饥渴少妇高潮露脸嗷嗷叫-自拍国产视频在线观看-日韩人妻少妇一区二区三区-人妻久久精品一区二区三蜜桃

不銹鋼彈簧式安全閥A41H/Y-16P當(dāng)壓力降低到規(guī)定值時，閥門自動關(guān)閉，保證設(shè)備和管路安全運(yùn)行。型號A41H-10C/P、A41H-16C/P、A41H-25C/P、A41H-40C/P、A41H-64C/P、A41H-100C/P、A41H-160C/P、A41H-320C/P、A41Y-16C/P、A41Y-25C/P、A41Y-40C/P、A41Y-64C/P

A41H/Y-16C彈簧微啟式安全閥當(dāng)壓力降低到規(guī)定值時，閥門自動關(guān)閉，保證設(shè)備和管路安全運(yùn)行。型號A41H-10C/P、A41H-16C/P、A41H-25C/P、A41H-40C/P、A41H-64C/P、A41H-100C/P、A41H-160C/P、A41H-320C/P、A41Y-16C/P、A41Y-25C/P、A41Y-40C/P、A41Y-64C/P

A40Y帶散熱器彈簧全啟封閉式安全閥當(dāng)壓力降低到規(guī)定值時，閥門自動關(guān)閉，保證設(shè)備和管路安全運(yùn)行。型號A40Y-10C/P、A40Y-16C/P、A40Y-25C/P、A28H/W-40C/P、A40Y-64C/P、A40Y-100C/P

A28X-10T/16T彈簧式安全閥當(dāng)壓力降低到規(guī)定值時，閥門自動關(guān)閉，保證設(shè)備和管路安全運(yùn)行。型號A28X-10T、A28X-16T

A28W-10T/16T彈簧全啟式安全閥當(dāng)壓力降低到規(guī)定值時，閥門自動關(guān)閉，保證設(shè)備和管路安全運(yùn)行。型號A28H/W-10C/P、A28H/W-16C/P、A28H/W-25C/P、A28H/W-40C/P、A28H/W-64C/P