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551 551A Water Pump Seal Spring Elastomer Bellows Mechanical Seal
US$1.00
1 Piece
Product profile
Customization
AvailableStructure
Single EndPressure
High Pressure Mechanical SealsModel NO.
551 551ASpeed
High-Speed Mechanical SealTemperature
Temperature Mechanical SealPerformance
TemperatureStandard
StandardType
HU1Balance
BalancedRotary Ring Face
SS316L/Sic/TcStationary Ring Face
Carbon/Sic/TcElastomers
NBR/Viton/EPDM/PTFE/FfkmSprings
SS304/SS316Metal Parts
410s/SS304/SS316/SS316LTransport Package
as RequirementSpecification
As RequirementTrademark
BEOrigin
ZhejiangHS Code
8484200090Production Capacity
1000000/MonthKey features
Wide Material Options: Rotary ring face available in SS316L, SiC, TC; Springs in SS304/SS316.
Broad Temperature Range: Operates effectively from -20 to 180 degrees Celsius.
High Compatibility: Suitable for water, oil, weak acid, alkali, and organic solvents.
Stable Performance: Features simple structure with great spring compensation.
Customizable Materials: Material changes possible to meet specific operating parameters.
International Standards: Complies with DIN24960, ISO3069, and GB6556 standards.
Versatile Application: Used in water pumps, vacuum pumps, and heat-exchange oil pumps.
Competitive Alternative: Direct alternative to John Crane Type 551 and EagleBrgmann BT-RN.
Company profile
Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2010-07-02Nearest Port: Shanghai, Ningbo, ShenzhenAverage Response Time: ≤8.19hTerms 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 manufacturer?
A:
We are a manufacturer based in Hangzhou, China, established in 2010.
Q:How do you guarantee quality?
A:
We always produce a pre-production sample before mass production and conduct a final inspection before shipment.
Q:What is your delivery time?
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?
A:
Yes, we offer samples free of charge, but you need to pay the freight cost.
Q:What services can you provide?
A:
We accept delivery terms like FOB, CFR, CIF, EXW, and payment types including T/T, L/C, PayPal, and Western Union.
Send Inquiry
*To:Hangzhou Bestseal International Trade Co., Ltd.
Hangzhou Bestseal International Trade Co., Ltd.*Content:
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