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NINGBO MIAOYU MACHINERY TECHNOLOGY CO., LTDNINGBO MIAOYU MACHINERY TECHNOLOGY CO., LTD

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img of Carbon/Graphite Elastomer Mechanical Packing Seal

Carbon/Graphite Elastomer Mechanical Packing Seal

Carbon/Graphite elastomer mechanical packing seal is a composite sealing solution designed to provide reliable, leak-free performance in demanding industrial environments. Combining the superior lubricity and thermal conductivity of carbon/graphite materials with the flexibility and resilience of high-grade elastomers, this seal is engineered to withstand high temperatures, corrosive media, and mechanical stress. Suitable for pumps, valves, agitators, and other rotary equipment, it offers an efficient alternative to traditional packing materials.

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img of Elastomer Bellows Dry Mechanical Seal for Pool Pump

Elastomer Bellows Dry Mechanical Seal for Pool Pump

The dry mechanical seal is a highly efficient, maintenance-free sealing solution engineered specifically for swimming pool and spa circulation pumps. This seal is designed as a reliable replacement for a wide range of OEM models, featuring a durable EPDM rubber bellows that provides excellent flexibility and corrosion resistance. 

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img of Tungsten Carbide Grundfos Wave Spring Mechanical Seal

Tungsten Carbide Grundfos Wave Spring Mechanical Seal

The tungsten carbide grundfos wave spring mechanical seal is a premium, heavy-duty replacement engineered specifically for Grundfos CR, CRI, CRN, TP, NB, and NK series vertical multistage pumps. This OEM-compatible seal features a robust Tungsten Carbide (TC) vs. Tungsten Carbide face combination, delivering exceptional resistance to abrasion, thermal shock, and high pressure. 

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img of Metal Bellows Seals for High Temperature Pumps 606

Metal Bellows Seals for High Temperature Pumps 606

As a direct replacement for John Crane Type 606 and similar models, this metal bellow mechanical seal eliminates elastomeric secondary seals, making it the ultimate solution for applications involving hot oil, asphalt, bitumen, and aggressive chemicals where temperatures soar up to 425°C (800°F). 

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img of AES W01 W02 Elastomeric Bellow Mechanical Seal Replacement

AES W01 W02 Elastomeric Bellow Mechanical Seal Replacement

Direct Replacement: Interchangeable with AES/AESSEAL W01, W02 series

Material: High-grade 316SS, EPDM/FKM bellows, Carbon/Silicon Carbide faces

Construction: Elastomeric Bellows, Single Spring, Inside Mounted

Performance: Leak-free, Handles light slurry and crystallizing fluids

Reliability: 100% Factory Pressure & Run-out Tested

Delivery: In-stock for fast shipment, MRO & OEM supply
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img of AES T01 T03 T04 T06 Mechanical Seal Replacement

AES T01 T03 T04 T06 Mechanical Seal Replacement

• Positive Drive: Features a pin or set-screw drive mechanism to handle the higher torque required to rotate the PTFE wedge against the shaft.

• Multi-Spring Option: AES mechanical seal available in single or multi-spring configurations (T06) to provide uniform face loading, crucial for maintaining a seal with rigid PTFE components.

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img of AES B07X Pump Mechanical Seal Replacement

AES B07X Pump Mechanical Seal Replacement

Direct Replacement: Interchangeable with AES/AESSEAL B07X series

Material: Premium 316SS, High-Quality Carbon/Silicon Carbide Faces

Construction: Compact, Single Spring Pusher Type Seal

Performance: Reliable, Leak-free for General Purpose Pumps

Service: Designed for Ease of Maintenance and Field Service

Origin: Manufacturer-Direct from China

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img of AES P08 Mechanical Cartridge Seal Replacement

AES P08 Mechanical Cartridge Seal Replacement

• Even Face Loading: The multi-spring design provides uniform closing pressure across the entire seal face circumference, preventing uneven wear and leakage.

• Rectangular Drive: Uses a robust rectangular pin drive system to handle high torque and shaft runout better than standard friction drives.

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img of AES Cartridge Mechanical Seal for Motor Pump

AES Cartridge Mechanical Seal for Motor Pump

• Quench/Drain Ports: Equipped with quench and drain ports as standard, allowing for steam quench or water flush to clean the atmospheric side of the seal.

• Hydraulic Balance: Fully balanced design allows the seal to operate cooler and last longer, even in variable pressure conditions.

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img of AES W03 W04 Mechanical Seal for Roper Pump

AES W03 W04 Mechanical Seal for Roper Pump

• Short Working Length: The compact double-bellow geometry fits into the limited space of a gear pump housing where standard double cartridges won't fit.

