The product adopts die-cast aluminum alloy shell, HNBR/NBR composite seal to strengthen airtightness and wear resistance, installation width 26mm, weight about 295g, suitable for ISO 15407-1 standard 26mm base, saving layout space. Based on piston slide valve structure, mechanical spring return, working pressure - 0.09-10 bar, pilot pressure 3-10bar, fast response, opening time 21ms, closing time 40ms, single base rated flow 1100L/min, to meet the needs of medium and large actuators.