斯派莎克止回阀dcv10简介

　　DCV41奥氏体不锈钢碟片止回阀，螺纹或承插焊连接。用来防止介质逆流，广泛应用于过程管线，热水系统，蒸汽和冷凝水系统。油和气体，可用氟化橡胶碟片，水系统可用EPDM碟片。软密封碟片可实现零泄漏或紧密气密封要求。（注:软密封不提供承插焊连接）。标准阀的密封符合DIN 3230 BN2。当重负荷弹簧安装于EPDM碟片上时，此阀可用作锅炉给水止回阀。高温弹簧止回阀的工作温度可达400℃。

　　口径和管道连接

　　½", ¾", 1"BSP螺纹符合BS 21内螺纹要求，NPT符合ANSI

　　B1.20.1；承插焊符合ANSI B16.11 Class 3000。

　　可选项

　　重负荷（700mbar开启压差）弹簧，用于锅炉给水。高温弹簧。

　　氟化橡胶碟片:用于油和空气- 仅提供螺纹连接。

　　EPDM碟片:用于水 - 仅提供螺纹连接。

　　限制条件

　　最大阀体设计条件

　　PMO-最大工作压力

　　TMO-最大工作温度

　　最小工作温度

　　冷态试验水压

　　*根据需要可提供更低温度下工作的阀，具体请咨询斯派莎克公司

　　Spirax Sarco Check Valve Details:

　　Spirax Sarco provides various forms of non-return valve , which can effectively prevent the backflow of fluid pipes . Easy to install and maintain .

　　DCV Series Check Valve Disc Check Valves

　　L bad check valve DCV system compact structure , easy to install. Can be installed in vertical or horizontal pipe or inclined pipelines , simply two flanges on the folder to install.

　　DCV2 / B Series Check Valve uses a special structure , specifically for boiler feed water, boiler water to prevent backflow .

　　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:

　　Spirax Sarco 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 ℃

　　Spirax Sarco check valve 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 .

　　Spirax Sarco SDVC series check valves Split Disc Check Valves

　　SDCV series split disc check valve flange on the clip can be used for a variety of industrial fluids such as steam , condensate , hot water system, prevent backflow of fluids in pipes .

　　Offers a variety of material selection, maximum diameter of DN300.

　　LCV Series Check Valve Lift Check Valves

　　LCV Series lift check valves installed in horizontal pipe can be used for a variety of steam , condensate and hot water systems.

　　The connection is a threaded connection , the maximum diameter of 80mm (3 ").

　　LCV Series Check Valve Lift Check Valves

　　LCV Series lift check valves installed in horizontal pipe can be used for a variety of steam , condensate and hot water systems.

　　Connection to threaded connections , the maximum diameter of 80mm (3'').