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HomeProductsMedium parameters fittings and valves Check valves type 3c

Check valves type 3c

Functional area

Check valves are used in pipeline systems as automated safety devices, which prevent the reverse flow of the working medium in case of emergency situation.

Setting up

The valves of this type are installed with the valve cover in upward position on horizontal parts of the pipelines, where it’s easy to perform service checks and maintenance. Working medium flow direction – to the direction of the slide.

Special features

The valve body has the welding deposition seal of Cr-Ni alloy which provides better sealing.

Technical characteristics and operation

During normal operating conditions the check valve is in open position because of the working medium pressure. During emergency situation such as working medium lack or reverse flow the check valve closes automatically.

Check valves are connected with a pipeline by welding.
Leak resistance (standard GOST 9544-2005) – Class D.
Climatic versions (standard GOST 15150-69) – U – for moderate temperature zone; Т – for tropical, high-temperature zones.
Placement category (standard GOST 15150-69) – 1, 2, 3.

When ordering check valves, please specify correctly: product name and identification number, climatic version&placement category under GOST 15150-69 standard, product identification by TS 3740-003-71228244-2004.standard.

Parameter list

Product IDDN, mmWorking mediumРр (PN), MPaТw (Тmax), ˚СBody materialFlow friction characteristicD1, mmD2, mmL, mmН, mmА, mmWeight, kgModel
3с-10-25-45010water-steam(25)(450)203,81022110125282,1
3с-10-10-45010water-steam(10)(450)203,81022110125282
3с-15-25-45015water-steam(25)(450)2051632160100462,9
3с-15-10-45015water-steam(10)(450)2051632160100462,8
3с-20-25-45020water-steam(25)(450)2052032160100462,9
3с-6-220water-steam(10)(450)205,6203216089462,5
3с-8-220steam2554512Х1МФ5…7203216094462,8
3с-7-220water37,3280205…7203216094462,8
3с-25-25-45025water-steam(25)(450)20626321601004614
3с-25-10-45025water-steam(10)(450)2052632160100462,8
3с-32-25-45032water-steam(25)(450)205…731662201808515,4
3с-6-332water-steam(10)(450)207,73242230113473,2
3с-8-332steam2554512Х1МФ5…731662201808515,4
3с-40-25-45040water-steam(25)(450)205…739662201808514,9
3с-7-440water37,3280205…739662201808514,9
3с-50-25-45050water-steam(25)(450)205…750802501909917,8
3с-6-550water-steam(10)(450)208,25058240116685,9
3с-8-550steam13,756012Х1МФ5…750802501909917,8
3с-65-25-45065water-steam(25)(450)205…758802501909917,8
3с-8-665steam9,854012Х1МФ5…762802501949518,4
3с-7-665water23,5250205…758802501909917,8



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