--Can see the position indication
--Easy to install
--Actuator adopt low abrasion piston structure,big capacity and low wastage
--There is lubricative for inner parts,no need maintaince
--The actuator material have stainless steel, Aluminum and Plastic
--Long life for the piston pole,PTFE seal,avoid the reif come in
--No water hammer effect,when the liquid flowed from valve underside,the water hammer will be absorbed.