&61548&61472阀门口径:原装丝口DN15-DN50mm,法兰DN15-DN150mm;混装丝口DN20-DN50mm,法兰DN25-DN250mm &61548&61472二通平衡式、三通分流、三通合流。 &61548&61472阀门内件:镍钢 &61548&61472水阀耐温:2℃~140℃;蒸汽阀耐温:2℃~180℃ &61548&61472工作压力:PN1.6Mpa &6