hc41x, hc41x节能梭式止回阀, 式止回阀, 梭式止回阀, 止回阀, 止回阀 hc41x, 节能梭式止回阀|
2020-10-23|
Post by: MatthiasAckerman
节能梭式止回阀 HC41X
注:法兰连接尺寸：铁制阀门按GB4216.4（5) -84标准，钢制阀门按GB/T9113.1-2000（RF）标准。
