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

AES replacementAES replacement

AES replacement

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As a leading AES mechanical seal manufacturer, MiaoYu Seals specializes in producing premium AES cartridge seal replacements with full OEM compatibility. our AES replacement range covers the AESSEAL families distributors sell most: W01 / W02 elastomeric bellow seals for water, HVAC and light slurry; T01 / T03 / T04 / T06 PTFE-wedge seals for acid, solvent and crystallizing chemical duty; B07X compact single-spring pusher seals for general-purpose centrifugal pumps; P08 balanced O-ring pusher seal (John Crane R00 / Vulcan 95 equivalent) for broader industrial fluids; P09 multi-spring seal as a John Crane Type 9 interchange; W03 / W04 double-bellow cartridge seals for Roper / Viking gear pumps; plus CURC / CURE cartridge seals, CSS / CSSN heavy-duty slurry/chemical cartridges, and CDSA double cartridge seals for hazardous fluid containment. Shaft coverage spans 12–120 mm / ½"–4", with carbon, SiC, tungsten carbide faces and NBR / EPDM / FKM / PTFE secondary seals. Every unit is built to original envelope dimensions, hydraulically balanced where specified, 100% pressure- and run-out-tested, and engineered to drop into the existing pump with no modification.


Miaoyu is an OEM/ODM AES mechanical seal replacement manufacturer—not a trading company. We make mechanical seals, cartridge seals, and core materials including silicon carbide, tungsten carbide, and graphite, controlling design, CNC machining, face lapping, assembly, leak testing, and export packaging. For AES replacement programs this means factory-direct distributor pricing, no OEM markup, fast cross-reference from pump model / shaft size / media / temperature / pressure, private labeling, custom boxes, non-standard sizes, and material upgrades for chemical, slurry, or high-temperature service. With export experience across Europe, the Americas, the Middle East, and Southeast Asia and a 24-hour inquiry-response team, Miaoyu lets pump-parts importers and MRO suppliers run an AESSEAL-equivalent catalog that is cheaper to stock, faster to ship, and engineered to keep process pumps running.


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

Our AES mechanical seal replacement covers the full T0-series—T01, T03, T04, and multi-spring T06—engineered as a direct dimensional interchange for AESSEAL® T-series PTFE wedge seals. Designed for aggressive chemical services where elastomer O-rings fail, this AES T01 T03 T04 T06 mechanical seal replacement uses a pure PTFE wedge secondary seal with positive pin or setscrew drive to handle high breakaway torque. Available in standard shaft sizes from 1/2″ to 3″ (12–75mm) with Carbon/SiC/Tungsten Carbide face combinations and 316SS or Hastelloy® metal parts, it is widely specified for ANSI chemical pumps, acid transfer, solvent circulation, and pharmaceutical process lines requiring universal chemical resistance.
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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


This AES mechanical seal is a precision-engineered, drop-in pump mechanical seal replacement for the AESSEAL® B07X series—used widely in general-purpose centrifugal pumps handling water, coolants, light oils, and mild chemicals. Manufactured to original envelope dimensions with hydraulically balanced faces, our B07X replacement seal offers extended life in higher-pressure applications while eliminating the need for pump modification. 

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img of AES P08 Mechanical Seal, Vulcan 95, John Crane Type R00

AES P08 Mechanical Seal, Vulcan 95, John Crane Type R00

The AES P08 / John Crane Type R00 / Vulcan 95 is a globally standardized balanced pusher-type mechanical seal designed for general-purpose centrifugal pumps. It features an O-ring mounted design with a parallel spring, offering reliable performance for a wide range of industrial fluids. Operating Limits: Handles pressures up to 1.0 MPa and temperatures from -50°C to +200°C, with a maximum sliding speed of 20 m/s. Sizing: Available in standard shaft diameters from 20 mm to 120 mm (0.625\" to 4.0\"), making it a direct drop-in replacement for these OEM series.

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img of AES P09 Multi Spring Mechanical Seal to Replace Johncrane Type 9

AES P09 Multi Spring Mechanical Seal to Replace Johncrane Type 9

The AES P09 mechanical seal is a versatile, unbalanced multi-spring mechanical seal designed as a direct form-fit-function replacement for the John Crane Type 9 series. It is engineered for general-purpose centrifugal and process pumps handling water, oils, chemicals, and light hydrocarbons. With a standard operating range of -20°C to 250°C and pressures up to 1.2 MPa, it offers reliable performance and broad interchangeability across major OEM brands.

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img of AES W03 W04 Mechanical Seal for Roper Pump

AES W03 W04 Mechanical Seal for Roper Pump

The AES W03/W04 mechanical seal is a precision-engineered, double-bellow cartridge seal designed specifically for Roper and Viking external gear pumps. It features a compact working length to fit tight stuffing boxes and is built to handle high-viscosity fluids, aggressive chemicals, and demanding industrial applications with reliable bidirectional sealing performance.

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

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