NON RETURN VALVE- PN 400 PIPE/SINGLE FERRULE TUBE ENDS
Cracking Pressure | 0.3TO 0.5 Kg/cm2 - Standard Special Cracking Pressure Available |
Test Pressure | 25° C Room Temperature |
Series | L Series S Series |
PN 250 PN 400 | |
Hydrostatic | Body - 375 Kg/cm2 Body - 630 Kg/cm2 Seat - 250 Kg/cm2 Body - 400 Kg/cm2 |
Pneumatic | Seat - 40 Kg/cm2 Seat - 40 Kg/cm2 |
Seal | BUNA 'N', VITON |
Material | A 105, IS 2062 |
Finish | CS zinc plated and dichromated |
MODEL No. NRV
SERIES | TUBE O.D | BSP THRDS G | S1 | S2 | L1 | L2 Approx. | L | PART No. |
L SERIES PN 250 | 6 | 1/8" | 22 | 14 | 55 | 76 | 8 | NRV - 6LR nr |
8 | 1/4" | 22 | 17 | 55.5 | 76.5 | 12 | NRV - 8LR nr | |
10 | 1/4" | 27 | 19 | 68.5 | 83.5 | 12 | NRV - 10LR nr | |
12 | 3/8" | 27 | 22 | 67.5 | 82.5 | 12 | NRV - 12LR nr | |
15 | 1/2" | 32 | 27 | 72 | 87 | 14 | NRV - 15LR nr | |
18 | 1/2" | 41 | 32 | 82.5 | 99 | 14 | NRV - 18LR nr | |
22 | 3/4" | 41 | 36 | 85 | 101.5 | 16 | NRV - 22LR nr | |
28 | 1" | 50 | 41 | 94 | 200.5 | 18 | NRV - 28LR nr | |
35 | 1-1/4" | 50 | 50 | 95 | 116.5 | 20 | NRV - 35LR nr | |
42 | 1-1/2" | 65 | 60 | 114.5 | 137.5 | 22 | NRV - 42LR nr | |
S SERIES PN 400 | 6 | 1/4" | 22 | 17 | 63.5 | 78.5 | 12 | NRV - 6SR nr |
8 | 1/4" | 22 | 19 | 63.5 | 78.5 | 12 | NRV - 8SR nr | |
10 | 3/8" | 27 | 22 | 69 | 85.5 | 12 | NRV - 10SR nr | |
12 | 3/8" | 27 | 24 | 67.5 | 84.5 | 12 | NRV - 12SR nr | |
14 | 1/2" | 32 | 27 | 73 | 91 | 14 | NRV - 14SR nr | |
16 | 1/2" | 32 | 30 | 73.5 | 92 | 14 | NRV - 16SR nr | |
20 | 3/4" | 41 | 36 | 84 | 105.5 | 16 | NRV - 20SR nr | |
25 | 1" | 50 | 46 | 93.5 | 117.5 | 18 | NRV - 25SR nr | |
30 | 1-1/4" | 50 | 50 | 97 | 123.5 | 20 | NRV - 30SR nr | |
38 | 1-1/2" | 65 | 60 | 115.5 | 146.5 | 22 | NRV - 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.