Dry Ice Blasting Nozzle Guide

Air comes from the compressor, dry ice from the blaster, and both travel through the hose to the gun. The nozzle is the last piece. If the compressor is diesel, the rental also needs an air dryer.

A long straight 323S1 nozzle with a flat metal end. — Straight
Flat end. The blast leaves in a line when you can face the surface. A smaller end is for when you need more power. This photo is a 323S1.

A shorter straight 312S1 nozzle with a slotted tip. — Straight, shorter
Same flat end, in a shorter body. The slot at the tip is the opening. This photo is a 312S1.

A 23 inch 523S3 nozzle with a wide flat end. — Wider
Use a wider nozzle when what you are blasting comes off really quickly. This photo is a 523S3, 23 inches long, with a 3 inch end.

A 523M1 MERN nozzle with a tip that slants front to back. — MERN
The tip slants front to back. This photo is a 523M1: 5 series, 23 inches, with a 1 inch end. A 5 series nozzle uses more air.

A variable 508V.8 nozzle with a round adjustment dial. — Variable
The round dial breaks the dry ice into smaller particles, so the blast is more delicate. This photo is a 508V.8. The drawings below are the variable nozzles you can choose, including the 523V4.

A metal nozzle extension tube with threaded fittings. — Extension
This tube adds reach past the gun. It does not change the end. Extension nozzles are 1 foot long and can be linked together.

Straight

Flat end. The blast leaves in a line. A smaller end is for when you need more power. A wider end is for when what you are blasting comes off really quickly.

MERN

M is a MERN end. The tip slants front to back.

Variable

The round part is the adjustment. It breaks the dry ice for a more delicate blast. A smaller end is for when you need more power. A wider end is for when what you are blasting comes off really quickly.