NON RETURN VALVE-PN 400 SINGLE FERRULE TUBE / PIPE ENDS
| 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/cm 2 | HYDROSTATIC | : | Body - 630 KG/cm 2 |
| : | 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 | L | L1 | L2 Approx. | PART No. |
| L SERIES PN 250 | 6 | 1/8" | 22 | 14 | 08 | 53 | 68 | NRZ - 6LR nr |
8 | 1/4" | 22 | 17 | 12 | 53.5 | 68.5 | NRZ - 8LR nr | |
10 | 1/4" | 27 | 19 | 12 | 66.5 | 81.5 | NRZ - 10LR nr | |
12 | 3/8" | 27 | 22 | 12 | 66.5 | 81.5 | NRZ - 12LR nr | |
15 | 1/2" | 32 | 27 | 14 | 73 | 88 | NRZ - 15LR nr | |
18 | 1/2" | 41 | 32 | 14 | 83.5 | 99 | NRZ - 18LR nr | |
22 | 3/4" | 41 | 36 | 16 | 86 | 102 | NRZ - 22LR nr | |
28 | 1" | 50 | 41 | 18 | 94 | 200.5 | NRZ - 28LR nr | |
35 | 1-1/4" | 50 | 50 | 20 | 115 | 136.5 | NRZ - 35LR nr | |
| S SERIES PN 400 | 6 | 1/4" | 22 | 17 | 12 | 55.5 | 70.5 | NRZ - 6SR nr |
8 | 1/4" | 22 | 19 | 12 | 55.5 | 70.5 | NRZ - 8SR nr | |
10 | 3/8" | 27 | 22 | 12 | 67 | 83.5 | NRZ - 10SR nr | |
12 | 3/8" | 27 | 24 | 12 | 67 | 83.5 | NRZ - 12SR nr | |
14 | 1/2" | 32 | 27 | 14 | 72.5 | 90.5 | NRZ - 14SR nr | |
16 | 1/9" | 32 | 30 | 14 | 73.5 | 92 | NRZ - 16SR nr | |
20 | 3/4" | 41 | 36 | 16 | 84 | 105.5 | NRZ - 20SR nr | |
25 | 1" | 50 | 46 | 18 | 93.5 | 117.5 | NRZ - 25SR nr | |
30 | 1-1/4" | 50 | 50 | 20 | 96 | 122.5 | NRZ - 30SR nr | |
38 | 1-1/2" | 65 | 60 | 22 | 115.5 | 146.5 | NRZ - 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 1- 1/2″ OD and nominal bore pipes to BS : 1387-1957/ANSI B36.10 & 36.19 from 1/8″ NB to 1-1/2″ NB also available with “O” ring weld nipple ends in PN 400 series. Add prefix “W” to the part number as WNRZ 16-SRnr, WNRZ 38-SRnr, etc.
