welded metal bellows, stationary ● Shrink fitted seal face ● Flexible graphite as secondary seal
√ Refining & petrochemical √ Coal chemical √ Tower bottom pumps √ Radiation feed pumps √ Slurry pumps
● Process side:API682 PLAN 21, 32 ● Between seals:API682 PLAN 52, 53A, 53B, 53C, 54 ● Atmospheric side:API682 PLAN 61, 62

CMB54D

CMB54D

Stationary Face-to-face metal bellow seals
● Pressure:0~3.0 MPa ● Temperature: -120~400℃ ● Speed:≤50m/s
√ Face to face, compact structure √ Stationary designs well fitted for large shaft and high speed application √ Suitable for pump housing evacuation √ Prevent media leaking into the atmospheric √ Standardized bellows manufacturing process with high strength and fatigue resistance;
● Welded metal bellows, stationary ● Shrink fitted seal face ● Flexible graphite as secondary seal
√ Refining & petrochemical √ Coal chemical √ Radiation feed pumps √ Slurry pumps √ Hydraulic recycle turbines
● Process side:API682 PLAN 02, 21, 32 ● Between seals:API682 PLAN 53A, 53B, 53C, 54 ● Atmospheric side:API682 PLAN 61, 62

CM8G

CM8G

Dual Gas-lubricated seals
● Performance capabilities ● Pressure:0~2.0 MPa ● Temperature:-40~260℃ ● Speed:≤25m/s
√ Dry-running, contact-free operation, no friction √ Applied in toxic and hazardous media without leakage allowed √ Zero leakage of medium, with micro nitrogen leaking into pumps √ Compact design meets requirements of API pumps, and available in pump cavity evacuation.
● Multiple springs,rotary ● Torque transmitted by set screw
√ Petrochemical √ Refinery √ Coal chemical
● API682 PLAN 74

CM81G

CM81G

Dual Gas-lubricated seals
● Pressure:0~2.0 MPa ● Temperature:-40~260℃ ● Speed:≤25m/s
√ Dry-running, contact-free operation, no friction √ Applied in toxic and hazardous medium without leakage allowed √ Zero leakage of media, with micro nitrogen leaking into pumps √ Compact design meets requirements of API pumps, and available in pump cavity evacuation.
● Multiple springs,stationary ● Torque transmitted by set screw
√ Petrochemical √ Refinery √ Coal chemical
● API682 PLAN 74

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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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