The nozzle is the "muzzle" of a dry ice blaster and one of the most critical components of the entire cleaning system. It directly determines the speed, angle, coverage, and cleaning performance of the dry ice particles being ejected. The quality of the nozzle has a direct impact on cleaning efficiency and results. Each model of dry ice blaster is equipped with a designated nozzle type. If the nozzle is lost or damaged, it is highly recommended to purchase the original factory-specified replacement nozzle.

Commonly used nozzle list

Part Number	Specifications	Thread	Ice outlet size	Applicable models	pictures
YJ.DG001	POM Round nozzle,D20*150mm	G 3/8"	D4mm	YJ-04(Standard)
YJ.DG008	POM Flat nozzle,1733218mm	G 3/8"	L20*W2mm	YJ-04(Standard)
YJ.DG003	POM Round nozzle,D18*150mm	M14-1.5 pitch	D4mm	YJ-04(Standard) Handheld gun with light
YJ.DG060	POM Flat nozzle,1603218mm	M14-1.5 pitch	L20*W2mm	YJ-04(Standard) Handheld gun with light
YJ.DG011	POM Round nozzle,D20*220mm	G 3/8"	D4mm	YJ-04(Optional)
YJ.DG004	Aluminum alloy round nozzle, D20*150mm	G 3/8"	D4mm	YJ-04(Optional)
YJ.DG013	Aluminum alloy flat nozzle,3518175mm	G 3/8"	L12*W2mm	YJ-04(Optional)
YJ.DG013	Aluminum alloy flat nozzle,3518175mm	G 3/8"	L12*W2mm	YJ-04(Optional)
YJ.DG015	Aluminum alloy flat nozzle,301896mm	G 3/8"	L20*W2mm	YJ-04(Optional)
YJ.DG06.001	POM Round nozzle,D20*150mm	G 3/8"	D5mm	YJ-06(Standard)
YJ.DG.06.002	POM Round nozzle,D18*150mm	M14-1.5 pitch	D5mm	YJ-06(Standard) Handheld gun with light
YJ.DG.06.003	POM Flat nozzle,1603218mm, Air Inlet 5mm	M14-1.5 pitch	L20*W3mm	YJ-06(Standard) Handheld gun with light
YJ.DG11.001	POM Round nozzle,D20*150mm	G 3/8"	D6mm	YJ-11(Standard)
YJ.DG.11.002	POM Round nozzle,D18*150mm	M14-1.5 pitch	D6mm	YJ-11(Standard) Handheld gun with light
YJ.DG.11.004	POM Flat nozzle,1603218mm, Air Inlet 5mm	M14-1.5 pitch	L20*W3mm	YJ-11(Standard) Handheld gun with light
YJ.DG.06.11.001	POM Flat nozzle,1733218mm	G 3/8"	L20*W3mm	YJ-06 & YJ-11(Standard)
YJ.DG.06.11.012	Aluminum alloy flat nozzle,3518175mm	G 3/8"	L20*W3mm	YJ-06 & YJ-11(Optional)
YJ.DG.06.11.014	Aluminum alloy flat nozzle,301896mm	G 3/8"	L20*W3mm	YJ-06 & YJ-11(Optional)
YJ.DG09.001	Aluminum alloy flat nozzle,29014050mm	Buckle	L40*W5mm	YJ-09(Standard)
YJ.DG09.002	Aluminum alloy round nozzle, length 590mm		D85mm	YJ-09(Standard)
YJ.DG007	POM Round nozzle,D20*80mm	G 3/8"	D4mm	YJ-04-B(Standard)
YJ.DG009	POM Flat nozzle,1102018mm	G 3/8"	L12*W2mm	YJ-04-B(Standard)

FAQ

Q: How to properly install a dry ice blasting nozzle?

A: The following steps should be followed for installation:

• Turn off the gas source and dry ice blasting machine.

• Use a special wrench or gloves to remove the old nozzle (avoid direct contact with your hands)

• Align the thread and tighten it clockwise (torque is controlled at 25-30N·m)

• Perform a low-pressure test (0.3MPa) for 1-3 minutes.

Q: What is the optimal operating pressure for POM nozzles?

A: Recommended working pressure range: conventional cleaning: 0.6-0.8MPa, stubborn stains: 0.8-1.2MPa (no more than 2 hours), precision parts: 0.4-0.6MPa. Too high pressure will shorten the nozzle life by more than 30%.

Q: How to deal with nozzle blockage?

A: In case of mild blockage, turn on the blow switch of the dry ice cleaning machine and blow for 1-3 minutes. In case of moderate blockage, you can stop working for 5-10 minutes to let the ice melt by itself. In case of severe blockage, please use tools to dredge or replace the nozzle.

Q: How to judge whether the nozzle needs to be replaced?

A: The dry ice pump should be replaced immediately if the following conditions occur: ice output speed drops by >15%, spray angle deviation is >5°, visible wear pits appear on the surface, or dry ice consumption suddenly increases by 20%.

Q: What are the precautions when using the nozzle?

A: Lubricate the threads regularly (once a week is recommended), use dry and clean compressed air, do not hit the nozzle, and do not disassemble the low-temperature nozzle with bare hands.

Q: Why does uneven spraying occur?

A: Common causes and countermeasures:

• Air pressure fluctuation (install a pressure regulating valve)

• Dry ice agglomeration (replace qualified particles)

• Nozzle wear (check the nozzle hole diameter)

• Water accumulation in the pipeline (install an oil-water separator and air dryer)

Q: How to choose special shape nozzle?

A: Select according to the characteristics of the cleaning surface:

• Flat surface: standard round nozzle

• Grooved surface: flat fan nozzle

• Deep hole: extended focusing nozzle

• Complex curved surface: rotating multi-head nozzle.

We provide free selection guidance.

Q: What are the safety precautions when using nozzles?

A: Wear a protective mask during operation, do not spray at people (range can reach 10 meters), keep the work area ventilated, wait 5 minutes after shutdown before touching again, and always have frostbite ointment available in the emergency treatment box.

Q: How long is the replacement cycle of wearing parts?

A: Under normal use, it is recommended to replace it every 4-6 months.

Q: What is the usual method for shipping spare parts? How long does it take?

A: All accessories are transported by air express, which ensures that they will be delivered to you within 1 week.

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Dry Ice Cleaning Nozzle

Commonly used nozzle list

FAQ