法兰连接旋启式止回阀 -合肥上良自控阀门有限公司手机版

产品简介

【概述】旋式止回阀是能自动阻止流体倒流的阀门，销轴与阀瓣连接采用内装式结构，性能优良，密封更可靠，止回阀的阀瓣在流体压力作用下开启,流体从进口处流向出口处.当进口处压力低于出口处的压力时,阀瓣在流体压差本身重力等因素作用下自动关闭以防止流体倒流。

详细介绍

【产品种类】┃H44T铸铁旋启式止回阀┃H44H铸钢旋启式止回阀┃H44W不锈钢旋启式止回阀┃H44Y合金钢旋启式止回阀┃H44J衬胶旋启式止回阀┃H44F646衬氟旋启式止回阀┃特材旋启式止回阀┃H44N燃气旋启式止回阀┃。

【规范】

尺寸:DN25~DN500;

温度:-40~500℃;

压力:PN1.0MPa~6.4MPa;

阀体:铸铁、黄铜、碳钢、不锈钢、合金钢、PVC;

阀瓣:铸铁、黄铜、碳钢、不锈钢、合金钢、PVC;

弹簧:不锈钢;

阀杆:黄铜、碳钢、不锈钢、合金钢;

密封:橡胶、不锈钢;

适用介质:水、蒸汽、油品、硝酸、醋酸、强氧化性介质及尿素等。

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