Stainless Steel Plastic Eviscerating Shackle for Poultry Processing Line

Product Overview – The Hybrid Advantage for Evisceration Excellence

The ZYRP-PSSK1021 poultry eviscerating shackle represents a sophisticated hybrid approach to poultry processing hardware, combining the structural integrity of a food-grade 304 stainless steel shackle with the lightweight, carcass-friendly characteristics of an engineering plastic outer shell. This hybrid evisceration hanger is purpose-designed for the demanding environment of automated broiler and chicken evisceration lines, where shackles must withstand repetitive high-cycle loading while minimizing the risk of carcass bruising, scratching, or tissue damage. Unlike all-metal shackles that can cause micro-abrasions and stress marks on the bird's skin, or all-plastic designs that may lack the long-term structural rigidity for heavy-duty applications, the ZYRP-PSSK1021 offers the optimal balance—steel where strength is needed, plastic where contact and weight matter.

The CE-certified slaughterhouse equipment shackle features a precision-formed 304 stainless steel core that provides exceptional load-bearing capacity, fatigue resistance, and dimensional stability under the dynamic forces of high-speed evisceration operations. This steel frame is overmolded with a high-performance engineering plastic shell that covers all bird-contact surfaces, creating a smooth, non-abrasive interface that protects carcass quality. The plastic shell also reduces the overall weight of the shackle by approximately 30–35% compared to all-steel alternatives, lowering conveyor chain tension and contributing to measurable energy savings. As a cost-effective poultry processing line spare parts solution, the ZYRP-PSSK1021 is fully compatible with standard overhead rail and shackle mounting systems, serving as a drop-in replacement for major OEM brands. Available in custom configurations and backed by CE, RoHS, and SGS certifications, this hybrid shackle offers poultry processors a durable, hygienic, and performance-optimized alternative to traditional all-metal or all-plastic options.

Hybrid Construction – The Rationale Behind Steel + Plastic

The engineering philosophy behind the ZYRP-PSSK1021 is rooted in the principle of placing the right material where it delivers the greatest value. The food-grade 304 stainless steel shackle core provides the structural backbone—with a tensile strength exceeding 520 MPa and a yield strength of over 200 MPa, it withstands the repetitive loading cycles of continuous evisceration operations without permanent deformation or fatigue cracking. The steel frame's dimensional stability ensures that the shackle's critical geometry—including the hook opening, rail engagement lug, and mounting interface—remains consistent over millions of cycles, maintaining the precise positioning that automated evisceration tools require. In parallel, the engineering plastic shell that encases the steel core serves multiple vital functions. It creates a physical barrier between the steel and the bird, eliminating metal-to-carcass contact and the associated risk of bruising or scratching. The plastic's smooth, non-porous surface also resists the adhesion of fats and proteins, simplifying cleaning and reducing the potential for bacterial biofilm formation. The hybrid evisceration hanger thus delivers the load capacity of steel with the gentle handling characteristics of plastic—a combination that no single-material solution can fully achieve.

Material-Specific Benefits – 304 Stainless Steel Core

The stainless steel component of the ZYRP-PSSK1021 poultry eviscerating shackle is manufactured from food-grade 304 stainless steel—a material globally recognized for its exceptional corrosion resistance, even in the aggressive chemical environment of poultry slaughterhouses. The steel resists pitting from chlorides, withstands exposure to peracetic acid and sodium hypochlorite sanitizers, and maintains its mechanical properties after thousands of high-temperature washdown cycles. The precision-formed steel frame incorporates reinforcing ribs at stress concentration points, such as the hook curve and the rail-engagement lug, ensuring that the food-grade 304 stainless steel shackle maintains its structural integrity even under the occasional overload conditions that can occur during line startups or product jams. The steel's inherent stiffness also ensures that the shackle does not flex or deflect under load, preserving the consistent bird positioning that is critical for automated evisceration tools. This structural reliability makes the ZYRP-PSSK1021 a trusted choice for CE-certified slaughterhouse equipment applications where downtime from broken or deformed shackles is unacceptable. The stainless steel core is also fully recyclable at the end of its service life, supporting the sustainability goals of environmentally conscious processing facilities.

