COMPACT NON RETURN VALVE SINGLE FERRULE TUBE / PIPE ENDS
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 | ||||
L Series | : | PN 250 | S SERIES | : | PN 400 |
HYDROSTATIC | : | Body - 375 Kg/cm2 | HYDROSTATIC | : | Body - 630 Kg/cm2 |
: | Seat - 250 Kg/cm2 | : | Seat - 400 Kg/cm2 | ||
PNEUMATIC | : | Seat - 40 Kg/cm2 | PNEUMATIC | : | Seat - 40 Kg/cm2 |
Seal | BUNA 'N', VITON | ||||
Material | A 105, IS 2062 | ||||
Finish | CS zinc plated and dichromated. |
MODEL No. CVV
SERIES |
TUBE O.D |
BSP THRDS G |
S1 |
S2 |
S3 |
L
|
L1 |
L2 Approx. |
PART No. |
L SERIES PN 250 |
6 |
1/8" |
17 |
14 |
17 |
8 |
28 |
42.5 |
CVV- 6LR nr |
8 |
1/4" |
19 |
17 |
19 |
12 |
28 |
44.5 |
CVV- 8LR nr |
|
10 |
1/4" |
22 |
19 |
24 |
12 |
38.5 |
53 |
CVV- 10LR nr |
|
12 |
3/8" |
27 |
22 |
30 |
12 |
42.5 |
57 |
CVV- 12LR nr |
|
15 |
1/2" |
27 |
27 |
32 |
14 |
45.5 |
60.5 |
CVV- 15LR nr |
|
18 |
1/2" |
36 |
32 |
36 |
14 |
50 |
66 |
CVV- 18LR nr |
|
22 |
3/4" |
41 |
36 |
46 |
16 |
55 |
71 |
CVV- 22LR nr |
|
28 |
1" |
50 |
41 |
55 |
18 |
63 |
79.5 |
CVV- 28LR nr |
|
35 |
1-1/4" |
60 |
50 |
60 |
20 |
69 |
90.5 |
CVV- 35LR nr |
|
42 |
1-1/4" |
65 |
60 |
70 |
22 |
68.5 |
91 |
CVV- 42LR nr |
|
S SERIES PN 400 |
6 |
1/4" |
19 |
17 |
19 |
12 |
31.5 |
46 |
CVV- 6SR nr |
8 |
1/4" |
19 |
19 |
19 |
12 |
31.5 |
46 |
CVV- 8SR nr |
|
10 |
3/8" |
22 |
22 |
24 |
12 |
38 |
54 |
CVV- 10SR nr |
|
12 |
3/8" |
24 |
24 |
27 |
12 |
41 |
57 |
CVV- 12SR nr |
|
14 |
1/2" |
27 |
27 |
32 |
14 |
44.5 |
62 |
CVV- 14SR nr |
|
16 |
1/9" |
32 |
30 |
36 |
14 |
48 |
66 |
CVV- 16SR nr |
|
20 |
3/4" |
41 |
36 |
46 |
16 |
52 |
73.5 |
CVV- 20SR nr |
|
25 |
1" |
46 |
46 |
50 |
18 |
54.5 |
78.5 |
CVV- 25SR nr |
|
30 |
1-1/4" |
60 |
50 |
60 |
20 |
64 |
90.5 |
CVV- 30SR nr |
|
38 |
1-1/2" |
65 |
60 |
70 |
22 |
69.5 |
100 |
CVV- 38SR nr |
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 1 ½” NB Also available with “O” ring Weld nipple ends in PN 400 series. Add prefix “W” to the part number as WCVV 16-SR nr, WCVV 38-SR nr, etc