Electro Forbes Marshall 830-ex Electro Pneumatic Valve Positioner 4-20Ma Dc Compare $900.99 Forbes Marshall 830-ex Electro Pneumatic Valve Positioner 4-20Ma DcForbes MarshallElectro-pneumaticE/P PositionerModel Number: 830-exExplosion Proof: Exdiibt6Input Signal: 4~20Ma DcAmbient Temp:... Add to Cart Add to Cart Add to Wish List Add to My Wish List Create New Wish List