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Rubber Bellow Pump John Crane Type 21 Mechanical Seal for Water Pump

Name: Rubber Bellow Pump John Crane Type 21 Mechanical Seal for Water Pump
Brand: Hangzhou Sealcon Fluid Machinery Co., Ltd.
SKU: 2022204735

Zhejiang, ChinaHangzhou Sealcon Fluid Machinery Co., Ltd.

US$1.00-200.00

1 Piece

Product profile

Customization

Available

Structure

Single End

Pressure

Medium Pressure Mechanical Seals

Model NO.

R18/John Crane 21

Speed

General Speed Mechanical Seal

Temperature

Temperature Mechanical Seal

Performance

Wear

Standard

Balance

Unbalanced

Seat

Ceramic,Sic,Tc

Face

Carbon,Sic,Tc

O-Ring

NBR,EPDM,Ffkm,Alfas,FEP,Kalres,

Spring

SS316,SS304

Transport Package

Individual Package

Specification

OEM

Trademark

SEALCON

Origin

China

Key features

Equivalent to John Crane Type 21: Sealcon R18 is equivalent to John Crane type 21 mechanical seal for water pumps.

Wide Customization Options: Full customization available including seat, face, O-ring, and spring materials based on drawings.

High Pressure Capability: Designed to withstand pressure up to 12 bar for medium pressure applications.

Fast Delivery Time: Peak and off-peak season lead time is within 15 workdays or one month.

OEM and ODM Services: OEM and ODM services are welcomed with flexible customization options.

100% Quality Inspection: All finished products undergo 100% visual and function inspection before packing.

Company profile

Hangzhou Sealcon Fluid Machinery Co., Ltd.

Zhejiang, 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: 14 years CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤6.50h

AI-Powered supplier vetting

SummaryThe supplier produces mechanical seals and related fluid, electromechanical, transmission, rubber, and ceramic products, while also operating import and export business. It reports compliance with DIN24960, ISO3069, EN12756, and API682 standards, but no supplier-management-system certification is stated. The supplier offers broad customization, ODM, and OEM services, and reported new products during the past year. Production evidence includes one production line, machining equipment, 100% finished-product inspection, and stated inventory capability. However, raw-material traceability is absent, no valid manufacturing contract with affiliated subcontractors is recorded, and service-management procedures, complaint-handling procedures, and corrective/preventive-action records are unavailable. Overseas service infrastructure is limited, with no agents, branches, warehouse, or showroom reported. Customer reach is indicated by markets in Europe, the USA, Southeast Asia, and the Middle East, plus participation...

Supplier typeThe supplier’s stated business scope covers production of mechanical seals and sales of related fluid, electromechanical, transmission, rubber, and ceramic products, together with import and export operations. This supports classification as a manufacturer and trading/export supplier rather than a pure distributor.

After-Sales capabilityThe supplier reports no written procedures or records for customer complaints, corrective and preventive actions, or effective service-capability assessment. It also has no overseas agents or branches, overseas warehouse, or showroom, although it offers inventory capability and accepts multiple quotation and payment terms.

R&D capabilityThe supplier reports new products during the past year, provides ODM services, and has two R&D engineers with stated total R&D experience. It also reports OEM capability for popular brands, but no SDK is available; overall, the evidence supports active product development and design capability.

Production capacityProduction evidence includes one production line, listed sawing, CNC turning, wire-cutting, milling, and grinding equipment, 100% finished-product inspection, inventory capability, and a stated peak-season fulfillment time of one month. Countervailing limitations include no valid manufacturing contract with affiliated subcontractors and no raw-material traceability.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also provides ODM services, indicating broad support for customer-specific product development.