Pipeline ancillaries HV3 stop valve Ball valves
Pipeline ancillaries Lift check valves 10
Kv values Size
½ "
¾ "
1 ½ "
1"
2"
For conversion: Cv (UK) = Kv x 0.963 Cv (US) = Kv x 1.156
Kv
8.2
8.2
17.3
27.3
40.5
Opening pressures Differential pressure with zero flow in mbar (psi). Flow direction Size ½" ¾"
1"
1½"
2"
35 (0.51)
39 (0.56)
41 (0.59)
43 (0.62)
31 (0.44)
29 (0.42)
27 (0.39)
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
Safety information, installation and maintenance For full details see the Installation and Maintenance Instructions (IM-P029-11) supplied with the product. Installation note The standard soft seat versions of the CVS10 are intended for use in a vertical position, as they will not be self-draining in a horizontal line. Self-draining versions are available to special order. They are dimensionally different with an offset outlet. How to order Example: 1 off Spirax Sarco 1" CVS10-1E sanitary check valve with EPDM seat, ASME BPE sanitary clamp connections, and having an internal surface finish of 0.5 µm Ra (20 μin). Complete with certification dossier.
10.1 21 10.4
TI-P029-10 CMGT Issue 9
Page 5 of 6
CVS10 Sanitary Check Valve with Soft Seat
Powered by FlippingBook