Spring Cartridge Component Mechanical Seal for High Pressure Pump

Spring Cartridge Component Mechanical Seal for High Pressure Pump

Specifically designed as a high pressure pump mechanical seal, this product combines the robustness of a cartridge design with the flexibility of component parts. Component mechanical seal is built to withstand extreme pressure differentials, aggressive media, and continuous operation, ensuring zero leakage and maximum uptime for critical pumping systems. 

Model:300A
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Key Features


• Engineered for Extreme Pressure: This high pressure pump mechanical seal features a hydraulically balanced design and reinforced components to operate reliably at pressures exceeding standard seal limits, preventing face separation and leakage.

• Modular & Serviceable Design: As a versatile component mechanical seal, it allows for the replacement of individual wear parts (like faces or springs) in the field, reducing inventory costs and downtime compared to replacing entire cartridge units.

• Superior Thermal & Chemical Management: Constructed with advanced face materials (e.g., Silicon Carbide vs. Carbon) and high-grade alloys, it effectively manages frictional heat and resists corrosion from a wide range of process fluids.

• Precision & Reliability: Every component mechanical seal is precision-machined to ensure perfect face flatness and squareness, which is critical for the long-term, leak-free performance of any high pressure pump mechanical seal.

• Simplified Inventory & Logistics: By stocking this core high pressure pump mechanical seal design and its components, facilities can service multiple pump models and sizes, streamlining their spare parts management.


Product Applications

Oil & Gas: Booster pumps, pipeline injection pumps, chemical injection pumps.

Power Generation: High-pressure boiler feed pumps, condensate extraction pumps.

Chemical & Petrochemical: Process pumps handling solvents, acids, and hydrocarbons under high pressure.

Water Treatment: High-pressure reverse osmosis (RO) feed pumps and desalination systems.

General Industry: High-pressure washing systems, hydraulic test stands, and any application requiring reliable containment at elevated pressures.


Manufacturer Advantages

OEM Expertise & Precision Manufacturing: MIAOYU leverages deep engineering expertise to manufacture this critical component mechanical seal, ensuring every part meets stringent tolerances for high-pressure applications.

Direct Factory Pricing & Quality Control: As the manufacturer, MIAOYU provides this high pressure pump mechanical seal at highly competitive factory-direct prices, with full quality control over the entire production process.

Customization & Technical Support: MIAOYU offers unparalleled customization for this component mechanical seal, adapting materials, sizes, and configurations to specific OEM or site requirements, backed by expert technical consultation.

Global Supply Chain & Reliability: With a robust logistics network, MIAOYU ensures timely global delivery of this essential high pressure pump mechanical seal, supporting operations worldwide with reliable supply.

Proven Track Record & Industry Compliance: MIAOYU's seals are trusted in critical industries globally. Our manufacturing of this component mechanical seal adheres to international standards (API, ISO), guaranteeing performance and safety.


Technical Specs

Materials

Mediums

Chemical, Food, Oil, Petroleum, Pharmaceuticals Paper and pulp, Sewage treatment

Stationary Ring

Carbon/Sic/Ssic/TC

Temperature

Elastomer Dependent

Rotary Ring

Sic/Ssic/TC

Pressure

≤2.8MPa

Secondary Seal

Viton/EPDM/Chemraz/Kalrez/Aflas, etc

Speed

≤35m/s

Spring and Metal Part

Stainless Steel/Hast C


CF300A-1.jpg
CF300A-2.jpg



Product Specifications


D1 (mm)D2D3D5L1L2L3L5
254010412.59482562
284310412.59482562
304510412.59482567
324710412.59482567
334710412.59482567
355011012.59482570
385312514.79482575
405512514.79482575
425713314.79482580
435813314.79482580
456014014.79482582
486314014.79482582
506514014.79482587
536815017.59482592
557015017.59482592
607516017.594825100
658016517.594825105
708518017.594825120
759519017.585430125
8010019017.585430130
8510522021.585430135
9011022021.585430140
9511522021.585430145
10012022021.585430150


