What is the lead time for production?

Peak season lead time is 1-3 months, while off-season is within 15 workdays.

Mechanical Seal 551 / M3 Pump Seal Good Quality

Name: Mechanical Seal 551 / M3 Pump Seal Good Quality
Brand: Shanghai Richmount Electromechanical Equipment Co.,Ltd.
SKU: 809719605

Shanghai, ChinaShanghai Richmount Electromechanical Equipment Co.,Ltd.

US$0.10-30.00

2 Pieces

Product profile

Customization

Available

Structure

Single End

Pressure

Medium Pressure Mechanical Seals

Model NO.

model 551

Speed

High-Speed Mechanical Seal

Temperature

High Temperature Mechanical Seal

Performance

Corrosion

Standard

Type

551

Balance

Balanced

Model Size

551A M3 551b 551c

Size

Full Sizes

Materaisl

SUS, Sic, Tc, Ca, etc

Rubber

Vtion NBR etc

Transport Package

by Sea or by Air Box Package

Specification

6mm-120mm

Trademark

JNS

Origin

China

HS Code

84842000

Production Capacity

500000PCS

Key features

High-Quality Construction: John Crane style mechanical seal ensuring durability and performance.

Flexible Material Options: Optional materials include SIC/SIC, TCTC, and SIC/Carbon combinations.

Full Size Customization: Available in full sizes including 551A, 551B, 551C, and 551D models.

OEM & ODM Service: Supports full customization from samples, designs, and minor adjustments.

High-Speed Performance: Designed for high-speed applications with a speed limit of 5 m/s.

Corrosion Resistance: Engineered to withstand corrosive conditions for extended lifespan.

Balanced Design: Balanced mechanical seal structure for stable medium-pressure operation.

Company profile

Shanghai Richmount Electromechanical Equipment Co.,Ltd.

Shanghai, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 23 YearsNearest Port: SHANGHAI, NINGBOAverage Response Time: ≤7.71h

AI-Powered supplier vetting

SummaryThe supplier is a China-based machinery manufacturer in Wenzhou with more than 30 years of stated professional experience, nine production lines, 50 R&D engineers by total experience, and documented manufacturing and quality-control capabilities. It reports ISO 9001, ANSI/ESD, and QC 080000 certifications, 100% finished-product inspection, raw-material traceability, and written inspection procedures. The supplier supports customization from samples, designs, and full specifications, and states that it provides OEM services for well-known brands. Export activity is substantial, with 71%–90% of sales from exports, but overseas support infrastructure is limited: no overseas warehouses, showrooms, agents, branches, or offline trade-show participation are reported. Innovation is constrained by the stated lack of SDK availability. Financial credibility cannot be determined because the provided financial fields contain years rather than financial results, while sustainability documentation and quality assurance...

Supplier typeThe supplier presents itself as a factory-based machinery manufacturer in Wenzhou, China, with manufacturing equipment, nine production lines, in-stock capability, and more than 30 years of stated professional experience. It also exports directly and through agents, with 71%–90% of total sales reported as exports.

CertificationsThe supplier lists ANSI/ESD, ISO 9001, and QC 080000 certifications and describes a strict quality-control system. However, the quality-assurance field explicitly states that no quality assurance is available, so the certification information does not establish complete quality-assurance performance.

Production capacityProduction capability is supported by nine production lines, listed machinery including automatic production equipment and high-speed presses, in-stock capability, valid manufacturing contracts with associated subcontractors, and 100% finished-product inspection. The supplier also has 20 quality assurance and quality control inspectors in one record and 50 quality-control staff in another, indicating substantial stated quality resources despite the discrepancy.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, and full customization. Its company descriptions also state that it can design and produce machinery according to customer requirements, directly supporting broad customization capability.