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Is the seal unbalanced or balanced?

This specific model is an unbalanced mechanical seal.

Mechanical Seal Tsdc-A04 Dual Cartridge Seal

Name: Mechanical Seal Tsdc-A04 Dual Cartridge Seal
Brand: Shanghai Trisun Parts Manufacture Co., Ltd.
SKU: 724991442

Shanghai, ChinaShanghai Trisun Parts Manufacture Co., Ltd.

US$1.00-1.50

1 Piece

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Structure

Single End

Pressure

≤2.1MPa

Model NO.

TSDC-A04

Speed

≤25m/S

Temperature

-40℃~204℃

Standard

Balance

Unbalanced

Rotary Ring

Sic/Carbon/Tc

Stationary Ring

Sic/Tc

Secondary Seal

Viton/EPDM/Kalrez

Other Parts

C-276/Duplex/316

Transport Package

Trisun Standard or Customised

Specification

All sizes

Trademark

Trisun, Nuetral or customised

Origin

Made in China

HS Code

8484200090

Production Capacity

50000PCS/Year

Key features

Dual Cartridge Design: Single end structure with integrated cartridge for easy installation and maintenance.

Wide Operating Range: Handles pressure up to 2.1MPa, speed up to 25m/s, and temperature from -40 to 204 degrees Celsius.

Customizable Materials: Rotary rings available in SiC, Carbon, or TC; Stationary rings in SiC or TC.

Multiple Size Options: Comprehensive dimension table available for d1 ranging from 24mm to 120mm and corresponding inches.

High-Grade Materials: Other parts constructed from C-276, Duplex, or 316 stainless steel for corrosion resistance.

OEM and ODM Services: Full customization support available with 3 dedicated R&D engineers.

Manufacturer Direct: Produced by a factory established in 2001 with over 20 years of export experience.

Company profile

Shanghai Trisun Parts Manufacture Co., Ltd.

Shanghai, China

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 1998-02-01 CertifiedNearest Port: Shanghai PortAverage Response Time: ≤24h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryShanghai Trisun Parts Manufacture Co., Ltd. is identified as a Chinese manufacturer established in 2001, focused on mechanical, pump, compressor, and automotive sealing products. The provided information indicates broad production coverage, more than 10 production lines, multiple production bases, and reported mechanical-seal output of approximately 9–10 million pieces. The supplier cites OEM or cooperation relationships with SANDE, DENSO China, ITT, Volkswagen, Bizer, Flowserve, and MTU. Quality-related evidence includes WRAS, FDA, and ISO 14001:2004 certificates, although supplier-management-system certification is listed as NIL. Production and customer-case evidence is relatively strong, while after-sales service, customization processes, and financial credibility cannot be fully assessed from the available non-financial information.

Supplier typeThe supplier is explicitly classified as a manufacturer and operates as a limited company in Shanghai, China. It was established in 2001, supporting an established manufacturing identity rather than a trading-only profile.

CertificationsThe supplier reports WRAS and FDA material-quality certificates and an ISO 14001:2004 environmental management certificate. However, supplier-management-system certification is explicitly listed as NIL, so the certification profile is positive but not comprehensive.

R&D capabilityThe supplier offers a broad range of seal and valve products, including dry gas seals, welded metal bellow seals, cartridge seals, and automotive applications. It reports three R&D engineers and more than 20 years of development, indicating some product-development capability, but no explicit evidence of patented technology or measurable innovation outcomes is provided.

Production capacityProduction capability is supported by more than 10 production lines, reported mechanical-seal output of approximately 9–10 million pieces, three production bases in Shanghai, Wenzhou, and Jiangsu, and a stated one-month off-peak lead time. The records contain differing workforce and workshop-area figures, so the exact current operating scale should be verified.

Client casesThe supplier reports appointed OEM or cooperation relationships involving SANDE, DENSO China, ITT, Volkswagen, Bizer, Flowserve, and MTU. A separate trade record identifies CARBONMASTER INDUSTRIAL SALES INC as an associated buyer, but it records only one transaction and does not independently validate the broader customer claims.