| Design and Manufacture |
Face to Face |
Flange End |
| DIN3352 |
DIN3202 F4 |
EN1092-2 |
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| Main parts and materials |
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| No. |
Parts name |
Material |
| 1 |
Body |
Ductile Iron/Grey Iron |
| 3 |
Wedge |
Ductile Iron/Grey Iron |
| 2 |
Stem |
Carbon Steel/Stainless Steel |
| 4 |
Seat |
Brass/Stainless Steel |
| 5 |
Bolt |
Carbon Steel |
| 6 |
Nut |
Carbon Steel |
| 7 |
Gasket |
Graphite |
| 8 |
Cover |
Ductile Iron/Grey Iron |
| 9 |
Gasket |
Graphite |
| 10 |
Packing Box |
Grey Iron |
| 11 |
Studs |
Carbon Steel |
| 12 |
Nut |
Carbon Steel |
| 13 |
Packing Gland |
Carbon Steel |
| 14 |
Handwheel |
Ductile Iron/Carbon Steel |
| 15 |
Lock Nut |
Carbon Steel |
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| Outing and connecting measurement |
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| DN |
L |
D |
D1 |
D2 |
b |
f |
N-?D |
| 50 |
150 |
165 |
125 |
99 |
20 |
2 |
4-?19 |
| 65 |
170 |
185 |
145 |
118 |
20 |
2 |
4-?19 |
| 80 |
180 |
200 |
180 |
132 |
22 |
2 |
8-?19 |
| 100 |
190 |
220 |
180 |
156 |
22 |
2 |
8-?19 |
| 125 |
200 |
250 |
210 |
184 |
24 |
2 |
8-?19 |
| 150 |
210 |
285 |
240 |
211 |
24 |
2 |
8-?23 |
| 200 |
230 |
340 |
295 |
262 |
27 |
2 |
8-?23 |
| 250 |
250 |
395 |
355 |
314 |
30 |
2 |
12-?23 |
| 300 |
270 |
445 |
410 |
365 |
30 |
2 |
12-?23 |
