What are the payment terms?

We accept LC, T/T, D/P, PayPal, Small-amount payment, and Western Union.

What is the lead time for production?

The average lead time is one month, regardless of peak or off-season.

Does the product undergo quality inspection?

Yes, 100% inspection is performed, including visual and function checks, with traceable raw materials.

Suitable for Replacement John Crane Type 680 mechanical seal

Name: Suitable for Replacement John Crane Type 680 mechanical seal
Brand: SAISI SEAL CO., LTD
SKU: 727833305

Jiangsu, ChinaSAISI SEAL CO., LTD

US$100.00

1-9 Pieces

US$20.00

10+ Pieces

Product profile

Customization

Available

Structure

Single End

Pressure

Medium Pressure Mechanical Seals

Model NO.

SS680

Speed

General Speed Mechanical Seal

Temperature

Temperature Mechanical Seal

Performance

Temperature

Standard

Standard, Nonstandard

Type

SS680

Balance

Balanced

Transport Package

Wooden Box or Carton Box Upon The Order

Specification

CE; RoHS

Trademark

Saisi Seal

Origin

Zhangjiagang, Jiangsu

HS Code

8484200090

Production Capacity

10000sets/Year

Key features

Corrosion Resistance: Rotating Alloy-20 bellows provide excellent corrosion resistance in broad corrosive media.

Wide Temperature Range: Operating temperature range from -20 to 220 degrees Celsius for versatile applications.

High Speed Capability: Designed for general speed applications with a maximum speed limit of 20m/s.

Customization Options: Supports full customization, minor customization, and flexible customization from samples or designs.

Quality Assurance: 100% inspection including visual and function checks with traceable raw materials.

Versatile Material Selection: Available with Car, Sic, Ssic, TC seal rings and various elastomers like NBR, EPDM, FKM.

Industry Standard Design: Equivalent to John Crane 680, ideal for chemical, water, wastewater, and pulp industries.

Low MOQ: Minimum order quantity is just 1 Pc, allowing for flexible purchasing.

Company profile

Importers and ExportersCooperated with Fortune 500Experienced TeamQuality Assurance

SAISI SEAL CO., LTD

Jiangsu, China

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: ≤1.47h

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.