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COMPACT NON RETURN VALVE PIPE/SINGLE FERRULE TUBE ENDS |
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| DESCRIPTION |
| Sealing by 90° cone with packing washer of synthetic material. Valve lift stops therefore safe free outlet shock-absorbing and muffled opening. No reduction of cross section. maximum flow rate not more than 4-5 m/sec. |
| Cracking Pressure |
0.3TO 0.5 Kg/cm2 - Standard
Special Cracking Pressure Available |
| Test Pressure |
@ 25° C Room Temperature |
Series
|
L Series S Series |
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PN 250 PN 400 |
| Hydrostatic |
Body - 375 Kg/cm2 Body - 630 Kg/cm2
Seat - 250 Kg/cm2 Body - 400 Kg/cm2 |
| Pneumatic |
Seat - 40 Kg/cm2 Seat - 40 Kg/cm2 |
| Seal |
BUNA 'N', VITON |
| Material |
A 105, IS 2062 |
| Finish |
CS zinc plated and dichromated |
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SERIES |
TUBE O.D |
BSP THRDS
G
|
S1 |
S2 |
S3 |
L
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L1 |
L2
Approx. |
PART No. |
|
6 |
1/8" |
17 |
14 |
17 |
8 |
26.5 |
41 |
CVV- 6LR nr |
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8 |
1/4" |
19 |
17 |
19 |
12 |
28.5 |
43 |
CVV- 8LR nr |
|
10 |
1/4" |
22 |
19 |
24 |
12 |
38.5 |
53 |
CVV- 10LR nr |
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12 |
3/8" |
27 |
22 |
30 |
12 |
40 |
55 |
CVV- 12LR nr |
L
SERIES
PN 250
|
15 |
1/2" |
27 |
27 |
32 |
14 |
42.5 |
57.5 |
CVV- 15LR nr |
|
18 |
1/2" |
36 |
32 |
36 |
14 |
48 |
64 |
CVV- 18LR nr |
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22 |
3/4" |
41 |
36 |
46 |
16 |
56 |
72 |
CVV- 22LR nr |
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28 |
1" |
50 |
41 |
55 |
18 |
66 |
80.5 |
CVV- 28LR nr |
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35 |
1-1/4" |
60 |
50 |
60 |
20 |
70 |
91.5 |
CVV- 35LR nr |
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42 |
1-1/2" |
65 |
60 |
70 |
22 |
70.5 |
93 |
CVV- 42LR nr |
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6 |
1/4" |
19 |
17 |
19 |
12 |
31.5 |
46 |
CVV- 6SR nr |
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8 |
1/4" |
19 |
19 |
19 |
12 |
31.5 |
46 |
CVV- 8SR nr |
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10 |
3/8" |
22 |
22 |
24 |
12 |
38 |
54 |
CVV- 10SR nr |
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12 |
3/8" |
24 |
24 |
27 |
12 |
41 |
57 |
CVV- 12SR nr |
S
SERIES
PN 400 |
14 |
1/2" |
27 |
27 |
32 |
14 |
43.5 |
61 |
CVV- 14SR nr |
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16 |
1/9" |
32 |
30 |
36 |
14 |
46 |
64 |
CVV- 16SR nr |
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20 |
3/4" |
41 |
36 |
46 |
16 |
50 |
71.5 |
CVV- 20SR nr |
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25 |
1" |
46 |
46 |
50 |
18 |
54.5 |
78.5 |
CVV- 25SR nr |
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30 |
1-1/4" |
60 |
50 |
60 |
20 |
64 |
90.5 |
CVV- 30SR nr |
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38 |
1-1/2" |
65 |
60 |
70 |
22 |
71.5 |
102 |
CVV- 38SR nr |
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NOTE : Ends are Tube connections to DIN : 2353, BS : 4368, IS : 8805 for Metric tube sizes. They are also available
in inch OD tubes to BS : 3601/3602/3005 from 1/4" OD to 1½" OD and nominal bore pipes to BS :
1387-1957/ANSI B36.10 & 36.19 from 1/8" NB to 1½"NB. Also available with "O" ring weld nipple ends in PN
400 series. Add prefix "W" to the part number as WCVZ 16-SR nr, WCVZ 38-SR nr, etc. |
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