Bernard MIG Nozzle / Shroud 4391 Conical – 10 Pack for 300amp Torches

Upgrade your welding performance with the Bernard 4391 Conical MIG Nozzle, a premium 10-pack solution designed for heavy-duty 300amp torches. Engineered for extreme heat resistance and durability, this nozzle ensures consistent arc stability and extended service life in high-amperage mixed gas applications.

Especificaciones básicas

Número de pieza

Compatibilidad

Material

Cobre Resistente a Altas Temperaturas

Clasificación de Amperaje

Cantidad

Paquete de 10

Longitud

67mm

Diámetro Exterior

22mm

Diámetro de la Base

16mm

UNIMIG Parte #

Construcción

Beneficios Clave

• Superior Durability: 30% longer lifespan than OEM nozzles due to reinforced copper construction
• Heat Resistance: Withstands 200-300A high-heat environments without deformation
• Precision Fit: Standard slip-on design ensures secure attachment to Bernard torches
• Cost-Effective: 10-pack value reduces replacement frequency and operational costs
• Versatile Application: Optimized for mixed gas welding processes in industrial settings

Aplicaciones

Ideal for heavy industrial welding operations including automotive manufacturing, construction, shipbuilding, and metal fabrication. Perfect for continuous-duty applications requiring consistent performance under high heat conditions.

Pruebas de Rendimiento

Independent lab tests confirm: 500+ weld cycles at 300A without performance degradation, 40% better thermal conductivity than standard brass nozzles, and maintained dimensional stability at 1200¡ãF (648¡ãC) operating temperature.

Aseguramiento de Calidad

Manufactured to ISO 9001 standards with 100% inspection. Each nozzle undergoes pressure testing and dimensional verification to ensure compatibility with Bernard torch systems.

¿Por qué elegir nuestras boquillas?

Unlike generic alternatives, our Bernard-compatible nozzles feature precision-machined tolerances (¡À0.02mm) and proprietary copper alloy formulation, delivering 27% more arc stability and 35% less spatter accumulation during extended welding sessions.

Preguntas Frecuentes

• Q: Will this fit non-Bernard torches?
  A: Designed specifically for Bernard 300amp Q-Gun? and S-Gun? series torches
• Q: What gas mixtures is this suitable for?
  A: Optimized for Ar/CO?, Ar/O?, and tri-mix shielding gases
• Q: How often should nozzles be replaced?
  A: Under normal 300A operation, expect 2-3x longer service life than standard nozzles

Ready to enhance your welding efficiency? Contact our technical team for bulk pricing, compatibility verification, or application-specific recommendations. Request a quote today and experience the difference in industrial-grade welding accessories.