| Butterfly
Valves |
The butterfly valves are strictly manufactured
as per IS:13095 and are of wafer type design.
They are manufactured with integrally moulded
elastomer seats so as to outerform any lines.
These valves are totally maintenance free
and are often called Fit & Forget valves.
These are available in different combinations
of body & disc material to suit wide range
of fluids in size 50 mm to 300 mm. These are
suitable for temperature rating of -10ºc to
90ºc in wide range of applications. The basic
data specification as per IS:13095/1991 are
:- |
|
|
|
| Over
All Dimensions |
| Dn(
mm) |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
| Size
( inch) |
2" |
2.5" |
3" |
4" |
5" |
6" |
8" |
10" |
12" |
| Flow
size |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
| PCD |
125 |
145 |
160 |
180 |
210 |
240 |
295 |
350 |
400 |
| Face
to Face |
43 |
46 |
46 |
52 |
56 |
56 |
60 |
68 |
78 |
|
| Material
List |
|
These
valves are normally lever operated but larger valves
can be provided with gear attachment.
|
|
|
|
S.
No.
|
Name
Of Part
|
Material
|
|
1.
|
Body
|
Cast Iron
|
|
|
|
S.G. Iron
|
|
|
|
Stainless Steel
|
|
2.
|
Body Style
|
Flangeless Wafer
type
|
|
3.
|
Operation
|
Handle/gear attachment
|
|
4.
|
Body Lining
|
Black nitrile
|
|
|
|
neoprene
|
|
5.
|
Disc
|
SG Iron with epoxy
coating
|
|
|
|
Gun metal IS :
318 LTB-2
|
|
|
|
Aluminium Bronze
IS:305
|
|
|
|
Stainless Steel
with edge polished
|
|
6.
|
Shaft Material
|
Stainless Steel
AISI-410
|
|
7.
|
O. Ring
|
Black Nitrile
|
|
|
|
|
