KSB ECOLINE FYC, Operating Manual

Page: 70 / 100

4 Valve Description
70 of 100
4.7.2.5 Materials
1
901
160
411
210
570
920
515
100
746
①
Tack-welded
Table 81: Parts list
Part No.
Description Material
A 105
Trim 8
A 182 F11
Trim 5
A 182 F22
Trim 5
A 182 F304
Trim 2
A 182 F316
Trim 10
100 Body A 105 A 182 F11 A 182 F22 A 182 F304 A 182 F316
160 Cover A 105 A 182 F11 A 182 F22 A 182 F304 A 182 F316
746 Valve disc A 182 F6a A 182 F6a + STL6 A 182 F6a +
STL6
A 182 F304 A 182 F316
411 Joint ring 304 + graphite 304 + graphite 304 + graphite 304 + graphite 316 + graphite
515 Seat ring A 276 410 + STL6 A 276 410 + STL6 A 276 410 +
STL6
A 276 304 A 276 316
210 Hinge pin A 276 304 A 276 304 A 276 304 A 276 304 A 276 316
570 Hanger arm A 351 CF8 A 351 CF8 A 351 CF8 A 351 CF8 A 351 CF8M
901 Bolt A 193 B7 A 193 B16 A 193 B16 A 193 B8 A 193 B8M
920 Nut A 194 8 A 194 8 A 194 8 A 194 8 A 194 8M
4.7.2.6 Function
The main components of the swing check valves are the body (100), the cover (160)
and the valve disc (746).
Seat/disc interface
The integral seating surfaces in the body are hard-faced. The valve disc (746) is
mounted on the hanger arm (570) by means of a nut (920). The hanger arm (570)
pivots on a hinge pin (210) mounted inside the body (100).
Bonnet/cover seal
The body (100) and the cover (160) are connected by bolts (901). The joint is sealed by
means of a joint ring (411).
4.7.3 ECOLINE SCF 800-2500
4.7.3.1 Operating data
Table 82: Operating properties
Characteristic Value
Nominal pressure Class
800 - 2500
Nominal size NPS ½
" - 2"
Max. permissible pressure
431
bar /
6250
PSI
Min. permissible temperature 0 °C / 32 °F
Max. permissible temperature
+538
°C /
+1500
°F
Temperatures < 0 °C on request