KSB ECOLINE FYC, Operating Manual

Page: 67 / 100

4 Valve Description
67 of 100
Part No.
Description Material
A 216 WCB A 217 WC6 A 217 WC9 A 217 C5
A 217 C12 A 352 LCB A 352 LCC A 351 CF8 A 351 CF8M
920.2 Nut A 194 2H A 194 Gr. 7 A 194 Gr. 7 A 194 Gr. 7 A 194 Gr. 7 A 194 Gr. 7 A 194 Gr. 7 A 194 Gr. 8 A 194 Gr. 8
920.1 Nut A 194 2H A 194 Gr. 7 A 194 Gr. 7 A 194 Gr. 7 A 194 Gr. 7 A 194 Gr. 7 A 194 Gr. 7 A 194 Gr. 8 A 194 Gr. 8
902 Stud A 193 B7 A 193 B16 A 193 B16 A 193 B16 A 193 B16 A 320 L7 A 320 L7 A 193 B8 A 193 B8
916 Plug Carbon steel Carbon steel Carbon steel Carbon steel Carbon steel Carbon steel Carbon steel Stainless
steel
Stainless
steel
Table 76: Trim materials
Part No. Description Trim 1 Trim 2 Trim 5 Trim 8 Trim 10
13% chrome steel (Cr) /
13% chrome steel (Cr) 304 / 304 Stellite / Stellite Stellite / 13% chrome
steel (Cr) 316 / 316
746 Valve disc 13% chrome steel (Cr) 304 stainless steel Stellite 13% chrome steel (Cr) 316 stainless steel
515 Seat ring 13% chrome steel (Cr) 304 stainless steel Stellite Stellite 316 stainless steel
210 Hinge pin 13% chrome steel (Cr) 304 stainless steel 13% chrome steel (Cr) 13% chrome steel (Cr) 316 stainless steel
4.7.1.6 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 hard-faced seat ring (515) is welded into the body (100). The seating surface of
the valve disc (746) is hard-faced. The valve disc (746) is mounted on the hanger arm
(570) by means of a nut (920.3) and pin. 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 studs (902.1) and nuts (920.1).
The joint is sealed by means of a joint ring (411).
4.7.2 ECOLINE SCF 150-600
4.7.2.1 Operating data
Table 77: Operating properties
Characteristic Value
Nominal pressure Class 150 - 600
Nominal size NPS ½'' - 2''
Max. permissible pressure 104 bar / 1480 PSI
Min. permissible temperature 0 °C / 32 °F
Max. permissible temperature 816 °C / 1500 °F
Temperatures < 0 °C on request
Selection as per pressure/temperature ratings
(
ð
Section 4.7.2.4, Page 69)
4.7.2.2 Fluids handled
▪ Steam
▪ Fluids containing gas
▪
Gas
▪ High-temperature hot water
▪ Volatile fluids
▪ Feed water