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Coup-Link Ld2 Flexible Double Diaphragm Coupling D20L30 for Construction Machinery & Pumps-S
US$2.80-57.00
1 Set
Sample price:US$30.00/set.Request sample
Product profile
Customization
AvailableStandard Or Nonstandard
StandardShaft Hole
3mm-65mmTorque
0.5nm-1040nmBore Diameter
3mm-65mm CustomizedSpeed
5000r/Min-18000r/MinStructure
FlexibleMaterial
AluminumType
Diaphragm CouplingSurface
Blackening and Rust Prevention TreatmentShaft Hole Type
Ordinary Hole, Tapered Hole, Keyway Hole, Gear HolInstallation Method
Keyway Connection, Clamping Type, Expansion SleeveOptional Materials
Aluminum AlloyTransport Package
Carton or Wooden CrateSpecification
GLF21-GFL55Trademark
BinHaoOrigin
Hebei ChinaHS Code
8483600090Production Capacity
3000000Key features
High-Speed Stability: Zero rotational clearance and high concentricity ensure smooth operation at speeds up to 18000r/Min.
Durable Material Options: Available in Aluminum or 45# Steel with blackening treatment for corrosion and wear resistance.
Flexible Customization: Customizable bore diameter (3-65mm), shaft hole types, and surface treatments to fit specific needs.
Easy Maintenance: Simple structure allows for easy disassembly and assembly, significantly saving labor time.
Vibration Damping: Equipped with high-quality polyurethane elastic pads for good elasticity and anti-buffering performance.
Proven Manufacturer: 10 years of R&D focus, ISO9001 certified, with an annual capacity of 3 million sets.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Designs, Full Customization, etc. CertifiedExport Year: 4 years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤3.38h
AI-Powered supplier vetting
SummaryThe supplier is a limited trading company in Xingtai, Hebei, associated with manufacturing-sector companies and offering a broad range of couplings. It reports ISO 9001 certification, five production lines, stated coupling output of 3,000,000 sets, 133 employees, and fewer than five quality-control staff. Customization and ODM services are available, supported by CAD and Photoshop capabilities and 13 R&D patents, but no new products were reported in the past year, no SDK is available, and key R&D documentation is absent. Service governance is weak: no written procedures or records were provided for service assessment, corrective actions, or complaint handling. The supplier has in-stock capacity and self-operated import/export rights, but no overseas warehouse, showroom, or overseas service-country coverage. Financial evidence is limited to referenced years and cannot establish credibility. No customer cases were provided.
CertificationsThe supplier reports holding ISO 9001 certification. The provided information does not include the certificate number, validity period, scope, or issuing body, but it is explicit evidence of a management-system certification.
After-Sales capabilityAfter-sales and service-management controls appear weak because no written procedures or records were provided for service assessment, corrective and preventive actions, or complaint handling. The supplier has in-stock capacity and self-operated import/export rights, but lacks overseas warehouses, overseas showrooms, and overseas service-country coverage.
Production capacityThe supplier reports five production lines, 133 employees, and coupling output of 3,000,000 sets, with in-stock service capacity. However, there is no valid contract between the factory and its related subcontractor, which creates a documented manufacturing-governance deficiency.
Customization capabilityThe supplier explicitly provides customization from designs, full customization, minor customization, flexible customization, and ODM services. Its R&D engineers are responsible for customizing products to customer needs, although the absence of available R&D audit documentation limits verification of the underlying development process.
Product Q&A
Q:What materials are available for this coupling?
A:
The coupling is available in Aluminum and 45# Steel. The steel version features a black oxide layer for protection.
Q:Can the bore diameter be customized?
A:
Yes, the bore diameter is customizable within the range of 3mm to 65mm to suit your specific shaft requirements.
Q:What is the maximum speed this coupling can handle?
A:
The coupling supports speeds ranging from 5000r/Min to 18000r/Min, ensuring stability at high speeds.
Q:What is the minimum order quantity?
A:
The minimum order quantity is 1 set, allowing for small quantity orders.
Q:What are the payment terms?
A:
The accepted payment term is T/T (Telegraphic Transfer).
Send Inquiry
*To:
JULU BINHAO TRANSMISSION EQUIPMENT CO., LTD.
JULU BINHAO TRANSMISSION EQUIPMENT CO., LTD.*Content:
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