Bernard MIG Nozzle / Shroud 4391 Conical – 2 Pack for 300amp Torches

Especificaciones básicas

Número de pieza

4391 (UNIMIG:

)

Compatibilidad

Material

Cobre Resistente a Altas Temperaturas

Clasificación de Amperaje

200-300A

Cantidad

2 Paquete

Longitud

67mm

Diámetro Exterior de la Boquilla

22mm

Diámetro de la Base

16mm

Diseño

Cónico, Slip-On

Aplicación

Descripción del Producto

Engineered for professional welders, this Bernard-style 4391 conical nozzle pack delivers superior performance in high-amperage applications. Crafted from extreme heat-resistant copper, these nozzles outlast OEM alternatives while maintaining precise gas shielding for clean, consistent welds. The slip-on design ensures quick¸ü»», minimizing downtime during critical projects.

Beneficios Clave

? 300A amperage capacity handles demanding welding tasks
? Heavy-duty copper construction resists warping under extreme heat
? Compatible with Bernard 300amp torches and Q/S-Gun series
? 2-pack value provides cost-effective inventory management
? Tapered design optimizes gas flow for superior arc stability

Aplicaciones

Ideal for industrial MIG welding operations including:
– Heavy machinery fabrication
– Automotive repair
– Construction steelwork
– Mixed gas welding processes
– High-heat manufacturing environments

Ventaja de Rendimiento

Our nozzles maintain 20% longer service life compared to standard brass alternatives. The precision-machined 22mm diameter ensures consistent gas coverage, reducing spatter and improving weld quality. The 67mm length provides optimal operator visibility while protecting the torch from spatter buildup.

Aseguramiento de Calidad

Each nozzle undergoesÑϸñµÄ pressure testing and dimensional inspection. Manufactured in ISO 9001-certified facilities, our products meet international welding equipment standards, ensuring reliable performance in professional settings.

¿Por qué elegir nuestras boquillas?

? 3x more durable than OEM brass nozzles
? Specifically engineered for Bernard torch compatibility
? Optimized for mixed gas applications (Ar/CO?)
? Precision-machined dimensions for perfect fit
? Factory-direct pricing with bulk order discounts

Preguntas Frecuentes

Q: Will these fit my Bernard Q-Gun 300?
A: Yes, designed specifically for Bernard 300amp torches including Q-Gun and S-Gun series.

Q: What gas mixtures work best?
A: Optimized for Ar/CO? mixes commonly used in industrial MIG welding.

Q: How often should I replace the nozzle?
A: Under normal 300A operation, expect 2-3x longer life than standard brass nozzles.

Q: Is this compatible with aluminum welding?
A: Yes, suitable for all metal types when used with appropriate wire and gas.

Interested in bulk pricing or technical specifications? Contact our welding specialists for personalized recommendations and quick delivery options.