Pipeline ancillaries
Lift check valves
Page 8 of 8
Capacity DN15
1⁄2"
DN20
3⁄4"
DN25
1"
DN32
11⁄4"
DN40
11⁄2"
DN50
2"
DN65
21⁄2"
DN80
3"
DN100
4"
Kv 5 8.3
11
18
34
42 87
113
135
7.5.11
Item Size
EN
ASME
Nm
EN
ASME
DN15 to DN25
3
DN32 to DN50
DN65 to DN80
DN100
(1⁄2" to 1")
(11⁄4" to 2")
(21⁄2" to 3")
(4")
LCV3
17 A/F
" A/F
LCV3
M10
1⁄2" - 13 UNC
40 - 50
Others 19A/F
Others M12
LCV3
19 A/F
1 "A/F
LCV3
M12
Others M16
" - 11 UNC
80 - 90
Others 24A/F
24 A / F
11⁄4" A/F
M16
3⁄4" - 9 UNC
90 - 100
24 A / F
1 "A/F
M16
" - 11 UNC
70 - 80
Capacities
Opening pressures in mbar
Differential pressures with zero flow
3
1
2
1
Flow direction
Horizontal
Vertical
DN15 to DN25
22.5
20
DN32 to DN50
24.5
20
DN65 to DN100
25.5
20
Safety information, installation and maintenance
For full details see the Installation and Maintenance Instructions (IM-P029-17)
supplied with the product.
Installation note:
Always install the lift check valve with the flow in the direction indicated on
the body.
Disposal
These products are recyclable. No ecological hazard is anticipated with the
disposal of these products, providing due care is taken.
How to order
Example: 1 off Spirax Sarco DN15 LCV4 lift check valve having flanged
EN 1092 PN40 connections.
Spare parts
The spare parts available are shown in solid outline. Parts drawn in broken
line are not supplied as spares.
Available spares
LCV Gaskets kit (Cover gasket and seat gasket)
LCV Internals kit (Cover gasket, seat gasket, spring, disc and seat)
How to order spares
Spare 1
Spare 2
Always order spares by using the description given in the column headed
'Available spares' and state the size and type of trap. Always order spares by
using the description of the LCV and Spare 1 or Spare 2.
Example: 1 off LCV Internals kit – Spare 2, for a Spirax Sarco DN15 LCV4 lift
check valve having flanged EN 1092 PN40 connections.
Recommended tightening torques
LCV3, LCV4, LCV6 and LCV7 Lift Check Valves
TI-P029-16 ST Issue 4
Page 8 of 8
