HLS / KHLS air operated / electrically operated small caliber single-seat control valve Some features such as: S shaped smooth fluid channel, small volume, light weight, high adjust precision, easy to use, convenient to maintain and so on. It’s mostly used for control small flows and little flows.

HTS / KHTS air operated / electrically operated single-seat control valve Some features such as: S shaped smooth fluid channel, small volume, light weight, high adjust precision, easy to use, convenient to maintain and so on. It’s mostly used in the situation of low leakiness and high control precision.

HPS / KHPS air operated / electrically operated high pressure single-seat control valve HPS / KHPS air operated / electrically operated high pressure single-seat control valve have the features of HTS single-seat control valve. It’s mostly used in the situation of high pressure.