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.