1/8" Orifice – Blast Gun Orifice Insert – Abrasive Blasting Replacement – Replaces Clemco 12342

Model: 1701-290
Category: Abrasive Blasting Equipment → Blast Gun Components
Type: Orifice Insert (Air Jet)

The 1/8" Orifice Insert (1701-290) is a precision airflow component designed for blast gun assemblies, controlling the air and abrasive mixture to deliver consistent and efficient blasting performance.

Key Features & Benefits

• Precision 1/8" orifice for increased airflow
• Ideal for medium CFM blasting systems
• Maintains proper air-to-media ratio
• Supports stronger blasting performance vs smaller orifices
• Durable construction for long service life
• Direct replacement for Clemco 12342

Technical Specifications

• Model: 1701-290
• Type: Orifice Insert (Air Jet)
• Orifice Size: 1/8"
• Application: Abrasive Blasting
• Weight: 0.20 lbs
• Condition: New

OEM Compatibility

• Clemco Industries / Aerolyte Systems / Zero Products – Part #12342
• Blast-It-All – Part #20-064

Typical Applications

• Blast cabinet gun assemblies
• Medium CFM abrasive blasting systems
• General-purpose blasting and surface prep
• Replacement for worn or clogged orifice inserts
• Equipment maintenance and rebuilds

Performance Benefits

• Increases airflow for more aggressive blasting
• Maintains consistent blasting pattern and efficiency
• Supports improved material removal rates
• Balances performance with air consumption
• Enhances overall system productivity

Setup & Adjustment

• Air Jet Setting Recommendation:
  Adjust to 3–4 threads visible behind the nut for optimal performance

This ensures:

• Proper air-to-media ratio
• Consistent blasting output
• Efficient airflow without restriction

Compatibility & Notes

• Match orifice size to your system’s CFM capacity and nozzle size
• Designed for use with compatible blast gun assemblies
• Replace when worn to maintain optimal performance