SKU: ICS3

3 piece Stainless Steel Check Valve

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The ICS3 series of check valves are a 316 Stainless Steel 3 piece in line lift check valve. These check valves come with BSP threaded end connections and are suitable for a wide range of media including steam, water and oil. Please note due to the metal to metal seat this check valve with not form a bubble tight seal at lower pressures. Installation can be at any orientation as the disc is spring backed. Economical check valve for simple applications where a stainless steel backflow / backpressure preventer is required. The 3 piece design allows for the check valve to be installed and maintained in fixed pipelines as the body bolts can be removed and the valve separated from the threaded end caps.

Model Size (BSP) DN Pressure Range Temperature Weight (KG) CV Cracking Pressure (kPa)
ICS3-04 1/2" 15 0 to 63 BAR -20°C to 180°C 0.37 13 4 ~ 6
ICS3-05 3/4" 20 0 to 63 BAR -20°C to 180°C 0.69 32 3 ~ 5
ICS3-06 1" 25 0 to 63 BAR -20°C to 180°C 0.75 67 3 ~ 5
ICS3-07 1 1/4" 32 0 to 63 BAR -20°C to 180°C 1.15 115 2.8 ~ 3.5
ICS3-08 1 1/2" 40 0 to 63 BAR -20°C to 180°C 1.51 183 2.5 ~ 3.5
ICS3-09 2" 50 0 to 63 BAR -20°C to 180°C 2.23 365 2.5 ~ 3


3 piece inline check valve temperature vs temperature 

3 piece in line stainless steel check valve

Model Size DN d L CV
ICS3-04 1/2" 15 14 56.5 13
ICS3-05 3/4" 20 18.5 77 32
ICS3-06 1" 25 24 74 67
ICS3-07 1 1/4" 32 32 83 115
ICS3-08 1 1/2" 40 38 92 183
ICS3-09 2" 50 49 110 365

3 piece in line stainless steel check valve

Number Part Material
1 Bolt 304 SS
2 Spring Washer 304SS
3 Nut 304SS
4 Cap ASTM A351 CF8M
5 Gasket PTFE
6 Body ASTM A351 CF8M
7 Insert ASTM A276 304
8 Spring ASTM A276 304
9 Disc ASTM A351 CF8M

Size 1/2" to 2" BSP
Body 3 piece 316 Stainless Steel
Seat Metal
Pressure Range 0 to 63 BAR
Temperature -20°C to 180°C

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