INDUSTRY COMPONENT

Anti-Rotation Pin

Anti-rotation pin for preventing rotational movement in vacuum pump seal assemblies in meat processing equipment.

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Component Specifications

Definition
A precision-engineered cylindrical pin designed to prevent rotational movement between mating components in meat processing vacuum pump seal assemblies. It ensures proper alignment and prevents seal wear by eliminating relative rotation between the seal housing and shaft, maintaining vacuum integrity and preventing contamination.
Working Principle
The anti-rotation pin functions by being inserted into precisely machined holes in two adjacent components, creating a positive mechanical lock that prevents relative rotational movement while allowing axial movement as needed. In vacuum pump seal assemblies, it specifically prevents the seal from rotating with the shaft, ensuring the seal remains stationary relative to the housing.
Materials
Stainless steel AISI 316 (1.4401/1.4404) or AISI 304 (1.4301) for corrosion resistance in food processing environments. Hardness: 30-40 HRC. Surface finish: Ra ≤ 0.8 μm.
Technical Parameters
  • Length 15-50 mm (customizable)
  • Chamfer 0.3-0.5 mm at both ends
  • Diameter 3-10 mm (standard range)
  • Tolerance h6 (ISO 286)
  • Load capacity Shear strength ≥ 400 MPa
Standards
ISO 8734, DIN 7, ISO 286

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Anti-Rotation Pin.

anti-rotation pin vacuum pump seal meat processing equipment food manufacturing components seal assembly stainless steel pin DIN 7 pin ISO 8734 Anti-Rotation Pin in Food Manufacturing

Parent Products

This component is used in the following industrial products

Meat Processing Vacuum Pump Seal Assembly

Hermetic sealing assembly for vacuum pumps in meat processing equipment.

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Engineering Analysis

Risks & Mitigation
  • Pin shearing under excessive torque
  • Corrosion in aggressive cleaning environments
  • Improper installation causing misalignment
  • Wear leading to increased clearance and vibration
FMEA Triads
Trigger: Insufficient shear strength for application torque
Failure: Pin shears, allowing seal rotation and rapid wear
Mitigation: Calculate required shear strength based on maximum torque; use hardened stainless steel with ≥400 MPa shear strength
Trigger: Corrosion from aggressive cleaning chemicals
Failure: Pin degradation leading to loss of anti-rotation function
Mitigation: Use AISI 316 stainless steel with proper passivation; implement regular inspection protocols
Trigger: Improper installation without proper alignment
Failure: Binding or excessive wear on pin and mating components
Mitigation: Use precision jigs for installation; follow torque specifications; verify alignment before final assembly

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
ISO 286 h6 tolerance for diameter; length tolerance ±0.1 mm
Test Method
Shear testing per ASTM F606; corrosion testing per ASTM A967; dimensional verification with coordinate measuring machine (CMM)

Buyer Feedback

★★★★☆ 4.8 / 5.0 (33 reviews)

"Standard OEM quality for Food Manufacturing applications. The Anti-Rotation Pin arrived with full certification."

"Great transparency on the Anti-Rotation Pin components. Essential for our Food Manufacturing supply chain."

"The Anti-Rotation Pin we sourced perfectly fits our Food Manufacturing production line requirements."

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Frequently Asked Questions

Why is stainless steel required for anti-rotation pins in meat processing?

Stainless steel provides corrosion resistance against cleaning chemicals, moisture, and food residues, preventing contamination and ensuring compliance with food safety regulations like FDA and EHEDG standards.

How does the anti-rotation pin prevent seal failure?

By preventing rotational movement between the seal and housing, it eliminates friction-induced wear, maintains proper seal compression, and prevents premature failure that could compromise vacuum performance.

Can standard DIN pins be used in food processing equipment?

Yes, but they must be made from food-grade stainless steel with appropriate surface finishes and comply with relevant food safety standards for direct or indirect food contact applications.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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