COMPACT NON RETURN VALVE PIPE/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 | ||||
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 | 26.5 | 41 | CVV- 6LR nr |
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 | |
12 | 3/8" | 27 | 22 | 30 | 12 | 40 | 55 | CVV- 12LR nr | |
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 | |
22 | 3/4" | 41 | 36 | 46 | 16 | 56 | 72 | CVV- 22LR nr | |
28 | 1" | 50 | 41 | 55 | 18 | 66 | 80.5 | CVV- 28LR nr | |
35 | 1-1/4" | 60 | 50 | 60 | 20 | 70 | 91.5 | CVV- 35LR nr | |
42 | 1-1/2" | 65 | 60 | 70 | 22 | 70.5 | 93 | 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 | 43.5 | 61 | CVV- 14SR nr | |
16 | 1/9" | 32 | 30 | 36 | 14 | 46 | 64 | CVV- 16SR nr | |
20 | 3/4" | 41 | 36 | 46 | 16 | 50 | 71.5 | 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 | 71.5 | 102 | 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 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.
