黄铜弹簧式内螺纹减压阀 brass spring FNPT regulator Y13W-16T

200X球墨铸铁稳压减压阀 200X SG iron equalizer regulator SK200X-16Q

不锈钢薄膜式内螺纹减压阀 S.S diaphragm reducing valve Y11X-16P

200X不锈钢稳压减压阀 200X S.S. equalizer regulator SK200X-16P

先导活塞式气体减压阀 pilot piston gas regulator YK43X/F/Y-10/16/25/64

直接作用弹簧薄膜式减压阀 direct-acting spring diaphragm regulator Y42X/F/Y-16/25

支管减压阀带防震表 branch pipe regulator +Seismic pressure gauge YZ11X-16/25-P/T

直接作用薄膜式减压阀 direct-acting diaphragm regulator Y11X-10/16

弹簧薄膜式减压阀带双防震表 spring diaphragm regulator +2 Seismic pressure gauge Y42X/F-10/16