KQSN300-X9A/475 Pump Mechanical Seal 220V Compatible Mill Test Report Available
Product Spotlights
Welcome to Jiangsu Manqi Machinery Co., Ltd. – a specialized manufacturer of high-quality pump mechanical seals since 2017. Our KQSN300-X9A/475 mechanical seal is engineered to deliver reliable sealing performance in demanding industrial environments, offering full compatibility with 220V pump systems. Each seal comes with a Mill Test Report to guarantee material integrity and dimensional accuracy, giving you the confidence to install and operate without hesitation.
Designed as a direct replacement for KQSN series pump seals, this unit ensures precise fit and long service life. Whether you are managing water treatment plants, chemical processing, or mining operations, our mechanical seal provides the durability and leakage control your equipment demands.
Key Features & Technical Specifications
- Precision Engineering: Manufactured with tight tolerances to ensure zero leakage and efficient operation.
- 220V Compatibility: Specifically designed for pumps that operate on 220V power supply – no modifications needed.
- Material Options: Standard configuration uses carbon vs. silicon carbide faces, with alternative materials (tungsten carbide, stainless steel) available upon request.
- Mill Test Report (MTR): Each seal is accompanied by a certified report documenting chemical composition and mechanical properties, traceable to the original batch.
- Wide Application Range: Ideal for centrifugal pumps in HVAC, irrigation, marine, and industrial fluid transfer.
- Easy Installation: Drop-in replacement design reduces downtime – no special tools required.
| Parameter | Value |
| Model | KQSN300-X9A/475 |
| Voltage Compatibility | 220V AC |
| Face Material (Standard) | Carbon vs Silicon Carbide |
| Secondary Seal (Standard) | NBR / Viton (optional) |
| Operating Pressure | Up to 2.5 MPa |
| Temperature Range | -20°C to +150°C |
| Shaft Diameter Range | Consult specification sheet (available on request) |
| Mill Test Report | Included with every seal |
Why Choose Our KQSN300-X9A/475 Mechanical Seal?
- Reliability: Rigorous quality control during production ensures consistent performance in continuous operation.
- Cost-Effective: Direct OEM replacement without the OEM price tag – save up to 30% compared to original parts.
- Traceability: Mill Test Report provides full material traceability, a critical requirement for many quality management systems.
- Customization: If your pump requires a different material combination or special dimensions, we offer customization services to meet your exact needs.
- Global Shipping: All orders are shipped from Port of Shanghai, with flexible logistics options to Eastern Europe, Southeast Asia, Africa, and South Asia.
At Jiangsu Manqi Machinery, we combine 7+ years of manufacturing expertise with a dedicated team of 11-50 skilled employees. Our factory spans over 10,000 square meters, equipped with advanced CNC machines and testing facilities. We have proudly served customers across Eastern Europe, Southeast Asia, Africa, and South Asia, maintaining a strong commitment to on-time delivery and product quality. Every KQSN300-X9A/475 mechanical seal is backed by our rigorous quality assurance process and the included Mill Test Report. Contact us today to place an order or request a quote – we are ready to support your pumping operations with reliable sealing solutions.
Frequently Asked Questions
-
Q: Is this specific seal compatible with other pump brands besides KQSN?
A: This seal is designed primarily for KQSN series pumps. While it may fit other similar centrifugal pumps, we recommend checking the shaft diameter, seal chamber dimensions, and orientation. Please provide your pump details for a cross-reference check. -
Q: What does "Mill Test Report" include?
A: The Mill Test Report (MTR) documents the chemical composition, mechanical properties (tensile strength, hardness), and heat treatment records of the raw materials used in the seal faces and metal parts. It ensures traceability and quality compliance. -
Q: Can I get the seal with different face materials, like tungsten carbide?
A: Yes, alternative materials are available upon request. Common options include tungsten carbide vs. silicon carbide, or carbon vs. ceramic. Please specify your requirements when ordering. -
Q: What is the typical lead time for this seal?
A: For standard material configurations, we can ship within 7-15 working days after order confirmation. Customized seals may require additional time depending on material availability. -
Q: Is the seal ready to install right out of the box?
A: Yes, each seal is pre-assembled and lubricated for immediate installation. Ensure the pump shaft and seal housing are clean and free of debris before mounting. -
Q: Do you provide a warranty?
A: Yes, we offer a 12-month warranty against manufacturing defects from the date of shipment. The warranty does not cover wear from abrasive media or improper installation. -
Q: What payment methods do you accept?
A: We accept T/T (bank transfer), L/C, and other commonly used terms. Payment details can be discussed with our sales team. -
Q: Can I request a sample before bulk order?
A: Certainly. Sample orders are welcome. Please contact us for sample pricing and lead time.
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