贺德克比例减压阀PDR08-01-C-N-200-12PG-2.2正品
更新时间:2024-05-16 浏览数:176
所属行业:
机械 阀门
发货地址:湖北省武汉市武昌区白沙洲街道
产品规格:PDR08-01-C-N-200-12PG-2.2
产品数量:100.00件
包装说明:纸盒
价格:¥3200.00 元/件 起
产品规格PDR08-01-C-N-200-12PG-2.2包装说明纸盒
贺德克比例减压阀PDR08-01-C-N-200-12PG-2.2正品 减压阀是通过调节,将进口压力减至某一需要的出口压力,并依靠介质本身的能量,使出口压力自动保持稳定的阀门。从流体力学的观点看,减压阀是一个局部阻力可以变化的节流元件,即通过改变节流面积,使流速及流体的动能改变,造成不同的压力损失,从而达到减压的目的。然后依靠控制与调节系统的调节,使阀后压力的波动与弹簧力相平衡,使阀后压力在一定的误差范围内保持恒定。调压步骤
1、关闭减压阀前的闸阀,开启减压阀后的闸阀,制造下游低压环境;
2、将调节螺钉
按逆时针旋转至较上位置(相对较di出口压力),然后关闭减压阀后闸阀;
3、慢慢开启减压阀前的闸阀至全开;
4、顺时针慢慢旋转调节螺钉,将出口压力调至所需要的压力(以阀后表压为准);调整好后,将锁紧
螺母锁紧,打开减压阀后闸阀;
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