Kral Arms (models with airtube)
This Airgun Regulator is vented to atmosphere, but without drilling in the airtube. Simple installation.
Unfortunately, there are two types of airtube for Kral arms airguns with airtube.
One has an inner diameter 30mm other 30,88mm.
This regulator is for airgun with airtube inner diameter 30mm.
Make sure that your airtube has this inner diameter before you make an order.
Airgun regulator for Kral arms
This Airgun Regulator is vented to atmosphere, but without drilling in the airtube. Simple installation. Just unscrew the air tube from airgun body, unscrew valve, push regulator in, screw valve back. Then screw airtube back in airgun and installation is done.
Videos for installation and proper use regulator in the airgun Kral arms
Evanix video Installation is very similar to Kral arms
Check both installations to find out how to install regulator.
Evanix video Installation new airgun version
How to find out proper function of regulator.
Setting output pressure on regulator
Correct clean air tube and regulator
What to do when your output pressure increasing over time? This is most likely caused by dirt on o-ring on plastic screw.
Video how to take regulator out of regulator body
Installation instructions for Kral arms rifle pressure regulator
It is appropriate before reading the instructions look at the video instructions and then read the instructions for avoiding common mistakes during installation Kral arms
Unscrew airtube + cleaning
Drain all air from airtube. Remove coupling between airtube and barrel. Unscrew airtube from airgun and clean o-ring and inside of the airtube. For cleaning, we use a foam or lint free cloth. It is good to wash out the inside of the airtube with degreaser, or technical petrol, etc..
Mount Altaros regulator
Remove the O-ring from a plug. Spray regulators o-ring from the outer side with silicone spray. Insert regulator into airtube so that it is possible to screw the brass plug and check the presence of the lower O-ring in the groove. By screwing plug we get regulator into correct position. Don't screw plug to the max, but leave a gap (between plug and airtube) about 0.5 mm
Filling and draining air
Fill airtube with air through quick fill. After proper installation should gauge on airgun show regulated pressure, for the filling always use a filling set with an external gauge, so that you have an overview of the real pressure in the airtube.
Setting pressure of airgun regulator
Altaros regulator output pressure can be set from 100bar (1450 PSI) to 150bar (2200 PSI) and after consultation of up to 170bar (2500PSI) which corresponds to the rotation of the screw behind value 150bar so that the line of the screw is pointing to the letter R. For a quick setting is on regulator engraved scale according to which the desired output pressure can be set. The total scale range of 100-150bar corresponds to approximately 2/3 turn Unscrewing, or screwing setting screw more than 1 turn may result in a malfunction of the regulation and scale will not show you regulated pressure. Groove on red marked half of setting plastic screw represents pointer which shows you currently set pressure on the scale. To change the pressure on regulator, just simply rotate the set screw with the flat screwdriver in the appropriate direction according to regulator scale.
Regulator pressure scale with three different settings
In this picture you will find an old scale (set at 100 bar), which we no longer sell.
- Altaros Regulator
- Regulator airchamber
- 2 spare o-rings.
You must keep maximum cleanness in the entire pressure system (airtube and outer o-rings). Do not disassemble the regulator without previous approval, which will be awarded based on e-mail correspondence, where you provide the reason why it would be necessary to disassemble the regulator. In the case of breach this procedure you may damage the regulator function (fully assembled regulator is not simple and it is necessary to follow the correct procedure). For these reasons, the disassembly without previous consent,or failure exact installation procedure can not claim the warranty. Since regulator is not original part from the manufacturer’s, installation is on your own responsibility.
Results with installed regulator in air gun Kral arms
This result was done with Kram Arms Puncher Empire
JSB Exact Hevy - 0,67g 4,5mm
Altaros Regulátor set on 110 barů