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John Crane Type 670 Metal Bellows Shaft Seal Pump Mechanical Seals

Name: John Crane Type 670 Metal Bellows Shaft Seal Pump Mechanical Seals
Brand: Hangzhou Bestseal International Trade Co., Ltd.
SKU: 1960407805

Zhejiang, ChinaHangzhou Bestseal International Trade Co., Ltd.

US$1.00

1 Piece

Product profile

Customization

Available

Structure

Single End

Pressure

High Pressure Mechanical Seals

Model NO.

670

Speed

High-Speed Mechanical Seal

Temperature

High Temperature Mechanical Seal

Performance

Corrosion

Standard

Standard, Nonstandard

Type

HU1

Balance

Balanced

Face/Primary Ring

Carbon

Retainer/Disc/Drive Band/ Spring Holder

18-8 Stainless Steel

Bellows

Buna-N

Springs

18-8 Stainless Steel

Transport Package

as Requirement

Specification

Follow the instructions

Trademark

Origin

China

HS Code

8484200090

Production Capacity

500000PCS/Month

Key features

High Corrosion Resistance: All-Alloy C-276 metal bellows seal designed for highly corrosive fluids and aggressive environments.

Self-Cleaning Design: Rotating bellows throw off suspended particles, eliminating need for external flushing or filters.

Superior Bellows Design: Features nesting ripple plate shape with three-sweep radius to prevent metal stress beyond endurance limit.

High Pressure Capability: Supports pressure limits from vacuum up to 360 psi(g) or 25 bar(g).

High Speed Performance: Rated for speeds up to 5000 fpm or 25 m/s in rotating equipment applications.

Flexible Arrangement Options: Available in single or dual cartridge arrangements, shaft-mounted or with buffer/barrier fluids.

Company profile

Hangzhou Bestseal International Trade Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2010-07-02Nearest Port: Shanghai, Ningbo, ShenzhenAverage Response Time: ≤7.02hTerms 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.