KSB ECOLINE FYC, Operating Manual

Page: 60 / 100

4 Valve Description
60 of 100
4.6.1.5 Materials
901
160
411
950
351
515
100
Table 65: 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
351 Check 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 STL6 (integral) STL6 (integral) STL6 (integral) 304 (integral) 316 (integral)
901 Bolt A 193 B7 A 193 B16 A 193 B16 A 193 B8 A 193 B8M
950 Spring SS304 SS304 SS304 SS304 SS316
4.6.1.6 Function
The main components of the lift check valves are the body (100), the cover (160) and
the check disc (351).
Seat/disc interface
The integral seating surfaces in the body (100) are hard-faced. The check disc (351) is
spring-loaded.
Bonnet/cover seal
The cover (160) is bolted to the body (100). The joint is sealed by a joint ring (411).
4.6.2 ECOLINE PTF 800-2500
4.6.2.1 Operating data
Table 66: 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
Selection as per pressure/temperature ratings
(
ð
Section 4.6.2.4, Page 62)