Material-Specific Benefits – Engineering Plastic Shell

The engineering plastic shell of the ZYRP-PSSK1021 hybrid evisceration hanger is injection-molded from a specialized PA/nylon formulation that offers an optimal balance of durability, low friction, and chemical resistance. The plastic covers all surfaces that come into contact with the poultry carcass, creating a smooth, rounded interface that eliminates the point-loading and abrasion associated with sharp-edged metal hooks. This gentle contact is particularly beneficial during the evisceration stage, where the bird's abdominal wall is open and susceptible to tearing—a damage that can lead to contamination or yield loss. The plastic's low coefficient of friction (0.12–0.15 against the bird's skin) reduces the force required to secure and release the bird, contributing to smoother loading and unloading operations. The material's resistance to hydrolysis and chemical attack ensures that the poultry eviscerating shackle maintains its surface quality and dimensional accuracy even after years of exposure to hot water, alkaline detergents, and acid sanitizers.

Weight Optimization and Operational Efficiency

The 30–35% weight reduction of the ZYRP-PSSK1021 compared to all-steel shackles produces tangible operational benefits that extend beyond simple conveyor load reduction. For a typical evisceration line operating 2,500 shackles, the cumulative weight saving exceeds 800 kilograms—a reduction that lowers the drive motor torque requirement by 8–10%, translating to annual energy savings of $2,000–3,000 per line. The reduced mass also decreases the inertial forces during stop-start indexing operations, extending the service life of conveyor chains, sprockets, and brake components. The lighter poultry processing line spare parts shackle is also easier for operators to handle during maintenance and cleaning, reducing the physical strain on maintenance teams and shortening changeover times. The plastic shell's lower thermal conductivity compared to steel also means that the shackle remains cooler to the touch after exposure to scalding zones—a small but meaningful operator safety benefit. This combination of energy savings, extended equipment life, and improved ergonomics makes the ZYRP-PSSK1021 a strategically valuable component for processors seeking to optimize both operational and financial performance.

Applications – Versatile Deployment Across Processing Environments

• Broiler & Chicken Evisceration Lines: Primary application where the hybrid design minimizes carcass damage while providing the structural durability for high-speed automated systems.
• Poultry Slaughter & Processing Plants: Suitable for conventional, halal, and kosher processing facilities requiring rigorous sanitation and quality standards.
• Automated Overhead Conveyor Systems: The consistent dimensions and hybrid construction support precise automation and high-frequency indexing operations.
• Halal & Standard Processing Facilities: The corrosion-resistant steel and hygienic plastic surfaces support the stringent cleaning protocols required for religious certification.
• Replacement Parts & Line Retrofitting Projects: As a cost-effective poultry processing line spare parts solution, enables systematic upgrades with minimal line disruption.

Quality Assurance and Compliance – Certified for Global Markets

Each ZYRP-PSSK1021 is manufactured under rigorous quality control aligned with international standards. The food-grade 304 stainless steel shackle core is sourced from certified suppliers with full material traceability, while the engineering plastic is verified for food-contact compliance under FDA 21 CFR 177.1500. The hybrid assembly undergoes 100% dimensional verification to ensure that the steel core and plastic shell maintain proper alignment and fit—critical for consistent hook geometry and rail engagement. Random samples from each batch are subjected to dynamic load testing and accelerated fatigue testing, confirming structural integrity and performance consistency. CE certification confirms conformity with EU safety directives, while RoHS and SGS certifications validate environmental and material safety standards. As a trusted supplier of CE-certified slaughterhouse equipment, ZYRP provides full batch traceability documentation with each shipment, supporting facility audits and regulatory inspections. With a minimum order quantity of 500 pieces and comprehensive customization options, the ZYRP-PSSK1021 offers poultry processors a reliable, high-performance, and certified alternative to proprietary OEM shackles.

Summary – The Optimal Hybrid Solution for Evisceration Lines

The ZYRP-PSSK1021 poultry eviscerating shackle delivers the best of both material worlds—the strength and durability of a food-grade 304 stainless steel shackle combined with the gentle contact and lightweight benefits of an engineering plastic shell. This hybrid evisceration hanger protects carcass quality, reduces conveyor load, and withstands the aggressive conditions of poultry processing, all while offering the cost advantages of a competitive poultry processing line spare parts alternative. As a CE-certified slaughterhouse equipment component from a full-range supplier, the ZYRP-PSSK1021 provides poultry processors with a reliable, hygienic, and performance-optimized solution for modern evisceration operations.