Pipeline ancillaries Disc, split disc and wafer check valves
10
Kv values Size
Opening pressures Differential pressure with zero flow in mbar (psi).. Flow direction Size ½ " ¾ " 1" 1 ½ "
½ "
¾ "
1 ½ "
1"
2"
2"
Kv
2
2
4
8
18
35 (0.51) 39 (0.57) 31 (0.45)
For conversion: Cv (UK) = Kv x 0.963 Cv (US) = Kv x 1.156
Operation The valve is opened by the pressure of the fluid. When fluid flow stops the spring closes the valve before reverse flow can occur.
Valve open
Valve closed
7.4.17
Safety information, installation and maintenance For full details see the Installation and Maintenance Instructions (IM-P029-11) supplied with the product.
How to order Example: 1 off Spirax Sarco 1" CVS10-1 sanitary check valve with metal seat, ASME BPE sanitary clamp connections, and having an internal surface finish of 0.5 micron Ra (20 micro inch). Complete with certification dossier.
10.5 4
Spare parts There are no spare parts available for this product
TI-P029-21 CMGT Issue 5
Page 4 of 4
CVS10 Sanitary Check Valve with Metal Seat
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