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.