• Viscosity Handling: The rugged bellow drive handles the high torque associated with pumping thick, viscous fluids like molasses or bitumen.

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img of Alfa Laval Replacement Mechanical Seal for Pump

Alfa Laval Replacement Mechanical Seal for Pump

• Balanced for Pressure: The seal face geometry is hydraulically balanced, allowing it to handle pressure spikes and hammer in hygienic process lines without opening.

• Simplified Installation: The unitized design means there are no loose springs or O-rings to assemble, preventing installation errors on the production floor.

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img of Double Acting Alfa Laval Pump Mechanical Seal

Double Acting Alfa Laval Pump Mechanical Seal

• Modular Upgrade: Can often replace a single seal in the same pump housing (with the addition of flush piping), upgrading the pump to handle more difficult fluids like sugar syrup or glue.

• Robust Drive: Features a strong drive mechanism to handle the viscous drag often associated with fluids requiring double seals.

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img of Alfa Laval Pump Mechanical Seal Shaft 45mm

Alfa Laval Pump Mechanical Seal Shaft 45mm

• Drive Ring Stability: The 45mm seal features a robust stainless steel drive ring that ensures positive torque transmission, critical for larger impeller loads.

• Spring Optimization: The wave spring design provides uniform face loading without the risk of clogging found in some coil spring designs.

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img of Carbon/Graphite Mechanical Seals for Alfa Laval Water Pump

Carbon/Graphite Mechanical Seals for Alfa Laval Water Pump

• Hygienic Carbon Grade: We use a resin-impregnated, FDA-approved carbon grade that is non-porous and easy to clean, unlike lower-grade industrial carbons.

• Thermal Stability: Carbon withstands the thermal shock of hot water and steam sterilization better than ceramic faces.

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img of Alfa Laval Rubber Mechanical Seal for Tullu Pump

Alfa Laval Rubber Mechanical Seal for Tullu Pump

Replacement Brand: Alfa Laval mechanical seal

Specification: MG1&MG9&MG12&MG13

Temperature: high temperature mechanical seal

Balance: Unbalanced

Type: Multi-Spring

Accreditation: ISO, SGS, UL, ROHS

Service: OEM/ODM

Origin: China

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img of Alfa Alumina/Ceramic Mechanical Seal for Vertical Pump

Alfa Alumina/Ceramic Mechanical Seal for Vertical Pump

• Face Flatness Stability: Vertical pumps can have shaft runout; our Alumina Ceramic seats are lapped to extreme flatness to maintain a seal even with minor shaft wobble.

• Thermal Conductivity: High-purity alumina dissipates heat generated by dry-running incidents (common in tank emptying) better than lower grade ceramics.

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img of Tungsten Carbide APV Mechanical Seal Replacement

Tungsten Carbide APV Mechanical Seal Replacement

This high-performance tungsten carbide mechanical seal is engineered as a direct OEM replacement for SPX APV mechanical seal models (W+, Puma, V2 series). Designed for extreme conditions, it upgrades standard ceramic or carbon seals with superior durability and chemical resistance.

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img of High Quality Mechanical Shaft Seals for APV Pump Systems

High Quality Mechanical Shaft Seals for APV Pump Systems

Mechanical shaft seals are engineered specifically for APV pump systems, delivering reliable sealing performance in demanding sanitary, food, beverage, and pharmaceutical applications. Designed to meet stringent hygienic and safety standards, these seals ensure zero leakage, easy cleanability, and long service life. 

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img of 30mm 32mm 35mm APV Pump Mechanical Seal Replacement

30mm 32mm 35mm APV Pump Mechanical Seal Replacement

This high-performance APV pump mechanical seal is engineered as a direct OEM replacement for SPX APV W+, V2, and World series pumps. Designed for sanitary applications, it provides a reliable, leak-free solution for food, dairy, and beverage processing.

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img of APV Mechanical Seal for 20mm 22mm 24mm 25mm 28mm Shafts

APV Mechanical Seal for 20mm 22mm 24mm 25mm 28mm Shafts

The APV mechanical seal is a high-performance, precision-engineered sealing solution designed specifically for APV sanitary centrifugal pumps and mixers in the food, dairy, beverage, and pharmaceutical industries. Engineered for reliability, this seal is available in five standard shaft diameters: 20mm, 22mm, 24mm, 25mm, and 28mm. Whether you need a mechanical seal 20mm for compact agitators or a mechanical seal 28mm for high-flow pumps, this product line offers a direct OEM replacement with superior material options.

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    Our company is specialized in the production of sealing materials, mechanical seals , cartridge seals.

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    Tell us your sealing requirements (working conditions, media, dimensions, etc.), and our engineers will provide a tailored solution and quote within 24 hours. Your inquiry is 100% confidential.
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