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DPP offers Ball Check valves with free floating ball. It has only moving part is ball so having least maintenance. They are available with various elastomer seat like Neoprene, EPDM , Hyplon , Viton for compatibility with different chemicals.The solid PP I PVDF ball shuts-off on elastomer seats give no chance of leakage. The free floating ball is fully supported by guide ribs for full flow and minimum turbulence. DPP - Ball Check valves are available with long and short pattern. These valves are recommended for pressure rating of PN 10 & every valve is hydro tested at PN 10.
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There valves are available with flange drilling as per BS Table, ASA, DIN or any other standard and face to face length to DIN 3202 also available. |
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:: Feature :::::::::::::::::::::::::::::::::..........
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. Free floating ball allows maximum flow through valve.
. The only moving part is ball, so least maintenance.
. The solid Isotactic PP / PVDF ball shuts,-ojf on elastomer seat gives no chance of leakage.
. Ball fully supported by guid ribs for full flow & minimum turbulence.
. Available with various elastomer seat like Neoprene Hipline, EPDM, Viton for Compitability with different chemicals.
. Ball sealing at a minimum water column of 1 meter.
. Also available with short pattern lengths.
. Available with all type off lange drilling like B S., ASA-150, DIN or any other as required.
. Each valve is hydro tested @ 10 kg / cm2 pressure.
. Face to face length to DIN 3202 also available. |
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:: Diamension :::::::::::::::::::::::::::::::::.......... |
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TOLERANCE L&T DIMENSIONS ARE ± 2mm |
No. |
PARTS |
QTY |
MATERIAL |
1
|
BODY |
01 |
ISOTACTIC PP |
2 |
FLANGE |
02 |
ISOTACTIC PP |
3 |
BALL |
01 |
ISOTACTIC PP |
4 |
BALL GUIDE RING |
01 |
ISOTACTIC PP |
5 |
'O' RING |
02 |
EPCM |
6 |
'O' RING |
01 |
EPCM |
7 |
STUD & NUT |
06 |
M.S. |
8 |
CAP |
12 |
ISOTACTIC PP |
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SIZE |
D1 |
D2 |
D3 |
T |
L |
d |
Nos. of
HOLES |
25 |
25.4 |
82.5 |
114.3 |
16.0 |
150 |
16 |
4 |
32 |
32.0 |
87.3 |
133.0 |
18.0 |
175 |
16 |
4 |
40 |
38.1 |
98.4
|
133.0 |
18.0 |
175 |
16 |
4 |
50 |
50.8 |
114.3 |
152.0 |
21.0 |
180 |
19 |
4 |
65 |
63.5 |
127.0 |
165.0 |
23.0 |
241 |
19 |
4 |
80 |
76.2 |
146.0 |
184.0 |
26.0 |
241 |
19 |
4 |
100 |
101.6 |
177.8 |
216.0 |
28.0 |
350 |
19 |
8 |
150 |
152.4 |
235.0 |
279.5 |
31.0 |
480 |
19 |
8 |
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All dimensions are in mm * PN = Pressure Rating Kg / cm2 ** Cv Value =Ø
*** CV Value = No. of u.s. gallons per minute of Water that will flow through valve with one psi pressure drop (1 U.S. gal. = 3.78 liters) |
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:: Diamension :::::::::::::::::::::::::::::::::.......... |
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