PEV Pneumatic External Vibrators The PEV series The PEV series of pneumatic external vibrators offers continuous vibration for non-stop applications. They owe their durability to their strong and simple design, their low maintenance requirements and their long service life. They are the first choice when electricity is not readily available. PEV10 and PEV14: For lightweight forms and CIP concrete sites. Dependable and sturdy. PEV27: Highly suitable for lightweight forms such as beam and column moulds, and for formwork carriages. PEV45 and PEV60: Pneumatic external vibrators for heavy precasting formwork such as shaft and tunnel segments, steel tables or bulk-material handling.