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'').
斯派莎克提供各種形式的止回閥，可有效的防止管道中流體回流。同時(shí)安裝和維修簡(jiǎn)便。
    DCV系列止回閥Disc Check Valves
    DCV系歹l止回閥結(jié)構(gòu)緊湊，安裝簡(jiǎn)便。可安裝在垂直或水平管道或傾斜管道，只需簡(jiǎn)單的兩片法蘭對(duì)夾安裝即可。
    DCV2/B系列止回閥采用特殊結(jié)構(gòu)，專門用于鍋爐給水，防止鍋爐水倒流。
    DCV止回閥可用于蒸汽和各種液體、氣體等工業(yè)系統(tǒng)中，并可根據(jù)實(shí)際應(yīng)用提供