英国斯派莎克DCV3止回阀

spirax sarco provides various forms of non-return valve , which can effectively prevent the backflow of fluid pipes . easy to install and maintain .

brief introduction

    dcv2 and dcv3 disc flange on the folder for the installation of check valves , can be widely used in process piping , hot water systems, steam and condensate systems in a variety of fluids , connection dimensions comply with en558 part1, series49.

standard products for the metal seat for steam systems. when used in the oil , air, gas , and water valve seat can be selected for other materials .

owner: wafer check valve is not suitable for severe pulsating occasions, such as compressors.

   dcv series check valves compact structure , easy to install. can be installed in vertical or horizontal pipe or inclined pipelines , simply two flanges on the folder to install.

    dcv check valve for steam and a variety of liquids, gases and other industrial systems , and provides various options depending on the application :

seat options:

metal seat (metal): - suitable for steam or other high temperature fluid systems .

temperature range -200 ℃ ~ 400 ℃.

rubber seat (viton): - applies to oil and gas systems , to ensure a good seal .

temperature range -15 ℃ ~ 250 ℃.

epdm seat (epdm): - for water systems.

temperature range -50 ℃ ~ 150 ℃

spring options:

standard spring - with a dry steam, water and many other industrial fluid system .

nickel-chromium alloy spring - for high temperature systems.

strong spring - for boiler feedwater system .

no springs - for low flow pressure loss system . only for vertically upward flow in the pipeline .

 

英国斯派莎克dcv3止回阀中文版介绍：

dcv2和dcv3为碟片式法兰对夹安装止回阀，可广泛应用于过程管道、热水系统、蒸汽和冷凝水等系统中的各种流体，连接尺寸符合en558  part1，series49。

英国斯派莎克dcv3止回阀标准产品为金属阀座，用于蒸汽系统。当用于油、空气、气体和水系统时可以选用其他材料的阀座。

主：对夹式止回阀不适合用于有严重脉动的场合，比如压缩机。

   dcv系列止回阀结构紧凑，安装简便。可安装在垂直或水平管道或倾斜管道，只需简单的两片法兰对夹安装即可。

    dcv止回阀可用于蒸汽和各种液体、气体等工业系统中，并可根据实际应用提供各种选择:

阀座选择:

金属阀座(metal):-适用于蒸汽或其它高温流体系统。

温度范围 -200℃~400℃。

橡胶阀座(viton):-适用于油及气体系统，可确保良好密封。

温度范围 -15℃~250℃。

三元乙丙阀座(epdm):-适用于水系统。

温度范围 -50℃~150℃

弹簧选择:

标准弹簧 - 用干蒸汽、水及其它多种工业流体系统中。

镍铬合金弹簧 - 用于高温系统。

特强弹簧 - 用于锅炉给水系统。

无弹簧 - 用于低流动压损系统。仅用于流向垂直向上的管道中。

相关产品：斯派莎克止回阀 , 斯派莎克DCV3止回阀 , 斯派莎克不锈钢止回阀