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Precision-Fit Sealing Collar for Concrete Mixer Main Shaft
US$60.00-78.00
80 Pieces
Product profile
Structure
Single EndPressure
High Pressure Mechanical SealsSpeed
General Speed Mechanical SealModel NO.
Shaft head sealTemperature
High Temperature Mechanical SealPerformance
High PressureHRC
60-78Transport Package
Fumigation Wooden CaseSpecification
1-6stereOrigin
ChinaHS Code
8474900000Production Capacity
70000pieces/YearKey features
High-Strength Alloy Construction: Constructed from high-strength alloy steel and wear-resistant rubber/PTFE for superior durability.
Leak-Proof Performance: Effectively blocks concrete slurry, water, and dust while preventing lubricating grease leakage.
Precision Split Collar Design: Ensures secure fit and easy maintenance with precision-machined split collar and AB rings.
Customizable Dimensions: Available in standard sizes (60mm-200mm) with full customization options for non-standard shafts.
Comprehensive Installation Support: Includes detailed step-by-step guides and technical support via email or WhatsApp.
Flexible MOQ Options: Supports small trial orders with MOQ of 10 sets for standard sizes and 50 for custom sizes.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤18h
AI-Powered supplier vetting
SummaryThe supplier is a professional manufacturer and processor of construction machinery, accessories, cutting molds, machine tools, and mechanical parts for mining and metallurgy. It operates a 13,000 m² manufacturing plant with three production lines and equipment including automatic casting, CNC, milling, and painting machinery. Customization is supported across samples, designs, full customization, minor customization, and flexible customization, with ODM and OEM capability stated. Quality controls include 100% finished-product inspection and six quality personnel, but service-management procedures, corrective-action records, complaint-handling procedures, warehouse-control documentation, and management-system certifications were not found. The supplier does not provide 3D software design, SDKs, overseas facilities, or offline trade-show participation. Financial evidence is insufficient for a positive credibility assessment.
Supplier typeThe supplier identifies itself as a professional technical supplier and its business scope covers production and sales of construction machinery, accessories, cutting molds, machine tools, and mechanical parts for mining and metallurgy. Its commercial activity is classified as manufacturing and processing machinery, supported by a stated 13,000 m² manufacturing plant.
CertificationsThe supplier-management-system certification status is explicitly recorded as NIL. No certification holding is evidenced in the provided slices.
After-Sales capabilityOne R&D engineer is responsible for product research and development as well as after-sales service, and ODM service is available. However, no written procedures or records were found for supplier service assessment, corrective and preventive actions, or effective customer-complaint handling, so the overall after-sales system is not demonstrated.
Financial creditThe slices provide limited historical financial data, including operating revenue for 2024 and 2023, but the figures are not sufficient to establish financial strength or stability. Reported gross profit and operating profit are both zero in the 2024 data, which is an explicit negative indicator.
R&D capabilityThe supplier has one R&D engineer and provides ODM services, while the engineer handles product R&D and after-sales service. Nevertheless, no new products were reported during the past year, and the supplier lacks 3D software design capability and an available SDK, indicating limited evidenced innovation resources.
Production capacityProduction capability is supported by three production lines, a 13,000 m² plant, and automatic casting, CNC, milling, and painting equipment. The supplier also reports 100% finished-product inspection, although the stated inspection method is checking by packing staff, and the available information does not establish broader process-control maturity.
Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM and OEM capability, although it does not provide 3D software design services.
Product Q&A
Q:What is the main purpose of these concrete mixer shaft seals?
A:
These seals are core components for the mixer's shaft end, designed to prevent concrete slurry from entering the bearing housing and block lubricating grease from leaking out. They protect the mixer's main shaft and bearings from abrasive wear, ensuring long-term stable operation of the mixing system.
Q:Which concrete mixer models are these seals compatible with?
A:
Our alloy sealing rings and collars are engineered to fit most mainstream twin-shaft concrete mixers, including models from common international brands. We offer standard sizes (customizable upon request) for shaft diameters ranging from 60mm to 200mm. Please provide your mixer model, shaft size, and part number for a precise match.
Q:What materials are these seals made of?
A:
The main components are high-strength alloy steel (for the sealing rings and collars) paired with wear-resistant rubber/PTFE elements. The alloy body provides excellent resistance to impact and abrasion from concrete aggregates, while the sealing components maintain a tight, leak-proof fit even under high-load mixing conditions.
Q:What causes seal failure in concrete mixers, and how can these seals prevent it?
A:
The most common causes of failure are abrasive concrete slurry intrusion, insufficient lubrication pressure, and high-temperature wear. Our AB ring design creates a multi-stage sealing barrier to block slurry entry, while the precision-machined alloy surfaces reduce friction and wear. Regular greasing (per the mixer's maintenance schedule) will maximize their lifespan.
Q:Do these seals come with installation instructions?
A:
Yes. Each order includes a detailed installation guide with step-by-step instructions for assembly, alignment, and torque specifications. We also provide technical support via email/WhatsApp for complex installations.
Send Inquiry
*To:Huachuang Maanshan Construction Machinery Co., Ltd
*Content:
Supplier replies will be sent to your registered email
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