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Help CenterShanghai Liancheng SLOW200-340 316 Stainless Steel Anti-Corrosion Wear Ring
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Welcome to Jiangsu Manqi Machinery Co., Ltd. As a dedicated manufacturer since 2017, we take pride in offering high-quality engineered components for industrial fluid handling. Our Shanghai Liancheng SLOW200-340 316 Stainless Steel Anti-Corrosion Wear Ring is designed to deliver exceptional durability and corrosion resistance in demanding pump applications. This wear ring is a critical part that reduces leakage and maintains efficiency in centrifugal pumps operating in harsh, corrosive environments. Manufactured in our 10,000–30,000 m² facility in Suzhou, Jiangsu, each ring undergoes stringent quality checks to ensure reliable performance.
Product Features & Technical Specifications
The SLOW200-340 wear ring is precision-machined from solid 316 stainless steel, offering superior resistance to chlorides, acids, and other aggressive media. Its optimized geometry minimizes wear between the impeller and casing, extending pump service life and reducing maintenance costs.
Material Excellence: Full 316 stainless steel composition (UNS S31600) ensures excellent pitting and crevice corrosion resistance.
Anti-Corrosion Performance: Specifically formulated for applications exposed to seawater, chemical solutions, and high-humidity environments.
Precision Engineering: CNC-turned and ground to tight tolerances (±0.05 mm) for perfect concentricity and minimal leakage.
Standard Design: Compatible with SLOW200-340 pump series, with optional customization for other models.
Low Friction Surface: Smooth finish reduces frictional losses, improving pump efficiency by up to 2–3%.
Easy Installation: Drop-in replacement design requires no additional modifications.
| Parameter | Specification |
|---|---|
| Material Grade | 316 Stainless Steel (CF8M equivalent) |
| Model | SLOW200-340 |
| Hardness (HB) | ≤ 187 HB (annealed) |
| Tensile Strength | ≥ 515 MPa |
| Yield Strength | ≥ 205 MPa |
| Temperature Range | -20°C to +400°C |
| Applications | Chemical, Marine, Oil & Gas, Water Treatment |
Why Choose Our Wear Ring?
Our wear rings are manufactured with strict process control, from raw material sourcing to final inspection. Each batch is tested for dimensional accuracy and material composition. We offer competitive pricing without compromising on quality, thanks to our efficient production in a 10,000–30,000 m² factory with 11–50 skilled employees. Our products are already trusted by clients in Eastern Europe, Southeast Asia, Africa, and South Asia. With convenient shipment from Port of Shanghai, we ensure timely delivery for your projects.
Key Benefits to Your Business:
Reduced pump downtime and maintenance intervals – saves operational costs.
Longer service life compared to standard carbon steel wear rings in corrosive environments.
Improved pump efficiency leads to lower energy consumption.
Custom dimensions available upon request – we can adapt to your specific pump model.
Trust & Reliability
Since our establishment in 2017, Jiangsu Manqi Machinery Co., Ltd. has focused on providing durable, high-performance pump components. Our factory occupies 10,000–30,000 m² and is equipped with modern CNC machines and quality testing instruments. We supply to diverse markets across Eastern Europe, Southeast Asia, Africa, and South Asia. Our annual export value exceeds expectations for a company of our size, reflecting strong customer satisfaction. Every SLOW200-340 wear ring is backed by our commitment to quality and after-sales support. We invite you to contact us for a quote or to discuss your specific requirements.
Frequently Asked Questions (FAQ)
What is the difference between 316 and 304 stainless steel for this wear ring?
316 stainless steel contains molybdenum, providing enhanced resistance to chlorides and acids. It is preferred for marine and chemical applications where 304 may corrode prematurely.Can this wear ring be used in pumps other than SLOW200-340?
While designed specifically for SLOW200-340, we can manufacture custom sizes for other pump models. Please provide your pump specifications for a tailored solution.What is the typical lead time for an order?
Standard lead time is 7–15 working days, depending on order quantity. Custom orders may require additional time. We ship from Port of Shanghai.Does the ring come with a warranty?
Yes, we offer a 12-month warranty against manufacturing defects under normal operating conditions. Please refer to our warranty policy for details.How should I install the wear ring?
Installation should follow the pump manufacturer's guidelines. Typically, the ring is press-fitted into the casing or onto the impeller. We recommend consulting a qualified technician.Is the surface finish polished or as-machined?
Our standard finish is as-machined with a surface roughness Ra ≤ 1.6 μm. A finer polished finish can be provided upon request for special friction requirements.Do you offer samples before bulk order?
Yes, sample orders are welcome. Sample cost and shipping will be arranged, and we can deduct the sample cost from future bulk orders.Can you provide material certification (MTC) for the 316 stainless steel?
Absolutely. We can issue a mill test certificate (MTC) with each shipment upon request, confirming the chemical composition and mechanical properties.
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