What are your payment terms?

We accept T/T, PayPal, Western Union when qualified goods are ready for shipment. Also, payment via Alibaba is welcomed.

Can you make customized products?

Yes, we have a professional engineer and production team to customize products for you.

What is the minimum order quantity?

The minimum order quantity is 1 piece.

John Crane Type 21 3/4" Shaft Mechanical Water Pump Seal

Name: John Crane Type 21 3/4" Shaft Mechanical Water Pump Seal
Brand: Hangzhou Sealcon Fluid Machinery Co., Ltd.
SKU: 2000960115

Zhejiang, ChinaHangzhou Sealcon Fluid Machinery Co., Ltd.

US$0.50-60.00

1 Piece

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Structure

Single End

Pressure

Medium Pressure Mechanical Seals

Model NO.

R18/JC21

Speed

General Speed Mechanical Seal

Temperature

Poor Temperature Mechanical Seal

Performance

High Pressure

Standard

Type

Jc21

Balance

Unbalanced

Custom

Face

Carbon, Sic, Tc

Seat

Ceramic, Sic, Tc

Bellow

NBR, EPDM, Viton

Metal Parts

SS316, SS304

Transport Package

Individual Package

Specification

OEM

Trademark

SEALCON

Origin

China

HS Code

8484200090

Production Capacity

50000

Key features

Wide Customization: Accepts custom orders for Face, Seat, Bellow, and Metal Parts based on drawings or samples.

Direct Factory Price: Offers competitive factory prices with high quality and fast delivery services.

Versatile Applications: Suitable for water treatment, petroleum, chemistry, refinery, pulp & paper, and marine fields.

Flexible Payment: Accepts T/T, PayPal, Western Union, and Alibaba payments for qualified goods.

Fast Delivery: Immediate shipping for stock items; 20 days for non-stock mass production.

Professional Support: Professional engineers and production team available for customization and advice.

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: ≤6.64h

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.