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dave bushell

Hi Brian
Checking my pumps, they both have magnesium manifolds, at least I presume that they must be magnesium, they are both dark grey in colour and certainly not bronze. As for serial numbers, one is visible through the celluloid but not very legible and it could be difficult to remove the bezel as it appears to have been well Hermitited on! The other pump is unreadable due to lens discolouration. Both have different numbers stamped on the alloy bodies (not the manifolds). One is 5P [] 1030, the other 5P [] 1059. One manifold has c3w stamped on the inside face, the other has nothing. Both have SMC Co Ltd upside down on the outer covers!