Series of Butterfly Valves

 
DIMENTION CHART

Size DN  D

T L1 L2 X Wt/Kg
40 33 106 66 185 2.8
50 43 113 70 185 3.5
65 46 121 76 250 4.5
80 46 129 84 250 4.8
100 52 147 100 250 6.0
125 56 158 112 250 7.9
150 56 174 133 315 11.0
200 60 198 160 315 15.5
250 68 245 198 500 27.0
300 78 270 224 500 36.0
350 78 321 260 - 66
400 100 348 290 - 90
450 108 373 320 - 120
500 127 410 360 - 145
600 149 470 420 - 170
PRESSURE RATING : PN10/PN16
PRESSURE TESTING :Body : 1.5XPN
                                     Seat : 1.1 X PN
DESIGN
Wafer type Butterfly Valve According to ISO 5752 short / BS 5155 short /IS 13095
ACTUATION
Valves are fitted with flow control
handlever with regulation disc upto
250 mm. Worm gear box for 300 mm upto 600 mm. Valves can also be supplied with Pneumatic / Electrical Actuators.
MOUNTING
Valves are suitable for fitment between the flanges drilled as per
IS/BS/ANSI/DIN standards
 
 
PARTS LIST & MATERIALS
Part
Description Std. Mode Ofconstruction Options
1.
Body

Cast iron IS 210 Gr. 25, Epoxy Coated

SG iron GGG 40, Cast Steel (WCB), Stainless Steel CF8/CF8M
2.
Disc

SG iron GGG 40, Epoxy Coated

Cast Steel (WCB) Stainless Steel CF8/CF8M
3.
Seat Black Nitrile EPDM, Neoprene, Viton or as per customer's requirements
4.
Shafts SS410 SS304/SS316
5.
Bearings Self Lubricating Phosphor Bronze PTFE
6.
'O'Rings Nitrile EPDM, Neoprene, Viton
7.
Bush Polyacetal PTFE
8.
Taper Pin En 8 SS304/SS316
9.
Plug Carbon Steel SS304/SS316
10.
Hand Lever SG iron Epoxy Coated

 

SEAT RING CHARACTERISTIC
Seat
Suitable for NOt Suitable for Temp. Range
Nitrile
Water, Hot Water, Animal & Vegetable oil & grease bases & acids Chlorinated Hydrocarbon ester, ether & ketones -20 Deg. C to 110 Deg. C
EPDM
Water, Hot water,
Steam, Alcohol
Petrol, Diesel,
Mineral Oil & Grease
-50 Deg. C to 120 Deg. C
Silicon
Hot air, Oxygen,
animal / vegetable oil
& grease
Steam Exceeding 120oC
Concentrated bases &
acids, Petrol, Diesel etc.
-60 Deg. C to 180 Deg. C
Viton
Best Chemical resistant
of all elastomers, High
Vacuum, Motor fuel,
oil, grease
Hydrofluoric acid,
Ammonia Gas.
-10 Deg. C to 160 Deg. C
Neoprene
Refigeration coolant
e.g. (ammonia,
carbon dioxide freon),
Alcohol & Glycol
Motor fuel keton, ester
ether
-30 Deg. C to 90 Deg. C
 
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34, Pune Small Scale Industrial Estate, Gultekdi, Pune, Maharashtra 411037
PH. : +91-20-2426 9783, +91-20-2426 1679. FAX : +91-20-2426 9783.