China Cartridge Seal Suppliers Factory - Customized Cartridge Seal Wholesale

MOR SEAL:Your Professional Cartridge Seal Manufacturer!

Sichuan MONOEL SEAL is one of the leading Chinese manufacturers in design, produce, and sale of dynamic sealing products such as mechanical seals, dry gas seals, carbon ring seals,Seal support systems, and marine seals, since we were established in 1976. MOR Seal is our brand. Over the years, with high-quality products, punctual delivery, and good service, we have more 1000 customers, 50000 items.

MOR 48LP mechanical seal
Shaft Diameter: 20 mm – 120 mm (0.787” – 4.724”)Working Pressure: Up to 3.0 MPaWorking Temperature: -20 °C ~ +220 °C (dependent on elastomer material)Rotating Speed: Up to 3800 r/minTemperature:
MOR T.587-D/8B1D-SP-D Cartridge Mechanical Seal
The MOR T.587-D/8B1D-SP-D cassette mechanical seal features a single-sided double-balance design; it is a specially customized variant derived from the General Motors 587-SP series. Advantages This
MOR 122 Double Cartridge Mechanical Seal
Pressure Range : 0~4 MPaTemperature Range : -60~260 °CLinear Speed : 0~7000 r/minShaft Diameter : 22~280 mm
MOR 5840 Cartridge Slurry Seal
Shaft Diameter: 25 mm – 150 mm (0.984” – 5.906”)Working Pressure: Up to 4.0 MPaWorking Temperature: -30 °C ~ +250 °C (dependent on elastomer material)Rotating Speed: Up to 4200 r/minSeal Type:
FFGD Single Cartridge Mechanical Seal For Suler MSD Pump
Pressure: Up to 300 bar (4,400 psi)Temperature: −20°C to 250°C (−4°F to 482°F)Shaft sizes: Compatible with Sulzer MSD pump shaft diameters
MOR 523 LIGHTNIN Spring Seal
Shaft size: 18–120 mm (standard)Pressure: ≤ 1.5 MPa (15 bar) / ≤ 3.0 MPa (30 bar)Temperature: 0–150 °C (standard) / −20–200 °C (high‑temp)Speed: ≤ 5 m/s (mixer) / ≤ 20 m/s (pump)
MOR HRM Mechancial Seal
Size: 25–120 mm (custom sizes available). Pressure: 0–2.5 MPa (higher pressures on request). Temperature: −50 °C to +425 °C (material-dependent). Speed: ≤ 25 m/s
MOR 206 Vacuum Pump Mechanical Seal
Size:10-50mm. Pressure:Vacuum to 0.8 MPa. linear velocity: ≤12m/s. Temperature: -40℃～350℃.
MOR JCS2A Pharmaceutical Centrifugal Pump Seals
Size: 30–120 mm (custom sizes available). Pressure: 0–2.5 MPa (process); up to 1.5 MPa (barrier fluid). linear velocity: ≤20m/s. Temperature: -20 °C to +180 °C (standard); -40 °C to +220 °C (special
MOR 286HT
Size: 25 mm – 610 mm (1.0 – 24) or customized. Pressure: 0～2MPa. linear velocity: ≤20r/m. Temperature: -40°C to 400°C (-40°F to 750°F).
MOR SV Series Cartridge Mechanical Seal (For Side-Entry Agitator)
Size: 1.5 / 2.0 / 2.5 / 3.0 / 3.5 / custom mm size. Pressure: ≤ 1.6 MPa. linear velocity: ≤15 m/s. Temperature: -20 ℃ ~ +180 ℃ (depending on O-ring material). Mediums: oil, acid, alkali, and polymer
MOR 8BIVORS Single Mechanical Seal
Size: 20 – 100 mm (Custom sizes available). Pressure: Vacuum to 1.6 MPa. linear velocity: ≤20m/s. Temperature: -20 ℃ to +250 ℃ (Metal bellows version up to 400 ℃).

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Why Choose Us

Rich Experience

Our General manager is the Chinese dry gas seals standard-setter, a professor-level senior engineer in sealing industry, who has been engaged in sealing product research and development for more than 30 years. He and our company obtained 36 world patents.

