How quickly will the company respond to inquiries?

We reply to inquiries within 24 working hours, and online inquiries are answered within 12 hours.

What is the structure and pressure rating of the 502 seal?

The 502 seal features a double-end structure, medium pressure rating, and high-speed performance.

Mechanical Seal 502 Type for Water / Oil Pump

Name: Mechanical Seal 502 Type for Water / Oil Pump
Brand: Wenzhou Sanlo International Trade Co., Ltd.
SKU: 2030060785

Zhejiang, ChinaWenzhou Sanlo International Trade Co., Ltd.

US$1.00-10.00

1 Piece

Product profile

Structure

Double-End

Pressure

Medium Pressure Mechanical Seals

Speed

High-Speed Mechanical Seal

Model NO.

Mechanical Seal

Temperature

Temperature Mechanical Seal

Performance

Temperature

Standard

Type

502

Balance

Balanced

Mechanical Seal

502

Application

Pump

Delivery

5-7 Days

Sample

Can Provide

Transport Package

Box

Specification

502

Trademark

Sanlo

Origin

China

HS Code

8484200090

Production Capacity

10000

Key features

12+ Years Manufacturing Experience: Over 12 years of specialized production experience in mechanical seals.

Wide Application Compatibility: Suitable for centrifugal, water, oil, waste water, and swimming pumps.

Flexible Customization Options: Customized size and material options including CA, CE, SIC, TC, NBR, EPDM.

Multiple Material Choices: Available in CA, CE, SIC, TC, NBR, EPDM, V, S.S, SUS304, SUS316.

Fast Stock Delivery: Assembly within 3-5 days for normal types with available stock parts.

ISO9001 Certified Quality: Certified by ISO9001, CQC, SGS, and CNAS for quality assurance.

Professional Technical Support: Experienced staff provide professional answers in fluent English.

Competitive Pricing: Offering good quality mechanical seals with competitive prices.

Company profile

Wenzhou Sanlo International Trade Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: ≤9.14h

AI-Powered supplier vetting

SummaryWenzhou SanLo is a China-based limited trading company with manufacturer/factory classification and an identified production base in Zhejiang. Its business covers valves, pipe fittings, mechanical seals, and related industrial products, with stated export activity since 2014 and 90% of sales from exports. ISO 9000 and ISO 9001 certifications are reported, alongside three production lines, 6–10 quality-control staff, 6–10 years of R&D-engineer experience, and stated pump-seal output of 2,500,000 sets. The supplier claims product development, testing, logistics, quality-focused service, and cooperation with domestic manufacturers. However, evidence for after-sales procedures, customization execution, and a substantial customer track record is limited. One trade record identifies a buyer and one transaction, but this is insufficient to establish broad customer experience.

Supplier typeThe supplier is described as both a trading company and manufacturer/factory, legally organized as a limited company. It has headquarters in Wenzhou, Zhejiang, and reports its own production base while also cooperating with domestic manufacturers.

CertificationsThe supplier reports holding ISO 9000 and ISO 9001 management-system certifications. These are explicit certifications relevant to quality-management processes.

R&D capabilityThe company states that it integrates research, development, and testing, and reports 6–10 years of total R&D-engineer experience. These support the existence of development capability, although no specific innovations, patents, or completed development projects are identified.

Production capacityThe supplier reports its own production base, three production lines, 6–10 quality-control staff, and pump-seal output of 2,500,000 sets. It also reports annual productivity for pump seals, providing explicit evidence of manufacturing capacity in this product area.

Product Q&A

Q:What is the delivery time for mechanical seals?

Standard delivery is 7-20 days depending on quantity. If stock is available, assembly can be completed within 3-5 days.

Q:What materials are available for the mechanical seal?

Materials include CA, CE, SIC, TC, NBR, EPDM, V, S.S, SUS304, and SUS316.

Q:What types of pumps can this seal be used for?

It is suitable for normal, multistage, and monobloc centrifugal pumps, as well as water, waste water, swimming, machine tool, oil, and flygt plug pumps.

Q:Does the company offer OEM and ODM services?

Yes, customized design is available, and both OEM and ODM services are welcome.

Q:What certifications does the product have?

The product is certified with ISO9001, CQC, SGS, and CNAS.