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Help CenterPump Spare Parts Seal Ring for Water Treatment Plants, Liancheng 350S-44 Direct Replacement
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Jiangsu Manqi Machinery Co., Ltd. is a professional manufacturer specializing in high-quality pump components since 2017. Our factory, located in Suzhou, Jiangsu, covers an area of 10,000–30,000 square meters, and we are dedicated to providing reliable spare parts for water treatment plants worldwide. The Pump Spare Parts Seal Ring for Water Treatment Plants, Liancheng 350S-44 Direct Replacement is engineered to meet the exacting standards of the original equipment, ensuring seamless fit and long-lasting performance. This seal ring is designed to minimize leakage, reduce downtime, and enhance the efficiency of your pumping system.
Our seal ring is manufactured from high-grade materials that offer excellent wear resistance and corrosion protection, making it ideal for harsh water treatment environments. Whether you are dealing with clean water, wastewater, or chemical-laden fluids, this component delivers consistent sealing performance. With precision machining and strict quality control, each ring is a direct replacement for the Liancheng 350S-44 model, eliminating the need for modifications.
Key Features & Benefits
- Direct Replacement: Perfectly matches Liancheng 350S-44 pump specifications — no retrofitting required.
- High Durability: Made from premium stainless steel or alloy steel, heat-treated for enhanced hardness and longevity.
- Leak-Proof Design: Precision-ground surfaces ensure a tight seal, reducing fluid loss and operational costs.
- Corrosion Resistance: Suitable for various water types, including acidic or alkaline effluents (optional coating available).
- Wide Temperature Range: Performs reliably from -20°C to 120°C, adaptable to different process conditions.
- Cost-Effective: Extends pump overhaul intervals, minimizing maintenance frequency and spare parts expenses.
Technical Specifications
| Parameter | Value |
| Applicable Pump Model | Liancheng 350S-44 |
| Material Options | Stainless Steel 304/316, Alloy Steel (customizable) |
| Hardness (HRC) | 40–50 (adjustable per request) |
| Maximum Working Pressure | 1.6 MPa |
| Temperature Range | -20°C to +120°C |
| Surface Roughness (Ra) | ≤ 0.8 μm |
| Packaging | Export wooden case / carton (customizable) |
The seal ring undergoes rigorous testing, including dimensional inspection, hardness verification, and pressure testing, to ensure compliance with OEM standards. Our production process utilizes advanced CNC machining and heat treatment facilities, backed by a team of 11–50 experienced workers. This guarantees consistent quality batch after batch.
Why Choose Jiangsu Manqi?
Since 2017, we have steadily grown our export business to serve customers in Eastern Europe, Southeast Asia, Africa, and South Asia. Our factory in Suzhou is equipped with modern machinery, and we maintain strict quality control from raw material sourcing to final packaging. Although our annual export value is below US$1 million, we focus on building long-term relationships through reliable products and responsive service.
We are confident that our Liancheng 350S-44 direct replacement seal ring will meet your expectations. Every order is shipped from the Port of Shanghai with careful packing to prevent damage during transit. We offer customization options for material, hardness, and dimensions — simply contact us with your requirements.
Don't let worn-out seal rings compromise your water treatment plant's performance. Upgrade to our durable, precision-engineered seal ring and enjoy reduced leaks, longer pump life, and lower total cost of ownership. Contact us today for a quote or sample!
Frequently Asked Questions
Q1: Is this seal ring an exact fit for Liancheng 350S-44 pump?
A: Yes, it is designed as a direct replacement. The dimensions, mounting holes, and sealing surfaces match the original OEM part.
Q2: What materials are available for this seal ring?
A: Standard options include stainless steel 304 and 316. Alloy steel with different hardness levels is also available upon request.
Q3: Can you provide custom sizes or tolerances?
A: Yes, we can customize the seal ring to your specific drawings or samples. Minimum order quantity may apply.
Q4: How long is the delivery time?
A: For standard products, delivery is typically 15–25 working days after order confirmation. Custom orders may take longer.
Q5: What is the minimum order quantity?
A: For standard sizes, MOQ is 10 pieces. For custom versions, please inquire.
Q6: Do you offer samples before mass production?
A: Yes, we can provide samples. The sample cost is negotiable, and it will be deducted from the bulk order.
Q7: How do you ensure the quality of the seal ring?
A: Each batch undergoes dimensional inspection, hardness test, and pressure test. We also maintain a quality management system that follows industry standards.
Q8: What is the warranty period?
A: We offer a 12-month warranty against manufacturing defects under normal operating conditions.
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