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Mechanical Seal Replace M7n, M74, Mtu Dr1-D
US$0.50-1.00
1 Piece
Sample price:US$1.00/piece.Request sample
Product profile
Customization
AvailableStructure
Single EndPressure
≤1.6MPaModel NO.
TS M7N TS M74Speed
≤20m/STemperature
-30℃~+200℃Standard
StandardRotary Ring
Sic/Tc/CarbonStationary Ring
Carbon/Sic/TcSecondary Seai
Viton/Encapsulated RingMetal Parts
SUS304/SUS316Spring
17-7pH/SUS304/SUS316Shipment Terms
Fob Shanghai/NingboTransport Package
Trisun Standard or CustomisedSpecification
All sizesTrademark
Trisun, Nuetral, customisedOrigin
Made in ChinaHS Code
8484200090Production Capacity
10, 000, 000 PCS/YearKey features
Wide Compatibility: Directly replaces M7N and MTU DR1-D models for industrial pumps.
Customizable Materials: Rotary/Stationary rings and springs can be customized to client requirements.
High Pressure Resistance: Supports operating pressure up to 1.6MPa for demanding applications.
High Speed Capability: Designed for high-speed operations up to 20m/s.
OEM/ODM Support: Factory supports custom designs and OEM services for specific needs.
CE Certified Quality: Products meet CE certification standards for safety and reliability.
Company profile

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 1998-02-01 CertifiedNearest Port: Shanghai PortAverage Response Time: ≤18h 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.
Product Q&A
Q:Which mechanical seal models does this product replace?
A:
This mechanical seal model M7N is designed to replace M7N and MTU DR1-D models.
Q:Can the material composition be customized?
A:
Yes, we can make changes to materials like rotary rings, stationary rings, and springs according to customer requirements or design a new type.
Q:What materials are used for the rotary and stationary rings?
A:
Rotary rings can be SiC, TC, or Carbon. Stationary rings can be Carbon, SiC, or TC.
Q:Does the manufacturer offer OEM or ODM services?
A:
Yes, the factory offers both OEM and ODM services, including total design for new types of mechanical seals.
Q:What is the lead time for production?
A:
The average lead time is one month during the off-season and 1-3 months during the peak season.
Send Inquiry
*To:
Shanghai Trisun Parts Manufacture Co., Ltd.
Shanghai Trisun Parts Manufacture Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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