A Y-clevis eye is a forged steel fitting used in overhead power transmission and distribution systems to connect insulator strings, conductors, and hardware such as yoke plates or suspension clamps. Its Y-shaped clevis with parallel arms and circular eye end accommodates pins or bolts for linkage in high-voltage suspension and dead-end assemblies requiring reliable load transfer.
The fitting provides high tensile strength to handle mechanical loads from conductor tension, wind, and vibration. Hot-dip galvanized finishes deliver corrosion resistance for outdoor durability, while standardized dimensions per American National Standards Institute (ANSI), International Electrotechnical Commission (IEC), or American Society for Testing and Materials (ASTM) specifications ensure compatibility with other line hardware, reducing maintenance costs and extending service life.
The Y-clevis eye maintains electrical insulation integrity and system reliability by providing a flexible joint that absorbs stresses from wind sway, galloping, and thermal expansion. A pin or bolt passes through aligned holes in the clevis arms to lock with mating components, while the eye end connects to shackles or insulator hardware. This arrangement allows slight angular movement, distributing mechanical forces evenly and preventing rigid connections that could cause insulator cracking or fitting failure during dynamic loads.
Premier Y-Clevis Eye Manufacturer
RaxPower, established in 2003 in Hebei Province, China, is the most trusted and leading manufacturer, supplier, and exporter of Y-Clevis Eye. With over 21 years of experience, we specialize in pole line hardware and utilize advanced manufacturing processes like hot forging, which gives the Y-Clevis Eye greater strength and accurate sizing.
Our 17,000 square meters of production workshops and 5,000 square meters of warehouses, supported by a team of over 170 skilled employees, enable precise manufacturing using supreme grade raw material and technologically advanced tools.
Strict quality controls are implemented at every step, including raw material selection and multi-stage testing, with products reviewed twice before packing to ensure 100% quality.
We offer the Y-Clevis Eye to customers within a given time frame at reasonable rates, with delivery guaranteed by our efficient systems. Our hot-dip galvanizing process ensures corrosion resistance with a mean coating thickness over 85 microns, and we perform load tests and gauges tests per IEC 120 standards, with products passing SGS tests.
Our high-quality Y-Clevis Eye are well recognized by customers worldwide for their durability and performance in various applications. Committed to establishing long-term and mutually profitable business relationships, we provide reliable service and support. Please contact us now. You will get our professional reply within 8 hours.
| Parameter | Value |
|---|---|
| Body Material | Forged Steel |
| Pin Material (Clevis) | Galvanized Steel |
| Cotter Pin Material | Stainless Steel |
| Finish | Hot-dip galvanized |
| Standards | ANSI, IEC, ASTM |
| Ultimate Strength (lb) | 40,000 |
| Eye Hole Diameter (in) | 0.688 – 0.813 |
| Coupling Length (in) | 2.813 |
| Weight (lb) | 1.96 |
| Width – Eye (in) | 1.125 |
Frequently Asked Questions (FAQS)
What is a Y-clevis eye and how does it function in overhead power lines?
A Y-clevis eye is a forged steel fitting that provides secure mechanical connections between insulator strings, conductors, and supporting structures in overhead power line construction. Its Y-shaped clevis arms accommodate a clevis pin, while the eye end links to shackles, yoke plates, or suspension clamps. The pin-clevis arrangement allows slight angular movement to absorb wind sway, conductor galloping, and thermal expansion, preventing rigid connections that could damage insulators while maintaining insulation chain integrity and ensuring reliable power transmission.
What materials and protective finishes are used?
Y-clevis eyes are manufactured from high-tensile forged carbon steel, alloy steel, or ductile iron, with hot-dip galvanized finish for superior corrosion resistance. Some variants use stainless steel for enhanced durability in harsh environments. The galvanization provides long-term protection against environmental stresses.
What types and variants are available?
Common types include standard Y-clevis eyes for general suspension and dead-end applications, heavy-duty versions for extra-high-voltage lines, ball and Y-clevis joints for greater angular movement, extended arm designs for special clearance needs, and utility-specific custom variants tailored to unique project requirements.
What standards and quality assurances do your Y-clevis eyes meet?
Our Y-clevis eyes are manufactured to ANSI, IEC, and ASTM specifications, ensuring compatibility and interchangeability across transmission systems. We employ hot forging technology for superior strength and accurate sizing, coupled with multi-stage quality testing including load and gauge tests. Our products exceed Charpy impact level requirements and are rated for heavy mechanical loads, guaranteeing reliability in demanding utility grid environments.
What installation and maintenance practices ensure optimal performance?
Select the correct dimensions and load rating based on conductor size and environmental conditions. Use standardized and certified hardware, ensure proper alignment during installation, and apply corrosion protection as needed. Conduct regular inspections to verify connection integrity and maintain safety and longevity throughout the service life.
How do you handle customization and large-volume orders?
We offer both standard and customized designs with variations in dimensions, materials, and finishes to meet specific application needs. Our automated manufacturing processes, strict quality controls, and large warehouse capacity enable efficient production and on-time delivery for bulk orders. We provide competitive project-based pricing and guarantee timely shipment to meet tight project deadlines.
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