NON RETURN VALVE- PN 400 SINGLE FERRULE METRIC 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, A 479 SS304, A 479 SS316, Monel, Hastelloy |
Finish | CS zinc plated and dichromated. SS Natural |
MODEL No. NRD
Series |
Tube O.D. |
S1 |
S2 |
L 1 |
L2 |
Part No. |
Approx. |
||||||
L SERIES PN 250 |
6 |
22 |
14 |
56 |
86 |
NRD-6-L |
8 |
22 |
17 |
56 |
86 |
NRD-8-L |
|
10 |
27 |
19 |
69 |
99 |
NRD-10-L |
|
12 |
27 |
22 |
71 |
101 |
NRD-12-L |
|
15 |
32 |
27 |
75 |
105 |
NRD-15-L |
|
18 |
41 |
32 |
85 |
118 |
NRD-18-L |
|
22 |
41 |
36 |
89 |
122 |
NRD-22-L |
|
28 |
50 |
41 |
98 |
131 |
NRD-28-L |
|
35 |
65 |
50 |
118 |
161 |
NRD-35-L |
|
42 |
65 |
60 |
117 |
163 |
NRD-42-L |
|
S SERIES PN 400 |
6 |
22 |
17 |
61 |
91 |
NRD-6-S |
8 |
22 |
19 |
61 |
91 |
NRD-8-S |
|
10 |
27 |
22 |
70 |
103 |
NRD-10-S |
|
12 |
27 |
24 |
72 |
105 |
NRD-12-S |
|
14 |
32 |
27 |
77 |
113 |
NRD-14-S |
|
16 |
32 |
30 |
77 |
114 |
NRD-16-S |
|
20 |
41 |
36 |
88 |
131 |
NRD-20-S |
|
25 |
50 |
46 |
97 |
145 |
NRD-25-S |
|
30 |
50 |
50 |
100 |
153 |
NRD-30-S |
|
38 |
65 |
60 |
119 |
181 |
NRD-38-S |
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 B 36.10 & 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 WNRD 16-S, WNRD 38-S. etc