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Mechanical Seal John Crane Type 680 Mechanical Seals Metal Bellow Seal
US$100.00
1-19 Pieces
US$20.00
20+ Pieces
Product profile
Customization
AvailableStructure
Single EndPressure
Medium Pressure Mechanical SealsModel NO.
SS680Speed
General Speed Mechanical SealTemperature
Temperature Mechanical SealPerformance
TemperatureStandard
Standard, Nonstandard, OEMType
SS680Balance
BalancedTransport Package
Wooden Box or Carton Box Upon The OrderSpecification
CE; RoHSTrademark
Saisi SealOrigin
Zhangjiagang, JiangsuHS Code
84842000Production Capacity
50, 000sets/YearKey features
UNIVERSAL SEAL
IN STOCK
Maximum line speed up to 20m/s.
Various secondary seal material choices.
Rich optional spring and metal part materials.
Stable performance under harsh working conditions.
Suitable for various industrial process pumps.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 8 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤2.21h
AI-Powered supplier vetting
SummaryThe supplier operates in valves, couplings, metal structural components, instruments, electrical components, and related import/export activities. It reports broad customization services, ODM capability, OEM service for well-known brands, 3D software design, and professional technical supplier status. Export experience is stated as eight years, with self-operated import/export rights and one-month average lead times in both peak and off-season. However, the supplier reports no new products in the past year, no patents, no private molds, no overseas service facilities or agents, and no ERP, OA, CRM, or SAP systems. Service procedures exist for corrective actions and complaints, but written records are absent. Financial information is inconsistent and insufficiently interpretable, so financial credibility cannot be confirmed.
Supplier typeThe stated business scope covers valves, couplings, metal structural components, instruments, and electrical components, while the supplier identifies itself as a professional technical supplier. This supports classification as an industrial component and technical-product supplier, but the slices do not establish a narrower legal or manufacturing classification.
R&D capabilityThe supplier offers ODM and 3D software design services, but reports no new products in the past year, zero R&D patents, no private molds, no available SDK, and no ERP, OA, CRM, or SAP systems. These findings show some design capability but limited evidence of sustained or system-supported innovation.
Production capacityFinished-product inspection instructions are available and uniformly followed. The supplier has self-operated import/export rights, eight years of export experience, and reports one-month average lead times in both peak and off-season; however, direct production capacity details such as equipment, output, or facility scale are not provided.
Customization capabilityThe supplier explicitly provides customization from samples, designs, full customization, minor customization, and flexible customization. It also offers ODM services and 3D software design, giving clear evidence of broad customization support.
Client casesThe supplier states that it provides OEM services for well-known brands, which is evidence of at least one type of customer experience. No brand names, project details, quantities, or independently verifiable case information are provided.
Product Q&A
Q:What is the operating temperature range?
A:
The seal operates within a temperature range of -50 to 204 degrees Celsius.
Q:What materials are used for the seal rings?
A:
Seal rings are available in Car, Sic, Ssic, and TC materials.
Q:Can the seal be customized?
A:
Yes, we offer OEM mechanical seals and customized products to meet specific customer demands.
Q:What is the maximum operating speed?
A:
The mechanical seal supports a general speed of up to 23 meters per second.
Q:What repair services are provided?
A:
We provide seal refurbishment, failure analysis, reconstruction, seal assembly, and static testing.
Send Inquiry
*To:
SAISI SEAL CO., LTD
SAISI SEAL CO., LTD*Content:
Supplier replies will be sent to your registered email
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