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SICCA
5.3.7 Sectional Drawing - Check valve
6
SCC 150 - 600
5.3.9 Check valves (Class 150, 300, 600)
The valve consists mainly of body (100), cover (160) as well
as the disc (350).
Flow seal area : The hard faced seat ring (515) is welded into
the body (100). The disc (350) is hard faced. It is connected
to a Disc Carrier (570) by means of a nut (920.2) and pin. The
swinging lever is mounted to the body by means of an inside
hinge pin (563).
Bonnet seat area : Body (100) and cover (160) are connected
to each other by studs (902) and nuts (920.1). Tightness is
assured by means of a gasket (411).
5.3.8 Check Valves
(class 900, 1500, 2500, 3100, 3600)
The valve consists mainly of body (100), bonnet (139) as well
as the disc (350).
Flow seal area : The seat ring (515) is seal welded into the
body (100). The sealing faces of the disc (350) and the seat
ring (515) are hard faced. The disc is connected with a disc
carrier by means of a nut (920.2) and a cotter pin (933). The disc
carrier is mounted to the body by means of a hinge pin (563).
Bonnet seal area : The valve is equipped with a pressure
seal bonnet. The bonnet (139) is pressed against the gasket
(411) by the pressure in the valve body (100). The gasket is
supported by the spacer ring (500) and the segment thrust ring
(501) which is seated in a groove on the body (100). The studs
(902.1) and the hex. nut (920.1) which are supported by the
retainer (734) hold the bonnet (139) against the gasket (411)
even when there is no pressure in the body (100).
SCC 900-3600
Type
Size
Class
Type leaflet no.
SCC 150-600
2”-24”
150-600
7246.1/02-EN
SCC 900-3600
2”-28”
900-3600
7243.1/02-EN
Related documents
100
Body
139
Bonnet
160
Cover
190
Parallel pin
194
Hinge bracket
350
Disc
411
Gasket
411
SW gasket
501
Thrust ring
504
Spacer ring
515
Seat ring
550
Disc
554 Washer
570
Disc carrier
Part no.
Name
Part no.
Name
563
Hinge pin
577
Disc carrier
583
Bonnet retainer
901
Hex. screw
902.1
Stud-1
902.2
Stud-2
920.1
Hex. nut-1
920.2
Hex. nut-2
920.3
Hex. nut-3
933
Split pin
515
501
411
Summary of Contents for SICCA GLS Series
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