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Shanghai Dongfang DFSS300-6N/4 Replacement Seal Ring for Horizontal Pump

Shanghai Dongfang DFSS300-6N/4 Replacement Seal Ring for Horizontal Pump photo-1
Shanghai Dongfang DFSS300-6N/4 Replacement Seal Ring for Horizontal Pump photo-2
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Product Spotlights

Precision-manufactured replacement seal ring for Shanghai Dongfang DFSS300-6N/4 horizontal pump. Offers exact fit, durable alloy or rubber options, resists wear and corrosion, operates up to 120°C and 1.6 MPa. Cost-effective alternative to OEM, customizable materials, backed by professional factory support. Reduces downtime and extends pump life.
Negotiable MOQ: 10 Pieces (Price negotiable depending on order volume and customization)
Key Specifications
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Model:
DFSS300-6N/4
Brand:
Shanghai Dongfang (Replacement)
Material:
Special alloy steel / NBR (available upon request)
Payment & Shipping
Payment Methods:
Port of Shipment:
Shanghai
Delivery Detail:
Delivery time depends on order quantity.
Model DFSS300-6N/4
Brand Shanghai Dongfang (Replacement)
Material Special alloy steel / NBR (available upon request)
Applicable Pump Type Horizontal centrifugal pump
Hardness (Shore A) 60-80 (dependent on material)
Working Temperature -20°C to +120°C (standard range)
Working Pressure ≤ 1.6 MPa
Dimensions Customizable to match original DFSS300-6N/4
Color Natural metal / black rubber (customizable)
Application Industrial water, sewage, chemical fluid transfer

Jiangsu Manqi Machinery Co., Ltd., a dedicated manufacturer established in 2017, is proud to offer the Shanghai Dongfang DFSS300-6N/4 Replacement Seal Ring for horizontal pumps. With our factory spanning 10,000–30,000 square meters and a skilled team of 11–50 professionals, we ensure every seal ring meets rigorous quality standards. This replacement part is engineered to restore the sealing performance of your original Shanghai Dongfang DFSS300-6N/4 horizontal pump, minimizing downtime and extending equipment service life. Our seal ring combines precise machining with reliable materials, providing an economical alternative to OEM parts without compromising functionality.

Product Features & Technical Specifications:

  • Exact Fit Replacement: Designed specifically for DFSS300-6N/4 horizontal pumps, ensuring compatibility with original dimensions and mounting requirements.
  • Durable Material Options: Available in premium alloy steel, stainless steel, or NBR (nitrile rubber) to suit different operating conditions. Material can be customized upon request.
  • Enhanced Leakage Prevention: Precision-machined sealing surfaces provide a tight barrier against fluid leaks, reducing maintenance frequency.
  • Wide Temperature & Pressure Range: Standard working temperature from -20°C to +120°C and pressure up to 1.6 MPa. Higher specifications available on request.
  • Resistant to Wear & Corrosion: Hardness control (Shore A 60–80 for rubber components) and anti-corrosion coatings help the ring perform in demanding environments like water treatment, chemical processing, and industrial fluid transfer.
  • Cost-Effective Solution: As a direct replacement part, it helps you avoid full pump overhaul costs, saving up to 60% compared to OEM alternatives while maintaining original performance.

Technical Parameters (Typical Values):

Parameter Value
Model DFSS300-6N/4
Outer Diameter (approx.) 300 mm (confirm with original)
Inner Diameter (approx.) 6N/4 specific (custom machined)
Thickness (approx.) 8–15 mm (varies by material)
Hardness (Rubber part) Shore A 70±5
Working Pressure ≤ 1.6 MPa

Why Choose Our Replacement Seal Ring?

  • Manufacturing Expertise: Jiangsu Manqi Machinery Co., Ltd. operates a modern facility with CNC machines and quality inspection equipment, ensuring each part meets dimensional tolerances within ±0.05 mm.
  • Global Reach: Our products are shipped to Eastern Europe, Southeast Asia, Africa, and South Asia via the Port of Shanghai, with proven export experience.
  • Customer Support: We provide technical drawings and installation guidance to help your team quickly replace the seal ring, reducing downtime to minimum.
  • Flexible Customization: For different media (e.g., caustic fluids, high-temperature water), we can adjust material selection and surface treatment to meet your exact requirements.

Backed by our solid manufacturing base and commitment to quality, Jiangsu Manqi Machinery has been serving industrial clients since 2017. Our annual export value below US$1 million reflects our focused approach on delivering reliable spare parts. We are confident that our Shanghai Dongfang DFSS300-6N/4 Replacement Seal Ring will help you maintain pump efficiency and reduce operational costs. Contact us today for a quotation or additional technical data – we are ready to support your pump maintenance needs.

Frequently Asked Questions:

  1. Q: Is this seal ring an OEM part or a compatible replacement?
    A: It is a high-quality compatible replacement designed to match the original Shanghai Dongfang DFSS300-6N/4 specifications. It is not the OEM part but offers equivalent performance.
  2. Q: What materials are available for this seal ring?
    A: Standard options include alloy steel, stainless steel, and NBR rubber. For special applications (e.g., high-temperature or corrosive media), we can customize with FKM or PTFE upon request.
  3. Q: How can I confirm the exact dimensions for my pump?
    A: We recommend measuring the original seal ring's outer diameter, inner diameter, and thickness, or providing the pump model. Our technical team can cross-check with our library for a precise match.
  4. Q: What is the typical lead time?
    A: For standard specifications, we can ship within 7–15 days after order confirmation. Customized orders may take 15–25 days depending on complexity.
  5. Q: Do you provide installation instructions?
    A: Yes, we include a basic installation guide and can offer additional technical support via email or video call if needed.
  6. Q: What is the minimum order quantity (MOQ)?
    A: The MOQ is 1 piece, making it convenient for maintenance needs. Volume discounts are available for orders of 10 or more.
  7. Q: How do you ensure the quality of the seal ring?
    A: Each ring is inspected for dimensional accuracy, hardness, and surface finish. We can provide a quality certificate upon request.
  8. Q: Is the seal ring suitable for drinking water applications?
    A: Standard NBR material is not food-grade. For potable water, we recommend specifying an FDA-compliant material at the time of order.

Product Tags: DFSS300-6N/4 pump seal ring , Horizontal pump replacement sealing ring , Shanghai Dongfang mechanical seal spare part

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Platinum Verified Supplier
1Yr
Verified Business License
Business Type
Manufacturer
Year Established
2017
Factory Size
10,000-30,000 square meters
Annual Export Value
Below US$1 Million