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Metal Bellows Mechanical Seal Replacement for John Crane Type 680
US$1.00-100.00
1 Piece
Product profile
Customization
AvailableStructure
Single EndPressure
Medium Pressure Mechanical SealsModel NO.
M16/JC680Speed
General Speed Mechanical SealTemperature
Temperature Mechanical SealPerformance
WearStandard
StandardFace
Carbon, Sic, TcSeat
Ceramic, Sic, TcO-Ring
NBR,EPDM,FKM etcSpring
SS316, Hastelloy C, Am350Metal Parts
SS316, Hastelloy CTransport Package
Individual PackageSpecification
OEMTrademark
SEALCONOrigin
ChinaKey features
Wide Customization Options: Customizable face, seat, O-ring, spring, and metal parts materials based on pump model, drawing, or specific requirements.
OEM and ODM Services: Professional engineering and production teams available to customize products and provide OEM services.
Fast Delivery for Stock: Stock items ship immediately after payment; non-stock items require 20 days for mass production.
Sample Cost Refund: Sample costs are refundable after placing a formal order, though free samples are not usually provided.
Flexible Payment Terms: Accepts T/T, PayPal, Western Union, LC, D/P, and small-amount payments for qualified goods.
100% Quality Inspection: Finished products undergo 100% visual and functional inspection by dedicated QA/QC inspectors.
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: 14 years CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤5.94h
AI-Powered supplier vetting
SummaryThe supplier produces mechanical seals and related fluid, electromechanical, transmission, rubber, and ceramic products, while also operating import and export business. It reports compliance with DIN24960, ISO3069, EN12756, and API682 standards, but no supplier-management-system certification is stated. The supplier offers broad customization, ODM, and OEM services, and reported new products during the past year. Production evidence includes one production line, machining equipment, 100% finished-product inspection, and stated inventory capability. However, raw-material traceability is absent, no valid manufacturing contract with affiliated subcontractors is recorded, and service-management procedures, complaint-handling procedures, and corrective/preventive-action records are unavailable. Overseas service infrastructure is limited, with no agents, branches, warehouse, or showroom reported. Customer reach is indicated by markets in Europe, the USA, Southeast Asia, and the Middle East, plus participation...
Supplier typeThe supplier’s stated business scope covers production of mechanical seals and sales of related fluid, electromechanical, transmission, rubber, and ceramic products, together with import and export operations. This supports classification as a manufacturer and trading/export supplier rather than a pure distributor.
After-Sales capabilityThe supplier reports no written procedures or records for customer complaints, corrective and preventive actions, or effective service-capability assessment. It also has no overseas agents or branches, overseas warehouse, or showroom, although it offers inventory capability and accepts multiple quotation and payment terms.
R&D capabilityThe supplier reports new products during the past year, provides ODM services, and has two R&D engineers with stated total R&D experience. It also reports OEM capability for popular brands, but no SDK is available; overall, the evidence supports active product development and design capability.
Production capacityProduction evidence includes one production line, listed sawing, CNC turning, wire-cutting, milling, and grinding equipment, 100% finished-product inspection, inventory capability, and a stated peak-season fulfillment time of one month. Countervailing limitations include no valid manufacturing contract with affiliated subcontractors and no raw-material traceability.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also provides ODM services, indicating broad support for customer-specific product development.
Product Q&A
Q:Are you a trading company or factory?
A:
We have own factory.
Q:Where is your factory located?
A:
Our factory is located in Jiande, Hangzhou.
Q:How long is your delivery?
A:
For stock items,we can ship them immediately after receive payment. For nonstock items, we will need 20 days for mass production.
Q:Do you provide free samples?
A:
Usually we do not provide free samples. But the sample cost can be refund after you placed order.
Q:What transportation way can be chose?
A:
The products can be delivered by air, ship or Express due to the small weight and size.
Send Inquiry
*To:
Hangzhou Sealcon Fluid Machinery Co., Ltd.
Hangzhou Sealcon Fluid Machinery Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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