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Mechanical Seal John Crane 8b1 Multiple Spring Balanced Pump Seal
US$1.00
1 Piece
Product profile
Customization
AvailableStructure
Single EndPressure
High Pressure Mechanical SealsModel NO.
John Crane Type 8B1Speed
High-Speed Mechanical SealTemperature
Temperature Mechanical SealPerformance
TemperatureStandard
StandardType
HU1Balance
BalancedStationary Ring
Tc, Silicon CarbideRotary Ring
Carbon, Silicon Carbide, TcSecondary Seal
NBR, FKM, EPDM, Ffkm, AflasSpring and Metal Parts
SteelTransport Package
as RequirementSpecification
As RequirementTrademark
BEOrigin
ZhejiangHS Code
8484200090Production Capacity
1000000/MonthKey features
Multi-Spring Balanced Design: Features a multiple spring design for high pressure and high speed applications.
High Performance Limits: Supports pressure up to 35bar and speed up to 25m/s.
Diverse Material Options: Available with Resin Carbon, SIC, SSIC, Tungsten Carbide, and various elastomers.
Extensive Size Coverage: Shaft sizes range from 0.625 inches to 6 inches with detailed dimensions.
Manufacturer Direct Supply: Direct sales from a manufacturer based in Hangzhou, China since 2010.
Fast Delivery Options: 5-10 days for stock items, 15-20 days for custom orders based on quantity.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2010-07-02Nearest Port: Shanghai, Ningbo, ShenzhenAverage Response Time: ≤7.77hTerms of Payment: T/T, PayPal, Western Union, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF
AI-Powered supplier vetting
SummaryHangzhou Bestseal International Trade Co., Ltd. is a China-based limited company identified as both a trading company and manufacturer/factory, offering seals. It has export experience of 8 years, with 71%–90% of sales from exports, and holds self-operated import/export rights in addition to using export agents. The supplier supports extensive customization, ODM, and OEM services, including services based on samples or designs. However, it is not identified as a professional technical supplier, does not provide 3D software design or SDKs, and reported no new products in the past year. It has no in-stock capacity, overseas warehouse, overseas showroom, overseas agent or branch, or offline trade-show participation. Audit information identifies TUV Rheinland and an audit validity period from February 19, 2025 to February 18, 2026, but the evaluation result is recorded as 0, with no interpretation provided. Financial data is present for 2024, but the supplier’s financial credibility cannot be conclusively...
Supplier typeThe supplier is classified as both a trading company and manufacturer/factory, operates as a limited company, and offers seals. It is not part of a larger company group and has two employees, indicating a small standalone supplier structure.
After-Sales capabilityThe supplier reports no overseas warehouse, overseas showroom, overseas agents or branches, and offers overseas services in 0 countries. These stated limitations indicate weak international after-sales infrastructure.
R&D capabilityThe supplier is not a professional technical supplier, does not provide 3D software design or SDKs, and reported no new products during the past year. Although it offers ODM services, the explicit evidence shows limited documented innovation capability.
Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, minor customization, flexible customization, and full customization. It also provides ODM services and OEM services for popular brands, demonstrating broad customization and contract-manufacturing capability.
Product Q&A
Q:Are you a trading company or a manufacturer?
A:
We are a manufacturer based in Hangzhou, China, established in 2010.
Q:How do you guarantee product quality?
A:
We always conduct a pre-production sample before mass production and perform a final inspection before shipment.
Q:What is the delivery time for orders?
A:
Generally 5-10 days if goods are in stock, or 15-20 days if not in stock, depending on quantity.
Q:Do you provide samples and are they free?
A:
Yes, we offer samples for free, but the customer must pay the freight cost.
Q:What payment methods do you accept?
A:
We accept T/T, L/C, D/P, D/A, MoneyGram, PayPal, Western Union, and Escrow in currencies like USD, EUR, JPY, CAD, HKD, and CNY.
Send Inquiry
*To:
Hangzhou Bestseal International Trade Co., Ltd.
Hangzhou Bestseal International Trade Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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