SM4-10/12/15 伺服阀, 流量至 57 l/min (15 USgpm) - 压力至 210 bar
(3000 psi)
SM4-20-10, 流量至 76 l/min (20 USgpm) - 压力至 210 bar (3000 psi)
SM4-20-50, 流量至 76 l/min (20 USgpm) - 压力至 350 bar (5000 psi)SM4-20
(-50 Design) 伺服阀
SM4-40 伺服阀, 流量至 151 l/min (40 USgpm) - 压力至 350 bar (5000 psi)