DR…30B/…型先導式減壓閥 通徑有10，20，和30，壓力可達到31.5MPa，流量可達到320L/min. 有板式連接，管式連接，插裝式連接。 DR型減壓閥是先導控制的減壓閥，用于降低系統中某一回路的壓力。 主要由先導閥，主閥和單向閥組成（也可以不帶單向閥） 并且有三種壓力調節形式：手柄、帶保護罩的內六角調節螺栓、帶鎖手柄。 我司銷售北京華德HUADE電磁溢流閥，北京華德HUADE直動式溢流閥，北京華德HUADE比例溢流閥，北京華德HUADE電磁換向閥，北京華德HUADE液控換向閥，北京華德HUADE電液換向閥，北京華德HUADE單向閥，北京華德HUADE插入式單向閥，北京華德HUADE液控單向閥，北京華德HUADE電磁線圈，北京華德HUADE順序閥，北京華德HUADE減壓閥，北京華德HUADE平衡閥，北京華德HUADE馬達，北京華德HUADE壓力繼電器，北京華德HUADE節流截止閥，北京華德HUADE手動換向閥，北京華德HUADE定量泵，北京華德電液溢流閥 北京華德壓力繼電器 HED4OP15B/50Z14L24S HED4OP15B/100Z14L24S HED4OP15B/350Z14L24S HED4OP15B/50Z14L110S HED4OP15B/100Z14L110S HED4OP15B/350Z14L110S HED4OP15B/50Z14L220S HED4OP15B/100Z14L220S HED4OP15B/350Z14L220S HED4OA15B/50Z14L24S HED4OA15B/100Z14L24S HED4OA15B/350Z14L24S HED4OA15B/50Z14L110S HED4OA15B/100Z14L110S HED4OA15B/350Z14L110S HED4OA15B/50Z14L220S HED4OA15B/100Z14L220S HED4OA15B/350Z14L220S 北京華德電液溢流閥 DB3U30GH-2-30B/100XW220-50NZ4 DB3U30GH-2-30B/100XW220-50NZ5 DB3U30GH-2-30B/100XW220-50NZ5L 北京華德電磁換向閥 3WE4G10B/OFAG12N9Z4 3WE4G10B/OFAG12N9Z5 3WE4G10B/OFAG12N9Z5L 北京華德電磁溢流閥 DBW15AG-1-30B/100W220-50NZ4 DBW15AG-1-30B/100W220-50NZ5 DBW15AG-1-30B/100W220-50NZ5L DBW15AG-1-30B/100G24NZ4 DBW15AG-1-30B/100G24NZ5 DBW15AG-1-30B/100G24NZ5L