A42Y-16R-DN20,A42Y-16R-DN25,A42Y-16R-DN32,A42Y-16R A42Y-16R-DN20,A42Y-16R-DN25,A42Y-16R-DN32,A42Y-16R-DN40,A42Y-16R-DN50,**阀,弹簧全启封闭式**阀

YK43F-1.6C-DN15,YK43F-1.6C-DN20,YK43F-1.6C-DN25 YK43F-1.6C-DN15,YK43F-1.6C-DN20,YK43F-1.6C-DN25,高压气体减压阀,温纳高压气体减压阀,高压气体减压阀生产厂家

超声波流量计测量范围大，可实现口径DN20～DN6000管道流量的测量，测量精度优于±1%,线性度0.5%,重复性精度0.2%

H41F46-10C-DN15, H41F46-10C-DN20, H41F46-10C-DN25, H41F46-10C-DN15, H41F46-10C-DN20, H41F46-10C-DN25, 衬氟止回阀

***系列手持式超声波流量计 选用不同型号的传感器 , 可实现口径 DN20 ～ DN1500 管道流量的测量,如果需要测量更大的管径，请选用本系列的大口径超声波流量计。

ZCT-10-DN15,ZCT-10-DN20,ZCT-10-DN40,ZCT-10-DN50,ZC ZCT-10-DN15,ZCT-10-DN20,ZCT-10-DN40,ZCT-10-DN50,ZCT-10-DN65,ZCT-10-DN100,

HJG-JGBZCA-P/DN20 防爆电磁阀 型号；HJG-JGBZCA-P/DN20规格；DN20 内螺纹 铸钢电磁阀、不锈钢电磁阀 使用电压：ac220v防爆等级：exm i/ii t4（浇封型）