Rubber valve back valve
Nominal diameter: DN50 ~ 600mm
Nominal pressure: PN1.0 ~ 1.6MPa
Medium: Water and weak corrosive fluid
Suitable temperature: 0 ~ 80 ℃
Flange Standard: GB / T17241.6, GB / T 9113
Test standards: GB / T13927, API598
The main part material
Part Name |
Body |
cap |
Disc |
material |
cast iron |
cast iron |
Steel + reinforced nylon cloth |
The main specifications
Model |
Nominal pressure PN (MPa) |
Seal test pressure (MPa) |
Shell test pressure (MPa) |
Maximum working pressure (MPa) |
Medium insulation |
H44X-10 |
1.0 |
1.1 |
1.5 |
1.0 |
0-80 ° C |
H44X-16 |
1.6 |
1.76 |
2.4 |
|
The main dimensions (flange connection size according to the provisions of GB4216)
Model |
DN |
L |
D |
D1 |
dn |
n |
H44X-10 16 |
50 |
203 |
165 |
125 |
17.5 |
4 |
65 |
216 |
185 |
145 |
17.5 |
4 |
|
80 |
241 |
200 |
160 |
17.5 |
8 |
|
100 |
292 |
220 |
180 |
17.5 |
8 |
|
150 |
356 |
285 |
240 |
22 |
8 |
|
200 |
495 |
240 |
295 |
22 |
8 |
|
250 |
622 |
395 |
350 |
22 |
12 |
|
300 |
698 |
445 |
400 |
22 |
12 |
|
350 |
787 |
505 |
460 |
22 |
16 |
|
400 |
914 |
565 |
515 |
22 |
16 |
|
450 |
978 |
615 |
565 |
26 |
20 |
|
500 |
978 |
670 |
620 |
26 |
20 |
|
600 |
1295 |
780 |
725 |
30 |
20 |