KSB ECOLINE FYC, Operating Manual

Page: 76 / 100

4 Valve Description
76 of 100
Part No. Description Material
A 351 CF8
A 351 CF8M
210 Hinge pin A 276 304 A 276 316
194 Bracket A 351 CF8 A 351 CF8M
920.2 Nut A 194 8 A 194 8
411 Joint ring Stainless steel/graphite Stainless steel/graphite
160 Cover A 351 CF8 A 351 CF8M
902 Stud A 193 B8 A 193 B8
920.1 Nut A 194 8 A 194 8
Table 92: Trim materials
Part No. Description Trim 2 Trim 10
304 / 304 316 / 316
100 Body 304 stainless steel 316 stainless steel
746 Valve disc 304 stainless steel 316 stainless steel
210 Hinge pin 304 stainless steel 316 stainless steel
4.7.4.6 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 seat ring is an integral part of the body (100). The seating surface of the valve
disc (746) is machined. 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) and nuts (920.1). The
joint is sealed by means of a joint ring (411).
4.8 Strainers to ANSI/ASME
4.8.1 ECOLINE FYC 150-600
4.8.1.1 Operating data
Table 93: Operating properties
Characteristic Value
Nominal pressure Class 150 - 600
Nominal size NPS 2'' - 12''
Max. permissible pressure 106 bar / 1500 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
(
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Section 4.8.1.4, Page 77)