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Cartridge Mechanical Seal for Flowserve Mark III Pump, API 682 Plan 21

Name: Cartridge Mechanical Seal for Flowserve Mark III Pump, API 682 Plan 21
Brand: FBU Sealing Technology (Suzhou) CO.,Ltd
SKU: 2321714615

Jiangsu, ChinaFBU Sealing Technology (Suzhou) CO.,Ltd

US$380.00

1-2 Pieces

US$340.00

3-10 Pieces

US$300.00

11+ Pieces

Product profile

Customization

Available

Structure

Cartridge

Pressure

Medium Pressure Mechanical Seals

Model NO.

Flowserve Mark III

Speed

General Speed Mechanical Seal

Temperature

High Temperature Mechanical Seal

Performance

Corrosion

Standard

Type

Mechanical Seal

Balance

Balanced

Applicable Pump Model

Flowserve Mark III

Flush Plan

Plan 21

Material Combination

Carbon/Sic, Sic/Sic

Application

Chemical Process Pump, Petroleum, Refinery

Transport Package

Carton Box

Specification

1.375"-2.625"

Trademark

FBU

Origin

China

HS Code

8484200090

Production Capacity

5000pieces/Year

Key features

API 682 Compliance: Engineered to meet API 682 standards for duty chemical industry service.

Drop-in Replacement: Direct replacement for Goulds 3196 pump seals with pre-assembled cartridge design.

Flexible Material Options: SiC/SiC, SiC/Carbon, and 316L/Hastelloy C springs for corrosive and high-temp media.

Wide Flush Plan Options: Supports Plan 11, 12, 52, 53, and 54 to meet diverse working conditions.

High Precision Manufacturing: Utilizes Haas 4/5-axis centers and Zeiss CMMs with <0.01mm machining tolerance.

Full Customization Available: Customizable based on working conditions, drawings, samples, and designs.

ISO 9001 & API Q1 Certified: Manufactured under rigorous quality controls with end-to-end traceability.

Fast Delivery for Stock: Standard models available for delivery within 2-3 days if in stock.

Company profile

High Repeat Buyers ChoiceProduction Process VisualizationManagement CertificationStandardized quality control

FBU Sealing Technology (Suzhou) CO.,Ltd

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 3 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤0.32h

AI-Powered supplier vetting

SummaryThe supplier demonstrates professional technical and customization capabilities, including 3D software design, sample- and design-based customization, ODM, and OEM services. Its stated production environment includes high-end CNC equipment, network-connected machines, CAM control, and multiple machining, welding, testing, and measurement facilities. Quality and service processes are supported by documented procedures for supplier service assessment, corrective and preventive actions, complaint handling, quality assurance, and material traceability. The supplier offers overseas equipment installation, debugging, repair, and maintenance in Malaysia. Innovation evidence is positive because new products were developed during the past year, although no SDK is available. Financial credibility cannot be assessed because the supplied financial figures are excluded from consideration and no non-financial financial assessment is provided. Certification holdings and identifiable customer cases are not sufficiently...

Supplier typeThe supplier is identified as a professional technical supplier, while its business scope covers mechanical equipment, pumps, vacuum equipment, valves, plugs, rubber products, and special ceramic products. However, the company type is also stated as a trading company, so its exact manufacturing-versus-trading role is mixed rather than fully clear.

After-Sales capabilityThe supplier states that it provides professional after-sales service and has documented procedures and records for service-capability assessment, corrective and preventive actions, and customer complaints. It also offers overseas debugging, repair, maintenance, and equipment installation in Malaysia, supporting a positive assessment of after-sales capability.

R&D capabilityThe supplier reports R&D capability, new product development during the past year, ODM services, and OEM services for well-known brands. It also describes an intelligent manufacturing setup using network-connected CNC equipment, CAM control, and real-time equipment data, although no SDK is available.

Production capacityProduction-related evidence includes CNC turning, vertical boring and milling, sawing, welding, lapping, hardness testing, flatness measurement, digital depth measurement, and three-coordinate measurement. The supplier also describes a high-end CNC-based intelligent factory, but its company type is stated as a trading company, so the scale and ownership of production capacity are not fully established.

Customization capabilityThe supplier explicitly supports customization from samples, full customization, customization from designs, minor customization, and flexible customization. It also offers 3D software design, ODM, and OEM services, providing direct evidence of broad customization capability.

Product Q&A

Q:Are you a factory or a trade company?

We are a factory with more than 18 years industrial experience.

Q:Where is your company located?

We are located in Suzhou, China.

Q:Do you have a quality management system?

We have been audited by LRQA ISO9001:2015 certification and all products are manufactured in accordance with international standards ISO, ANSI, DIN and API.

Q:Which payment terms can you accept?

T/T, L/C, D/P, Western Union, PayPal.

Q:How long is the normal delivery time?

Within 7-20days. If have stock, it about 2-3days.