RayK wrote:A buddy and I were discussing the aluminum valve. He reminded me that most of crosman valves are made from aluminum and not anodized or coated with anything - just look at the Marauder valves in 177 and 22 caliber gun. The 25 M-rod valve is anodized gold, but I bet that is just to help the workers keep them straight. I think the valve caps are all anodized too.
I'm no longer concerned about the valve not being anodized. I've never seen any corrosion on the valves in any PCP let alone any other internal parts. When we hear about corrosion it is from hand-pumping and it is usually around the fill assembly or gauge block - probably because the moisture tends to pool between those two parts. Even in guns with moisture in the air tube, the air flows through the valve so fast, it should blow out any moisture that makes it into the valve.
Ray
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