OEM/ODM

We focus on mid-high-end and customized products to meet customers' different demands, OEM and ODM are both acceptable.Major partners inboard include over 100 large chemical production enterprises such as China Petroleum & Chemical Corporation, China National Petroleum Corporation, and China National Offshore Oil Corporation.

Production Market

Since 2014, we started to export, Our abroad customers are mainly from Germany, Italy, USA, Australia, Malaysia, Singapore, Indonesia, etc. We have extensive hands-on experience in sealing technology and numerous successful application cases both domestically and internationally.

Full Service

For modified seals, we provide full tracking service, from original data collection, seal design, manufacturing, all of which are handled by dedicated personnel. Our company sends professionals to the site for installation and commissioning until the start-up is successful;For maintenance, our company can send professionals to the site to dismantle the seals to reduce accidental marine losses.

Advantages of Cartridge Seal

Easy Installation and Maintenance

One of the biggest advantages of cartridge seals is their ease of installation and maintenance. Unlike traditional mechanical seals, which require skilled technicians to install and maintain, cartridge seals are designed to be easy to install and remove. This makes them ideal for industries where downtime can be costly. Cartridge seals are also designed to be easily replaced, reducing maintenance costs and improving machine uptime.

Improved Seal Performance

Cartridge seals are designed to provide superior sealing performance compared to traditional mechanical seals. They are designed to be self-aligning, which ensures that the seal faces are always in perfect alignment. This improves sealing performance, reduces wear on the seal faces, and extends the life of the mechanical seal. Cartridge seals are also designed to provide better sealing performance in high-pressure and high-temperature applications, making them ideal for use in industries where harsh conditions are common.

Reduced Seal Failure

Cartridge seals are designed to reduce the likelihood of seal failure. They are designed with a barrier fluid that provides a secondary seal to prevent the escape of process fluid. This reduces the risk of leakage and contamination, which can lead to costly downtime and damage to equipment. Cartridge seals are also designed with an axial movement feature that allows for greater flexibility in machine operation, reducing the risk of seal failure due to misalignment or vibration.

Cost-Effective

Cartridge seals are a cost-effective solution for many industrial applications. They are designed to be easily replaced, reducing maintenance costs and improving machine uptime. They are also designed to provide superior sealing performance, reducing the risk of costly downtime due to seal failure. Additionally, cartridge seals are designed to be more energy-efficient than traditional mechanical seals, which can result in significant cost savings over the long term.

Parameters

Product Name	Cartridge Seal
Materials	According to customer's demands
Size	Standard or customized
Temperature	-40~350℃
Pressure	≤2.5MPA
Linear Velocity	≤20m/s
Service	OEM Customized Services

Application of Cartridge Seal

Process Industries (Chemical, Petrochemical, Pharmaceutical)

In chemical, petrochemical, and pharmaceutical industries, the handling of corrosive and hazardous substances demands reliable sealing solutions. Cartridge seals are well-suited for these environments due to their excellent leak prevention capabilities and the ability to accommodate a wide range of fluid types and temperatures. Their ease of replacement and maintenance is particularly valuable, as it reduces downtime and minimizes the risk of product contamination.

FFGD Single Cartridge Mechanical Seal For Suler MSD Pump

Food and Beverage Processing

The food and beverage industry requires stringent hygiene standards and precise control over processes. Cartridge seals meet these requirements by preventing leaks and maintaining the integrity of the product. Their simple replacement and maintenance procedures ensure that production lines can operate efficiently with minimal downtime, a crucial factor in an industry that values consistency and quality.

Water and Wastewater Management

In the field of water and wastewater management, where reliability and environmental concerns are paramount, Cartridge seals have become essential. They effectively prevent leaks in pumps and mixers, reducing the risk of contamination and maintaining the quality of water treatment processes. The easy replacement and maintenance of these seals ensure consistent operation, even in challenging and demanding applications.

Oil and Gas Exploration and Production

The oil and gas industry operates in some of the harshest and most demanding environments. Cartridge seals are chosen for their robustness and ability to maintain sealing performance in extreme conditions. They play a vital role in preventing leaks and maintaining the integrity of equipment used in exploration, drilling, and production processes.

Components Of Cartridge Seal

Gland: The element that securely attaches the seal to the pump housing, ensuring stability during operation and preventing malfunction by keeping the seal fixed in place.

