COMPACT NON RETURN VALVE SINGLE FERRULE TUBE 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. CVD
SERIES |
TUBE O.D |
S1 |
S2 |
S3 |
L2 |
L1 |
PART No. |
L SERIES PN 250 |
6 |
17 |
14 |
17 |
58 |
29 |
CVD - 6L |
8 |
19 |
17 |
19 |
59 |
30 |
CVD - 8L |
|
10 |
22 |
19 |
24 |
69.5 |
40.5 |
CVD - 10L |
|
12 |
27 |
22 |
30 |
72.5 |
43.5 |
CVD - 12L |
|
15 |
27 |
27 |
32 |
77.5 |
47.5 |
CVD - 15L |
|
18 |
36 |
32 |
36 |
83.5 |
51.5 |
CVD - 18L |
|
22 |
41 |
36 |
46 |
93.5 |
61.5 |
CVD - 22L |
|
28 |
50 |
41 |
55 |
102.5 |
69.5 |
CVD - 28L |
|
35 |
60 |
50 |
60 |
117.5 |
74.5 |
CVD - 35L |
|
42 |
65 |
60 |
70 |
119 |
74 |
CVD - 42L |
|
S SERIES PN 400 |
6 |
19 |
17 |
19 |
63.5 |
34.5 |
CVD - 42L |
8 |
19 |
19 |
19 |
63.5 |
34.5 |
CVD - 8S |
|
10 |
22 |
22 |
24 |
72.5 |
40.5 |
CVD - 10S |
|
12 |
24 |
24 |
27 |
74.5 |
42.5 |
CVD - 12S |
|
14 |
27 |
27 |
32 |
82.5 |
47.5 |
CVD - 14S |
|
16 |
32 |
30 |
36 |
86.5 |
50.5 |
CVD - 16S |
|
20 |
41 |
36 |
46 |
97.5 |
54.5 |
CVD - 20S |
|
25 |
46 |
46 |
50 |
106.5 |
58.5 |
CVD - 25S |
|
30 |
60 |
50 |
60 |
122.5 |
69.5 |
CVD - 30S |
|
38 |
65 |
60 |
70 |
136.5 |
75.5 |
CVD - 38S |
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 1 ½” 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 WCVD 16-S, WCVD 3S-S, etc.