What is the delivery time for standard products?

We have large stock, so our delivery is very fast. For example, if products are standarded, the delivery time is one week.

What is the maximum operating pressure?

The mechanical seal can handle pressure up to 1.6 MPa.

Multiple Spring O-Ring Mechanical Seal John Crane 8B1 Mechanical Seals

Name: Multiple Spring O-Ring Mechanical Seal John Crane 8B1 Mechanical Seals
Brand: Ningbo Tiansun International Trade Co., Ltd.
SKU: 2033980225

Zhejiang, ChinaNingbo Tiansun International Trade Co., Ltd.

US$30.00-50.00

5 Pieces

Sample price:US$30.00/piece.Request sample

Product profile

Customization

Available

Pressure

≤ 1.6 MPa

Type

Customization

Model NO.

T-8B1

Mode of Payment

T/T, Western Union, L/C etc

Material Selection

According Customer's Requests

Replacement to

Burgmanne M32N / M377N

Mini quantity

5 Pcs

Transport Package

International Express, by Air, by Sea etc

Specification

Diameter 0.625"-4.000"

Trademark

Origin

China

HS Code

8484200090

Production Capacity

1000000PCS/Year

Key features

Customizable Material Selection: Materials selected according to customer requests for specific applications.

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

Free Sample Availability: Free samples provided; customer covers international freight costs.

High Pressure Tolerance: Designed to withstand pressure up to 1.6 MPa for industrial use.

Versatile Chemical Resistance: Suitable for petroleum, chemical solvents, and weak/medium acids.

Multiple Seal Material Options: Stationary and rotary rings available in Ceramic, Sic, TC, or Carbon.

Direct Factory Supply: Manufactured directly by the factory ensuring quality and competitive pricing.

Company profile

Ningbo Tiansun International Trade Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2009-07-01Nearest Port: Ningbo PortAverage Response Time: ≤6.31hTerms 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).