维拓斯WHG-031/32WHG-031/50叠加式溢流阀性能(1)调压范围：它是指减压阀输出压力P2的可调范围，在此范围内要求达到规定的精度。调压范围主要与调压弹簧的刚度有关。WHG-031/32WHG-031/50WHG-031/75WHG-031/100WHG-031/210WHG-033/32WHG-033/50WHG-033/75WHG-033/100WHG-033/210WHG-034/32WHG-034/50WHG-034/75WHG-034/100WHG-034/210WKG-031/100WKG-031/210WKG-033/100WKG-033/210WKG-034/100WKG-034/210维拓斯WHG-031/32WHG-031/50叠加式溢流阀)