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Valves
and Cocks
|
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| Cast
Steel Gate Valves |
Design Features
- Confirms to BS : 1414/API
600/IS:10611:1983
- Available in class 150,
300 & 600. (with Flanged or Butt welding
ends)
- Face to Face & End
to End Dimensions are as per BS:2080-1974/ANS.
B.16.10.1973/IS:9884/1981.
- Bolted Bonnet, Outside
screw rising spindle through Hand-wheel.
- Fitted with Backseat
for gland repacking under pressure.
- Screwed in bottom seated
body rings with a hardness difference of HB
50 with wedge facing rings.
- Solid wedge with seprately
fitted or integrally weld deposited seating
faces.
- Smoothly guided wedge
throughout its travel.
- Strong but loose T-Head
connection of the stem with the wedge.
- Accurately machine cut
acme threads on the stem and yoke sleeve.
- Stem ground finished
where it passes through the stuffing box.
- Two piece self aligning
type bolted gland.
- Flanges faced at the
back for proper seating of nuts.
- Sturdy spoked hand wheel
provided for easy operation.
- Bye-pass arrangement
provided against specific requirement.
- Rust preventive coating
applied on external machined surfaces.
- Un machined surfaces
painted with desired paints.
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| Over
All Dimensions (in mm) |
|
Class
|
150
|
300
|
600
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Normal Size
|
L
|
H
|
W
|
L
|
H
|
W
|
L
|
H
|
W
|
|
Inch
|
mm
|
Flanged
|
Flanged
|
Flanged
|
Flanged
|
Flanged
|
Flanged
|
Flanged
|
Flanged
|
Flanged
|
|
2
|
50
|
178
|
450
|
205
|
216
|
475
|
205
|
292
|
495
|
205
|
|
2.5
|
65
|
190
|
540
|
205
|
241
|
550
|
205
|
330
|
560
|
230
|
|
3
|
80
|
203
|
560
|
230
|
283
|
615
|
255
|
356
|
670
|
255
|
|
4
|
100
|
229
|
700
|
255
|
305
|
740
|
305
|
432
|
750
|
360
|
|
5
|
125
|
254
|
850
|
310
|
381
|
900
|
310
|
508
|
985
|
400
|
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6
|
150
|
267
|
1000
|
360
|
403
|
1030
|
400
|
559
|
1085
|
500
|
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8
|
200
|
292
|
1150
|
400
|
419
|
1235
|
450
|
660
|
1385
|
610
|
|
10
|
250
|
330
|
1450
|
450
|
457
|
1450
|
500
|
787
|
1625
|
690
|
|
12
|
300
|
356
|
1665
|
500
|
502
|
1675
|
560
|
838
|
1800
|
690
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| Material
List |
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|
S. No.
|
Name
Of Part
|
Material
|
Specification
|
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1.
|
Body
|
Cast
Carbon Steel
|
A-216
Gr:WCB
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2.
|
Body
Seat Rings
|
Stainless
Steel (13% Cr)
|
AISI
410
|
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3.
|
Wedge
Facing Rings
|
Stainless
Steel (13% Cr)
|
AISI
410
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4.
|
Wedge
|
Cast
Carbon Steel
|
A-216
Gr. WCB
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5.
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Stem
|
Stainless
Steel
|
AISI
410
|
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6.
|
Gasket
|
CAF
(Class 150 Valves)
|
---
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Spiral
wound SS style AISI 304
|
---
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7.
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Stud
Bolts
|
Carbon
Steels
|
---
|
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8.
|
Nuts
|
Carbon
Steel
|
---
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9.
|
Back
Seat bush
|
Stainless
Steel
|
AISI
410
|
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10.
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Bonnet
|
Cast
Carbon Steel
|
A
216 Gr WCB
|
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11.
|
Lantern
Ring
|
Provided
on request
|
---
|
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12.
|
Stuffing
Box Plug
|
Stainless
Steel
|
AISI
410
|
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13.
|
Stem
Packing
|
Braided
asbestos
|
---
|
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14.
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Gland
Bolts & Nuts
|
Carbon
Steel
|
---
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15.
|
Gland
Follower
|
Stainless
Steel
|
AISI
410
|
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16.
|
Gland
flange
|
Carbon
Steel
|
---
|
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17.
|
Yoke
( where seperate)
|
Cast
Carbon Steel
|
A-216
Gr. WCB
|
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18.
|
Yoke
Bolting
|
Carbon
Steel
|
---
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19.
|
Yoke
Sleeve
|
Carbon
Steel/ Aluminium Bronze
|
---
|
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20.
|
Yoke
Sleeve Retaining Nut
|
Stainless
Steel
|
AISI
410
|
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21.
|
Hand
Wheel
|
Malleable
Iron
|
IS:2108
Gr. BM 290
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22.
|
Hand
Wheel Nut
|
Stainless
Steel
|
AISI
410
|
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23.
|
Key
Y
|
Carbon
Steel
|
---
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24.
|
Greesenipple
|
Carbon
Steel
|
---
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