Shanghai Dongfang DFSS400-520/4 Industrial Centrifugal Pump Wear Ring
Product Spotlights
Jiangsu Manqi Machinery Co., Ltd., a professional manufacturer established in 2017 with a modern factory spanning 10,000–30,000 square meters, proudly presents the Shanghai Dongfang DFSS400-520/4 Industrial Centrifugal Pump Wear Ring. This wear ring is a critical component designed to minimize leakage between the pump casing and impeller, enhance volumetric efficiency, and extend the service life of your centrifugal pump. Manufactured under strict quality control in our Suzhou facility, each wear ring delivers reliable performance for demanding industrial applications.
Product Features & Technical Specifications
- Precision Engineering: Machined to tight tolerances (±0.05 mm) ensuring a perfect fit and optimal clearance control.
- High Wear Resistance: Made from durable materials such as cast iron, stainless steel, or bronze to withstand abrasive fluids and high-velocity flow.
- Corrosion Protection: Optional coating or material selection available for corrosive environments.
- Easy Installation: Designed for direct replacement without modifications to existing pump assemblies.
- Temperature Tolerance: Suitable for operating temperatures up to 200°C (depending on material chosen).
- Pressure Capability: Handles system pressures up to 2.5 MPa.
| Parameter | Specification |
|---|---|
| Model | DFSS400-520/4 |
| Outer Diameter | Approx. 400 mm (customizable) |
| Inner Diameter | 520 mm (customizable) |
| Material Options | Cast Iron / SS304 / SS316 / Bronze |
| Hardness (HB) | 180–250 (adjustable) |
| Weight | Approx. 5–12 kg per piece |
Customer Benefits
- Reduces internal recirculation losses, improving pump efficiency by up to 5%.
- Protects expensive impeller and casing wear surfaces, lowering replacement costs.
- Minimizes downtime: quick replacement with no need for pump major overhaul.
- Customizable dimensions and materials to match your existing pump model and operating conditions.
Why Choose Jiangsu Manqi Machinery?
As a dedicated manufacturer with annual export value below US$1 million, we focus on delivering high-quality parts to Eastern Europe, Southeast Asia, Africa, and South Asia. Our 11–50 skilled employees ensure each wear ring is carefully inspected before leaving our Suzhou factory. With direct factory pricing and flexible shipping from the Port of Shanghai, you get reliable products at competitive costs. Contact us today for a quote or technical consultation – we are ready to support your pump maintenance needs.
Frequently Asked Questions (FAQ)
-
What materials are available for the wear ring?
We offer cast iron, stainless steel (SS304, SS316), and bronze. Contact us with your specific fluid conditions for recommendations. -
Does this wear ring fit all DFSS400-520 pumps?
This part is designed for the DFSS400-520/4 model. Please verify your pump’s exact model number and dimensions to ensure compatibility. -
Can I order a custom size?
Yes, we accept custom orders. Provide your required inner/outer diameter and thickness, and we will machine accordingly. -
What is the typical lead time?
Standard sizes ship within 7–15 days after order confirmation. Custom orders may take 20–30 days depending on complexity. -
How do I install the wear ring?
Installation is straightforward: clean the housing, position the ring, and secure with set screws or press fit. A detailed guide is included with each order. -
What is the minimum order quantity (MOQ)?
Typically 1 piece for standard models; custom orders may require a minimum of 10 pieces. -
Do you provide warranty?
Yes, we offer a 12-month warranty against manufacturing defects under normal operating conditions. -
What payment methods are accepted?
We accept T/T, L/C, and other negotiable terms. Please inquire for details.
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