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 |