D1 (inch)D2D3D5L1L2L3L5
1.0001.5754.0940.4920.3541.8900.9842.441
1.1251.6934.0940.4920.3541.8900.9842.441
1.2501.8504.0940.4920.3541.8900.9842.638
1.3751.9694.3310.4920.3541.8900.9842.756
1.5002.0874.9210.5790.3541.8900.9842.953
1.6252.2445.2360.5790.3541.8900.9843.150
1.7502.3625.5120.5790.3541.8900.9843.228
1.8752.4805.5120.5790.3541.8900.9843.228
2.0002.5595.9060.5790.3541.8900.9843.425
2.1252.6776.1020.6890.3541.8900.9843.622
2.2502.8746.2990.6890.3541.8900.9843.937
2.3752.9536.4690.6890.3541.8900.9843.937
2.5003.0716.6930.6890.3541.8900.9844.055
2.6253.2687.0670.6890.3541.8900.9844.724
2.7503.3467.4800.6890.3541.8900.9844.724
2.8753.6617.4800.6890.3151.5161.1814.843
3.0003.7407.4800.6890.3151.5161.1814.921
3.1253.9378.6610.6890.3151.5161.1815.118
3.2504.0558.6610.8460.3151.5161.1815.236
3.3754.1348.6610.8460.3151.5161.1815.315
3.5004.3318.6610.8460.3151.5161.1815.512
3.6254.4098.6610.8460.3151.5161.1815.591
3.7504.5288.6610.8460.3151.5161.1815.709
3.8754.7248.6610.8460.3151.5161.1815.906
4.0004.7248.6610.8460.3151.5161.1815.906



Workshop


This workshop is equipped with professional processing equipment and integrated with standardized material warehousing management, enabling a one-stop production process from precision machining to finished product delivery. It ensures part machining accuracy and production efficiency, meeting various high-specification manufacturing requirements.


Metal Bellows Seals for High Temperature Pumps 606
Metal Bellows Seals for High Temperature Pumps 606
Metal Bellows Seals for High Temperature Pumps 606
Metal Bellows Seals for High Temperature Pumps 606



Product Research, Development and Testing


Our Product R&D and Testing focuses on optimizing seal performance through advanced simulation and material analysis. All seals undergo rigorous trials, including thermal cycling and pressure tests, to ensure durability, minimal leakage, and long service life in demanding industrial environments.


R&D and Design.jpg
microscope.jpg
Light band detection.jpg
pressure test.jpg



Industry Solutions


Metal Bellows Seals for High Temperature Pumps 606
Metal Bellows Seals for High Temperature Pumps 606
Metal Bellows Seals for High Temperature Pumps 606
Metal Bellows Seals for High Temperature Pumps 606




Case Study


Power Plant Solution: A power plant's boiler feed pump was leaking due to pressure spikes blowing out standard balanced seals. We supplied this High-Pressure Cartridge Seal with Tungsten Carbide faces. The robust drive mechanism held firm, and the seal has maintained pressure integrity for over 8,000 running hours.

Testimonials


Finally, a seal that doesn't crack under 40 bar pressure. These are built like tanks and are perfect for our multistage pumps.

—Maintenance Lead, Power Generation Facility



FAQs about Metal Bellows Seals for High Temperature Pumps


Q: Can this model replace OEM seals for Grundfos or KSB multistage pumps?

A: Yes, we have specific variants designed to be compatible with the seal chambers of major high-pressure multistage pumps. These are not just dimensional copies; they feature upgraded face geometry to handle the thrust and pressure loads typical of vertical multistage pumps.

Please Contact Us!

Get Started With Your Next Project.
If you have any questions about our products and services, please feel free to contact us. Our team will get in touch with you within 24 hours!
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    Our company is specialized in the production of sealing materials, mechanical seals , cartridge seals.

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