Mechanical Seal John Crane 680 Metal Bellow John Crane Type 680 Replacement

Name: Mechanical Seal John Crane 680 Metal Bellow John Crane Type 680 Replacement
Brand: Ningbo Tiansun International Trade Co., Ltd.
SKU: 2229890995

Zhejiang, ChinaNingbo Tiansun International Trade Co., Ltd.

US$100.00

5 Pieces

Sample price:US$100.00/piece.Request sample

Product profile

Customization

Available

Structure

Single End

Pressure

≤2.0 MPa

Model NO.

687

Speed

Ultra-High-Speed Mechanical Seal

Temperature

High Temperature Mechanical Seal

Performance

Corrosion

Standard

Type

Customization

Balance

Balanced

Transport Mode

International Express, by Air, by Sea, by Train

Replacement to

egleBergerman Seal

Payment Method

T/T, Western Union, L/C etc

Mini Quantity

5 pcs

Transport Package

Carton

Specification

Diameter 24mm-100mm 1.000inch-4.000inch

Trademark

Customer Provide

Origin

China

HS Code

8484200090

Production Capacity

1000000PCS/Year

Key features

Wide Elastomer Options: Multiple springs available in various elastomers for handling industrial fluids.

Easy On-Site Repair: Unified construction design with snap ring allows easy on-site repair.

Fast Delivery for Standard Models: Large stock ensures delivery within one week for standard products.

Free Sample Availability: Free samples provided, customer pays only for international freight.

High Temperature Resistance: Operates effectively in temperatures ranging from -20 to +180 degrees Celsius.

Corrosion Performance: Suitable for clean water, sewage, oil, and moderately corrosive fluids.

Balanced Design: Balanced structure designed for ultra-high-speed mechanical seal applications.

Comprehensive Material Selection: Options include Ceramic, Silicon Carbide, Carbon, and various secondary seals.

Company profile

Ningbo Tiansun International Trade Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2009-07-01Nearest Port: Ningbo PortAverage Response Time: ≤5.84hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA

AI-Powered supplier vetting

SummaryNingbo Tiansun International Trade Co., Ltd. is identified as a China-based manufacturer/factory in Zhejiang with stated experience serving chemical, petrochemical, agrochemical, fertilizer, pharmaceutical, and related industries. The supplier reports more than 10 production lines, 11–20 quality-control staff, 6–10 years of R&D engineer experience, and significant stated output for mechanical and pump seals. It has exported since 2009 and reports that 71%–90% of sales are exports. Evidence also indicates free samples, customer order filing, stocked frequently ordered products, and third-party mechanical-seal repair and maintenance services. Management-system certifications are listed, including ISO 9001, ISO 14001, QHSE, and BSCI, but the provided information does not establish certificate validity, scope, or issuing bodies. Customer-specific cases and independently verified financial strength are not sufficiently documented.

Supplier typeThe supplier is explicitly classified as a Manufacturer/Factory and identifies mechanical seals, pump seals, seal rings, and OEM mechanical seals among its products. Its stated industry coverage includes chemical, petrochemical, agrochemical, fertilizer, pharmaceutical, and other industrial sectors, while export activity has reportedly continued since 2009.

After-Sales capabilityThe supplier states that it undertakes third-party mechanical-seal repair and maintenance contracts and keeps stock of frequently ordered products for expedited orders. It also provides free samples before orders and files customer orders for future reference, supporting service responsiveness, although no service coverage, response-time commitment, or repair performance data is provided.

Production capacityThe supplier reports more than 10 production lines, 11–20 quality-control staff, and stated annual output of 100,000 boxes of mechanical and pump seals plus 100,000,000 pieces of SIC, TC, and carbon rings. These figures directly support substantial production and quality-control capacity, although utilization, equipment details, and independent verification are not provided.

Customization capabilityThe supplier offers OEM mechanical seals, provides samples before ordering when requested, records customer requirements and preferences, and undertakes third-party repair and maintenance contracts. These points indicate the ability to address customer-specific requirements, but the slices do not define customization limits, engineering procedures, tooling capability, or minimum order conditions.

Product Q&A

Q:Are you a factory or a trade company?

We are a factory and have our top sales for the trade service.

Q:What is the minimum order quantity for each order?

For products of regular models, the minimum order quantity is at least five. We welcome you to test the quality of our products and our services through small orders and look forward to long-term cooperation with you next.

Q:What is your company's service tenet?

Quality first, service upmost. We promises that if there is any problem with the quality of the product or if the product is damaged during the transportation, our company will be responsible for compensation, regardless of the ordder turnover value.

Q:What are the prices of your products?

For each model, the unit price is listed on the website, but what is indicated on the website is only the average market price. For specific models, you can contact us for price consultation and negotiation.

Q:Can I try to get a SAMPLE before the order?

Sure. Our company provides you with samples for free, but you will have to pay for the international delivery (freight collect payment).