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On Orders £30+. Next Day on Orders £80+
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With Extended Warranties

Paintball CGA 320 Cylinder Refill Adapter

Know Your Equipment

Paintball CGA 320 cylinder refill adapter
A: Outlet (Paintball / CGA 320 cylinder screws into here).
B: Paintball isolation valve knob.
C: Shutoff valve.
D: Pressure gauge.
E: Inlet (screws to parent/donor cylinder).
F: Dump/Purge valve.

Cylinder Preparation

Donor Cylinder Try to determine whether your donor cylinder uses a 'dip tube' inside. If your cylinder has a dip tube then it may be used in its normal orientation as liquid CO2 will be expelled from the cylinder. If your cylinder does not have a dip tube, then you may need to invert (turn upside-down) your donor cylinder so that liquid CO2 is expelled, rather than CO2 in its gaseous form. Refilling will still be achieved with gaseous CO2, but the recipient cylinder may not achieve its full capacity.

Paintball Cylinder To ensure the Paintball cylinder will accept its full capacity of gas / liquid CO2, it is recommended to put the Paintball cylinder in a freezer for 2 hours prior to refilling. This is not essential, but it will ensure the cylinder is filled to full capacity. Freezing lowers the pressure inside the cylinder, which enables it to readily accept more CO2.

Step-by-Step Instructions

Step 1) Connect the refill adapter to the parent / donor cylinder at the adapter inlet (E). Tighten using a spanner or wrench (do not hand-tighten).

Step 2) Ensure the shutoff valve (C) on the adapter is closed by turning fully clockwise.

Step 3) Turn the knob of the Paintball isolation valve (B) fully anticlockwise. This will retract the pin inside the adapter which ensures when the Paintball cylinder is screwed in, it will not press the Paintball valve to release the gas.

Direct Connection (no connection hose)

Step 4) Screw the Paintball CGA 320 adapter into the refill adapter body. The output of the Paintball adapter may point in any direction, rather than vertically as shown, this is not a problem and will not affect refilling of the cylinder.

Step 5) Screw the Paintball cylinder into the adapter. Tighten until the cylinder slips in your hand (no need to use tools).

Using Connection Hose

Step 6) Attach the connection hose to the adapter and tighten using a spanner or wrench (do not hand-tighten).

Step 7) Connect the opposite end of the connection hose to the Paintball adapter. Tighten using a spanner or wrench (do not hand-tighten).

Step 8) Hold the adapter with one hand while screwing the cylinder with the other. Tighten until the cylinder slips in your hand.

Refilling Process

Step 9) Open the valve on the parent / donor cylinder to release the gas. The cylinder pressure will then be indicated on the pressure gauge.

Step 10) Turn the shutoff valve (C) anticlockwise, which will release the gas from the refill adapter.

Step 11) Slowly turn the knob of the Paintball isolation valve (B) clockwise until you hear gas begin to enter the cylinder (you will hear a noise when this occurs).

The pressure indicated on the gauge will drop to indicate the pressure between the donor and recipient cylinder. Continue to refill until the pressure reaches the capacity of the Paintball cylinder, or you no longer hear gas being transferred.

Step 12) Once refilling is complete, turn the shutoff valve (C) clockwise to shut off the CO2.

Step 13) Turn the knob of Paintball isolation valve (B) anticlockwise to isolate the Paintball cylinder.

Step 14) Slowly turn the purge / dump valve (F) anticlockwise to release the residual gas contained in the apparatus. Upon doing so, you will hear a pronounced 'hiss' - this is normal. Once all of the gas has been released, turn the valve clockwise to close it again for next use.

Step 15) Remove the Paintball cylinder from the adapter.

Repeat the refill process for each cylinder you wish to refill in this batch.

Step 16) Once you have finished refilling all cylinders, close the valve on the parent / donor cylinder by turning clockwise.


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