Sleeve: A vital component that envelops the pump shaft and rotates with it, interacting directly with the dynamic sealing interface to keep the rotating parts stable and aligned.

Sealing Faces: At the core of the cartridge seal are these faces—one stationary and one rotating. They press tightly against each other to create a primary seal, blocking fluid leakage. The design precision and material selection for these faces are essential for the seal's proper function under different conditions.

Secondary Seals (O-rings): These seals enhance sealing by providing an extra barrier against leaks and managing any misalignment or size changes in the parts due to temperature variations.

Spring Mechanism: Found within the cartridge, this mechanism ensures that the sealing faces maintain constant pressure against each other, which is vital for consistent seal performance.

Cartridge seal installation steps

Preparation

Before commencing installation, verify that all components are clean and undamaged. Inspect the mechanical seal for any defects or transportation damages. Ensure that the shaft or sleeve, where the seal will be mounted, is also free from surface irregularities and burrs.

Lubrication

Apply a thin layer of compatible lubricant on the shaft or sleeve to facilitate smooth sliding of the seal assembly during installation.

Positioning Seal on Shaft

Slide the assembled cartridge seal onto the shaft carefully avoiding any tilting which could damage delicate sealing faces. This must be done gently to maintain pre-set spring loads as these seals come with factory-set parameters.

Setting Seal Gland Plate

Align and mount the gland plate against equipment casing while making sure it is evenly seated. Some designs use locating pins or fixtures to ensure precise placement within pump casing.

Tightening Gland Bolts

For even compression and proper face alignment, gradually tighten gland bolts in a diagonal pattern (cross-tightening). This secures the seal in position without putting undue stress on any part of it.

Removing Setting Devices

After securing, remove transport supports, setting clips or shims put in place by manufacturers to maintain face contact during shipment.

Verification of Rotational Freedom

Rotate shaft by hand ensuring there’s no binding or excessive drag on mechanical parts indicating free movement without misalignment.

Connect Flush Lines (If Applicable)

Attach auxiliary lines such as quench, flush, or drain pipes according to system requirements facilitating optimal environmental control at active seal faces.

Final Inspection

Conduct a thorough inspection of all connected parts for secure fittings and check that all installation criteria specified by manufacturer have been met before starting up equipment.

Packaging and Shipping

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Our Certificates

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FAQ

Q: How long is your delivery time?

A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

Q: Can I get an sample to check the quality of products?

A: Yes. We can send you samples to check the quality within 3-5days.

Q: What payment terms do you accept?

A: We accept T/T, Western Union, Paypal and Escrow, L/C, etc.

Q: Can you make customized products for us?

A: Yes. Customized products are available according to your drawings or working conditions.

Q: Could you design it if I don’t have drawings or pictures for custom products?

A: Yes,we can make the best suitable design in accordance with your application and working conditions.

Q: What is the difference between cartridge seal and non cartridge seal?

A: One of the significant differences between cartridge and non-cartridge mechanical seals is the installation and maintenance process. Cartridge mechanical seals are easy to install, and maintenance is a simple process due to their pre-assembled design.

Q: What is the function of cartridge seal?

A: Cartridge seal units offer major maintenance advantages. Replacement is rapid and there is far less risk of assembly error and assembly damage than with conventional mechanical seal mounting.

Q: What is the difference between component and cartridge seals?

A: Other than cartridge type seals that are completely encased within secure housings, component mechanical seals usually have exposed parts that are more susceptible to damage during transportation or installation. Further, non-cartridge type seals require precise measurements during installation to prevent seal failure.

Q: What is the life expectancy of a mechanical seal?

A: Properly installed and stabilized mechanical seals should get 3-5 years of useful service. If they are getting less, then they could be installed on worn equipment that needs shaft support, or flush fluid characteristics need analysis.

Q: What are the parts of a cartridge seal?

A: The design of a cartridge mechanical seal integrates several critical components, each playing an integral role in its operational efficiency and reliability. These include the seal faces, the secondary seals, the metal parts, and the gland plate.

As one of the most professional cartridge seal suppliers in China, we're featured by quality products and competitive price. If you're going to buy customized cartridge seal, welcome to get quotation from our factory.

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