
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.