Fisher 3582/3581i Positioner - 582i Converter Fisher Valves & Controls All FISHER 3610J/3620J Positioners - 3622 Converter Fisher Valves & Controls All FISHER 3660 & 3661 Positioners Fisher Valves & Controls All Georg Fischer Electro Pneumatic Positioners Georg Fischer All Bray Electro Pnuematic Smart Positioner Bray International All