一、进口铸钢法兰止回阀产品概述

进口铸钢法兰止回阀，Cast steel flanged check valve，是指阀体采用铸钢材质，设计和制造按照美国API或者ANSI 标准，法兰采用CLASS150LB-2500LB的连接方式的止回阀。

美国威盾VTON铸钢法兰止回阀主要产品有：铸钢法兰止回阀，铸钢升降式止回阀，铸钢旋启式止回阀，水用铸钢法兰止回阀，油用铸钢法兰止回阀，蒸汽用铸钢法兰止回阀；磅级止回阀支管两端为焊结结构，焊结坡口可按标准或用户要求制作，铸钢法兰磅级止回阀适用于火电厂、石油化工、冶金等高温高压的水、蒸气、油品、过热蒸汽的管道上作防止介质回流的装置。

Cast steel flanged check valve refers to a check valve with a valve body made of cast steel material, designed and manufactured according to American API or ANSI standards, and a flange connection method of Class150LB-2500LB.

The main products of American Weidun VTON cast steel flange check valves include: cast steel flange check valves, cast steel lifting check valves, cast steel swing check valves, cast steel flange check valves for water, cast steel flange check valves for oil, and cast steel flange check valves for steam; The two ends of the branch pipe of the pound level check valve are welded structures, and the welded grooves can be made according to standards or user requirements. Cast steel flange pound level check valves are suitable for installation on pipelines of high-temperature and high-pressure water, steam, oil, and superheated steam in thermal power plants, petrochemicals, metallurgy, and other industries to prevent medium backflow.

二、进口铸钢法兰止回阀产品参数

1、口径：DN15-3000，1/4-100寸

2、压力：PN0.6-PN320；Class150LB-2500LB；JIS10K-20K

3、温度：-196℃-550℃

4、阀体材质：铸钢

5、密封面：堆焊铬不锈钢、堆焊硬质合金、铬镍钛不锈钢

6、垫片：钢带石墨参缠绕、聚四氟乙烯

7、连接方式：法兰

8、使用介质：水、蒸汽、油品等

三、进口铸钢法兰止回阀结构尺寸图