| Cast
Iron Foot Valves |
Jmw cast iron Foot Valves are manufactured
as per IS : 4038. These valves are used at
the lower end of the suction pipe of a contrifugal
pump to prevent the suction pipe from emptying
while the pump is at rest. This valve is used
when the suction lift or vertical height of
pipe is considerable. These valves are available
basically in two designs swing type and lift
type. Lift type valves are recommended upto
100mm size only. Swing type valves upto 150mm
have single disc and above 150mm have two
discs of semi-circle shape. |
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These
valves are available in flanged end and screwed
end type. The flanges are normally drilled as per
IS : 1538 and threads are provided as per IS : 554,
but any other type of drillings or threads can be
provided as desired. |
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| Material
List |
|
S. No.
|
Components
|
Material
|
Grade
|
|
1.
|
Housing
|
Grey Cast
Iron
|
IS : 210
FG. 200
|
|
2.
|
Hinge Pin
|
High Tensile
Brass
|
IS : 320,
HT-2
|
|
3.
|
Disc Guide
Pin
|
High Tensile
Brass
|
IS : 320,
HT-2
|
|
4.
|
Disc
|
Grey Cast
Iron
|
IS : 210,
FG. 200
|
|
5.
|
Disc Face
|
Natural
Rubber (with canvas reinforcement)
|
IS : 5192,
Grade-I Type B
|
|
6.
|
Disc Plate
|
Grey Cast
Iron
|
IS : 210,
FG. 200
|
|
7.
|
Seat
|
Grey Cast
Iron
|
IS : 210,
FG. 200
|
|
8.
|
Strainer
|
Grey Cast
Iron
|
IS : 210,
FG. 200
|
|
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