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Ningbo ISP Industrial Sealing Products Co.,Ltd.
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Johncrane metal bellow mechanical seal
| Payment Terms: | T/T,WU |
| Place of Origin: | Zhejiang, China (Mainland) |
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Product Detail
Johncrane680 metal bellow mechanical seal
for general-purpose applications
a standard for low-temperature applications
Low Temperature, General Duty Alloy-20 Metal Bellows Shaft Seal
High-Performance Sealol Metal Bellows Seals
The Type 680 is the ideal seal for general-purpose applications. Its Alloy-20 bellows provide corrosion resistance in a broad range of services. Its cost-effective design, combined with a reliable performance history, has made the Type 680 a standard for low-temperature applications found in the chemical, water and wastewater, pulp and paper, and utility industries.
High-Performance Sealol Metal Bellows Seals
The Type 680 is the ideal seal for general-purpose applications. Its Alloy-20 bellows provide corrosion resistance in a broad range of services. Its cost-effective design, combined with a reliable performance history, has made the Type 680 a standard for low-temperature applications found in the chemical, water and wastewater, pulp and paper, and utility industries.
It is the seal of choice in sealing Refrigeration Compressors.
Design Features
Leader in Bellows Sealing Technology
Sealol Low-Temperature and High-Temperature bellows seals assure low emissions and optimized Mean-Time-Between-Planned-Maintenance (MTBPM).
Design Features
Leader in Bellows Sealing Technology
Sealol Low-Temperature and High-Temperature bellows seals assure low emissions and optimized Mean-Time-Between-Planned-Maintenance (MTBPM).
Superior Bellows Design
These seals are manufactured with a 45 degree tilt edge at the bellows inside diameter to disperse stresses and maximize operating life.
These seals are manufactured with a 45 degree tilt edge at the bellows inside diameter to disperse stresses and maximize operating life.
Superior Plate Shape
The plate shape used by John Crane Sealol is called a nesting ripple. With a three-sweep radius, this plate design allows the bellows device to be flexed repeatedly without the metal being stressed beyond its endurance limit.
The plate shape used by John Crane Sealol is called a nesting ripple. With a three-sweep radius, this plate design allows the bellows device to be flexed repeatedly without the metal being stressed beyond its endurance limit.
Self-Cleaning Design
Rotating bellows throw off suspended particles that clog spring-type seals. This self-cleaning action eliminates the need for external flushing, filters or cyclone separators and their associated costs.
Rotating bellows throw off suspended particles that clog spring-type seals. This self-cleaning action eliminates the need for external flushing, filters or cyclone separators and their associated costs.
World-class Bellows Manufacture
Our bellows production facility has an outstanding manufacturing process with state-of-the-art stamping,welding and testing technology.
Our bellows production facility has an outstanding manufacturing process with state-of-the-art stamping,welding and testing technology.
Application Flexibility
A wide range of metallurgies, face combinations and packing materials are used to seal a variety of demanding applications.
A wide range of metallurgies, face combinations and packing materials are used to seal a variety of demanding applications.
Advanced Research and Development
The Sealol bellows incorporate all of the design features resulting from key engineering competencies, such as metallic thin shell methodology, tribology and fluid sealing technology, and thin film/fluid mechanics.
Quick Specs - Refer to datasheet for full specification and limits
Temperature -75 C to +290 C / -100 F to +550 F
(depending on material being used)
Pressure Vacuum to 25 bar / 360 psi
Speed Up to 25 m/s / 5,000 fpm
The Sealol bellows incorporate all of the design features resulting from key engineering competencies, such as metallic thin shell methodology, tribology and fluid sealing technology, and thin film/fluid mechanics.
Quick Specs - Refer to datasheet for full specification and limits
Temperature -75 C to +290 C / -100 F to +550 F
(depending on material being used)
Pressure Vacuum to 25 bar / 360 psi
Speed Up to 25 m/s / 5,000 fpm
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Company Info
Ningbo ISP Industrial Sealing Products Co.,Ltd. [China (Mainland)]
Business Type:Manufacturer, Trading Company, Agent, Distributor/Wholesaler, Service
City: Ningbo
Province/State: Zhejiang
Country/Region: China (Mainland)
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