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Help CenterDFSS700-25/8 Stainless Steel Shaft Sleeve Wear Parts for Shanghai East Pump East Water Pump Accessories
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Jiangsu Manqi Machinery Co., Ltd., established in 2017 with a factory spanning 10,000–30,000 square meters, is a specialized manufacturer of high-quality pump components. Our DFSS700-25/8 Stainless Steel Shaft Sleeve is a precision-engineered wear part designed specifically for Shanghai East Pump and East Water Pump systems. Crafted from premium stainless steel, this sleeve provides exceptional resistance to abrasion, corrosion, and high rotational stresses, ensuring long service life and reliable performance in demanding industrial applications.
As a direct manufacturer, we control every step of production—from material selection to final inspection—to deliver components that meet or exceed OEM standards. Our shaft sleeves are widely used in water treatment, irrigation, chemical processing, and HVAC systems across Eastern Europe, Southeast Asia, Africa, and South Asia. With a dedicated team of 11–50 skilled workers and annual export values exceeding US$1 million, we are committed to providing cost-effective solutions without compromising quality.
Choose our DFSS700-25/8 shaft sleeve to reduce pump downtime, minimize maintenance costs, and extend the lifespan of your equipment. Below you’ll find detailed specifications, key features, and answers to common questions.
Product Features & Advantages
- Premium Stainless Steel Construction – Made from high-grade 304 or 316 stainless steel (option available), offering excellent corrosion resistance in acidic, alkaline, and saline environments.
- Precision Machining – Each sleeve is CNC turned and ground to tight tolerances (ISO h6/h7), ensuring a perfect fit with the pump shaft and mechanical seal.
- Wear-Resistant Surface – Hardened and polished surface reduces friction and abrasive wear, protecting the shaft from scoring and pitting.
- Direct Replacement for Shanghai East Pump – Designed to fit DFSS700-25/8 and compatible with other East pump models, making retrofitting straightforward.
- Easy Installation – Simple slip-on design with keyway or set screw locking (depending on pump configuration).
- Cost-Effective Maintenance – Extends shaft life by up to 3 times compared to untreated shafts, reducing overall repair costs.
- Customizable Options – Available in different lengths, diameters, and threading upon request to suit specific pump variations.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | DFSS700-25/8 |
| Material | Stainless Steel (SS304/SS316 optional) |
| Outer Diameter | 25 mm (customizable) |
| Length | 8 inches (approx. 203 mm) |
| Surface Hardness | ≥ HRC 40 (heat treated) |
| Surface Roughness | Ra ≤ 0.8 μm |
| Applicable Pump Brand | Shanghai East Pump / East Water Pump |
| Packing | Individual wrapped, export carton box |
Customer Benefits
- ✔ Reduced Pump Downtime – The robust sleeve minimizes shaft wear, keeping your pump running longer between overhauls.
- ✔ Compatibility – Perfect fit for DFSS series pumps, eliminating modification efforts.
- ✔ Lower Inventory Cost – One sleeve can be reused after shaft polishing; we offer consistent quality for repeat orders.
- ✔ Quick Delivery – With our factory in Suzhou, Jiangsu, near the Port of Shanghai, standard orders ship within 7–15 days.
- ✔ Technical Support – Our experienced team can assist with sizing, installation advice, and custom modifications.
Why Choose Jiangsu Manqi Machinery?
Since 2017, we have grown into a reliable manufacturer with a factory area of 10,000–30,000 m², serving clients in over 10 countries including Eastern Europe, Southeast Asia, Africa, and South Asia. Our annual export value has surpassed US$1 million, reflecting the trust our customers place in our products. Every shaft sleeve undergoes rigorous dimensional and material inspection before packing. We are dedicated to continuous improvement and customer satisfaction.
Order your DFSS700-25/8 Stainless Steel Shaft Sleeve today and experience the difference of precision engineering. Contact us for bulk pricing or custom specifications—we look forward to partnering with you!
Frequently Asked Questions (FAQ)
Q1: Is this shaft sleeve a direct replacement for the original Shanghai East Pump part?
A: Yes, it is manufactured to match the OEM dimensions and fit perfectly for DFSS700-25/8 pumps. It can also be used with compatible East Water Pump models.
Q2: What stainless steel grades are available?
A: Standard material is SS304. For higher corrosion resistance (e.g., seawater or chemical environments), SS316 is available as an option. Please specify when ordering.
Q3: How long does the sleeve last under normal operating conditions?
A: Typical service life is 1–3 years depending on pump duty cycle, fluid type, and temperature. Proper installation and alignment further extend life.
Q4: Can I get a sample before placing a bulk order?
A: Yes, we provide samples for evaluation. A sample fee applies and is refundable upon bulk order. Lead time for samples is 5–7 working days.
Q5: What is the minimum order quantity (MOQ)?
A: Our standard MOQ is 10 pieces per size. For custom sizes or special materials, MOQ may be negotiated.
Q6: Do you offer custom dimensions or threading?
A: Absolutely. We can produce sleeves with custom outer diameter, length, keyway, or thread according to your drawings. Please provide specifications for a quote.
Q7: How do you ensure quality control?
A: Each sleeve is checked for material composition, hardness, dimensional accuracy, and surface finish. We use CMM and profilometers to guarantee compliance with your requirements.
Q8: What about packaging and shipping?
A: Products are individually wrapped in anti-rust paper, then packed in sturdy export cartons. We ship via sea from Port of Shanghai or by air courier for urgent orders.
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