What is the minimum order quantity?

The minimum order quantity is 1 Set.

Replace John Crane Mechanical Seal Type 2100s 2100K 2100n for Sterling Pump

Name: Replace John Crane Mechanical Seal Type 2100s 2100K 2100n for Sterling Pump
Brand: Xuzhou Keman Precision Technology Co., Ltd.
SKU: 1964396971

Jiangsu, ChinaXuzhou Keman Precision Technology Co., Ltd.

US$1.00

10-499 Sets

US$0.50

500+ Sets

Sample price:US$1.00/set.Request sample

Product profile

Customization

Available

Structure

Single End

Pressure

≤ 1.2MPa

Model NO.

km2100

Speed

≤ 15m/S

Temperature

≤ -20°c-150°c

Performance

High Pressure

Standard

Type

Km301

Balance

Balanced

Material

Carbon, Sic, Tc

Transfer Method

by Sea or Air

Spring&Other Parts

SUS304 316

Rotary Ring

Ceramic, Sic, Tc

Stationary Ring

Ceramic, Sic, Tc

Transport Package

Carton Box

Specification

Standard size

Trademark

KEMAN

Origin

China

HS Code

8484200090

Production Capacity

50000pieces/Year

Key features

Customizable Materials: Stationary and rotary rings available in Ceramic, Sic, Tc, and Carbon options.

OEM Service Available: We provide OEM services to meet specific customer requirements and designs.

Fast Delivery for Stock: In-stock products can be shipped out within 48 hours after payment confirmation.

Versatile Media Compatibility: Suitable for water, oil, weak acids, weak bases, and general corrosive chemical media.

Balanced Design: Balanced structure ensures stability and performance under high-speed rotation up to 15m/s.

Flexible Payment Terms: Accepts T/T, Western Union, PayPal, and LC. 30% advance for custom orders.

Company profile

Importers and ExportersIn-stock CapacityQuality AssuranceRaw-Materials Traceability

Xuzhou Keman Precision Technology 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: 1 Year CertifiedNearest Port: Shanghai PortAverage Response Time: ≤9.77h

AI-Powered supplier vetting

SummaryThe supplier is explicitly identified as a professional technical supplier offering 3D software design and broad customization services. Its business scope covers metal seals, sealing fillers, graphite and carbon products, hardware, machine parts, and related sales and processing activities. It reports one production line, 11–20 quality-control staff, documented inspection and service procedures, in-stock capability, and lead times within 15 workdays in both peak and off-peak periods. However, the evidence also shows no available SDK, only one year of stated R&D engineer experience, no valid manufacturing-capacity contract with related subcontractors, no overseas warehouse or showroom, and gaps in production quantity reconciliation and outsourcing procedures. No certification, customer case, or direct financial performance evidence is provided.

Supplier typeThe supplier is explicitly described as a professional technical supplier. Its stated scope includes technical exchange, technology transfer and promotion, manufacturing and sales of metal seals, sealing fillers, graphite and carbon products, hardware, machine parts, and related equipment components.

After-Sales capabilityThe supplier has written procedures and records for service assessment, corrective and preventive actions, and customer complaint handling, indicating a documented service-management process. However, it lacks overseas warehouse and showroom capabilities, which limits certain overseas support options.

R&D capabilityThe supplier provides 3D software design services and supports customization from samples, designs, full customization, minor customization, and flexible customization. However, it has no available SDK and reports total R&D engineer experience of only one year, so the evidence supports design-service capability but not a strong overall innovation advantage.

Production capacityThe supplier operates one production line, has documented finished-product inspection instructions, 11–20 quality-control staff, in-stock capability, and reported lead times within 15 workdays in both peak and off-peak seasons. Capacity-control weaknesses are present: there is no valid manufacturing-capacity contract with related subcontractors, no ongoing batch quantity reconciliation, and no outsourcing SOP.

Customization capabilityBoth cited slices explicitly list customization from samples, customization from designs, full customization, minor customization, and flexible customization. The supplier also provides 3D software design services, directly supporting customized product development.

Product Q&A

Q:Can you provide free samples?

We do not provide free samples for the first time, but we can deduct the sample amount from future bulk orders.

Q:What is your delivery time?

For products that are in stock, we can ship them out within 48 hours. For products that are out of stock or in large quantities, we need to communicate separately.

Q:What services can you provide?

We provide OEM service.

Q:What are your payment terms?

For most of the inventory products, we need to pay 100% in full; For products that require large-scale production or customization, we require a 30% advance payment. After confirming the accuracy of the product, the remaining 70% will be paid in full before shipment.

Q:What materials are available for the rings?

Stationary and rotary rings are available in Ceramic, Sic, Tc, and Carbon options.