What's your payment terms?

We accept T/T, Paypal, Western Union when qualified goods are ready for ship. Also pay to via Credit Card is welcomed. For amount less than 1000USD, 100% in advance. For amount more than 1000USD, 50% in advance, balance payment before shipment

I can not find our products in your catalog, can you make customized products for us?

Yes, Customized products is available. OEM is welcomed.

I don't have drawing or picture available for custom products, could you design it?

Yes, we can make the best suitable design in accordance with your application.

The Depac Type 321 Double-Cartridge Mechanical Seal

Name: The Depac Type 321 Double-Cartridge Mechanical Seal
Brand: Hangzhou Sealcon Fluid Machinery Co., Ltd.
SKU: 1991047895

Zhejiang, ChinaHangzhou Sealcon Fluid Machinery Co., Ltd.

US$1.00-50.00

2 Pieces

Product profile

Customization

Available

Structure

Double-End

Pressure

High Pressure Mechanical Seals

Model NO.

D51

Speed

General Speed Mechanical Seal

Temperature

Temperature Mechanical Seal

Performance

Temperature

Standard

Type

Depac Type 321

Balance

Balanced

Face

Car, Sic, Tc

Seat

Sic, Tc

Elatomer

NBR, EPDM, Vit, Aflas, FEP, Kalrez, Chemraz etc.

Metal Parts

SS316, Hastelloy C

Transport Package

Carton

Specification

24mm-100mm/1"-4"

Trademark

SEALCON

Origin

China

HS Code

8484200090

Production Capacity

10000 Sets Per Year

Key features

OEM and Customization Services: Customized products and OEM services are welcomed based on drawings or samples.

Fast Delivery for Stock Items: Immediate shipping available for stock items upon payment receipt.

Competitive Factory Pricing: Direct factory pricing ensures high quality at competitive rates.

Flexible Payment Terms: Accepts T/T, PayPal, Western Union, and Credit Card with flexible advance terms.

Design Support for Custom Orders: Professional design assistance available even without drawings or pictures.

Sample Cost Refund Policy: Sample costs are refundable after placing a formal order.

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: ≤5.79h

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.

Product Q&A

Q:Are you a trading company or factory?

We are a factory, so we can offer you Factory Price with High Quality.

Q:Where is your factory located?

Our factory is located in Jiande, Hangzhou which is close to Shanghai and Ningbo Port.

Q:How long is your delivery?

For stock items, we can ship them immediately after receiving payment. For other items, we will need 14-25 days for mass production depends on the quantity and types of the order.

Q:Do you provide free samples?

Usually we do not provide free samples. There is a sample cost which can be refund after you place order.

Q:What do you usually shipped through?

Air freight, Sea freight, express is the widely used shipment due to small weight and size for Mechanical seal