Since the most common valve is a k-valve, we’ll look at how to put one to work. Others may have a combo valve that has an insert that converts the din valve to a k-valve. Generally they will have what’s called a “k-valve” but some tanks may also have other types of valves such as a Din valve. Most scuba tanks fill to 3000 psi and store 80 cubic feet of air. So what are the other options? The most practical option is to use a scuba tank. If you don’t weigh 200 pounds or more, you may not be able to get past 2400 to 2500 psi. Another thing to consider with a hand pump is that you need weight/mass not just strength to get up to 3000 psi. So you can imagine that it can become hard work very quickly. but you can bet that it will take about 10 strokes or more to raise the pressure in your gun by 100 psi. From there you can make just about any fill probe or adaptor compatible by adding the male quick disconnect end to them. If you would like to use your hand pump to fill multiple guns quickly and easily, I suggest that you equip it with the female air venturi quick disconnect fitting if it’s not already so equipped. Some come with a standard female 1/8 bspp end that is compatible with most airgun fill probes or connectors, others may come already equipped with a female, foster quick disconnect fitting. Essentially it looks and works very much like the old hand bicycle pump. There are several different manufactures out there. The least expensive way to fill your PCP airgun is to use a simple hand pump. So how do you fill your PCP guns? Let’s take a look at some options. So you are WAY short of where you need to be. Your shop compressor tops out at about 150 psi. I get asked this all the time “can I fill my PCP gun with a shop compressor.” The answer is simply no. One thing I want to mention right up front. PCP guns are generally more expensive already, then there is the challenge of how to fill them. So how do you get them “charged.” That is the big question everyone always asks. PCP Airguns generally represent the top of the airgun food chain for power and accuracy. This differs from other single pump or multi-pump airguns in that there is a large volume of “Pre Charged” air which allows for multiple shots between fills. PCP airguns use compressed air which is stored in a reservoir on the gun. Some guns use a spring, some use co2 gas, others use compressed air. All guns require some sort of energy to propel their projectiles. Before we just jump right in, let’s briefly talk about what is a PCP rifle. One of the most asked questions I get, deals with how to fill PCP, which stands for Pre-Charged Pneumatic. This can be a little confusing and overwhelming for those not accustomed to the process. In this article we are going to look at how to fill your PCP Airgun.
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