7DZ45T-10 FLANGE END NON-RISING STEM GATE VALVE
Technical application
1.Design, manufacture conforms to DIN3352
2.Face to face dimension conforms to series 14 of BS EN558-1
3.Flange drilled conform BSEN1092
Scope of Application
Norminal pressure | DN40-300 | DN350-400 | 1.0MPa | 0.4MPa | Suitable medium | Water,oil,steam | Testing pressure | Shell | 1.5MPa | 0.6MPa | Seat | 1.1MPa | 0.44MPa | Testing time | DN40-150 | 60s | Dn＞150 | 120s |
Dimensions--millimeter
DN | L | D | D1 | D2 | B | f | n-d | Do | 40 | 140 | 150 | 110 | 84 | 18 | 3 | 4-19 | 155 | 50 | 150 | 165 | 125 | 102 | 18 | 3 | 4-19 | 155 | 65 | 170 | 185 | 145 | 122 | 18 | 3 | 4-19 | 155 | 80 | 180 | 200 | 160 | 138 | 20 | 3 | 8-19 | 190 | 100 | 190 | 220 | 180 | 158 | 20 | 3 | 8-19 | 245 | 125 | 200 | 250 | 210 | 188 | 22 | 3 | 8-19 | 245 | 150 | 210 | 285 | 240 | 212 | 22 | 3 | 8-23 | 305 | 200 | 230 | 340 | 295 | 266 | 26 | 3 | 12-23 | 305 | 250 | 250 | 395 | 350 | 319 | 28 | 3 | 12-28 | 305 | 300 | 270 | 445 | 400 | 370 | 28 | 4 | 12-28 | 305 | 350 | 290 | 505 | 460 | 430 | 28 | 4 | 16-23 | 305 | 400 | 310 | 565 | 515 | 482 | 28 | 4 | 16-28 | 305 |
Material list
N O. | Name of part | Material | Germany standard | Chinese standard | 1 | body | cast iron | DIN1691 GG25 | GB9439-88 HT250 | 2 | body seat ring | cast brass | DIN17656 G-CuZn37Pb | GB1176-87 ZCuZn40Pb2 | 3 | wedge | cast iron | DIN1691 GG25 | GB9439-88 HT250 | 4 | wedge seat ring | cast brass | DIN17656 G-CuZn37Pb | GB1176-87 ZCuZn40Pb2 | 5 | stem nut | cast brass |
| GB1176-87 ZCuZn38Mn2Pb2 | 6 | bolt | steel | DIN17100 RSt37-2 | GB700-88 Q235 | 7 | nut | steel | DIN17100 RSt37-2 | GB700-88 Q235 | 8 | gasket | NBR |
|
| 9 | stem | stainless steel | DIN17440 X20Cr13 | GB1220-92 2Cr13 | 10 | bonnet bush | cast brass | DIN17656 G-CuZn37P | GB1176-87 ZCuZn40Pb2 | 11 | stem washer | Delrin |
|
| 12 | packing washer | Delrin |
|
| 13 | bonnet | cast iron | DIN1691 GG25 | GB9439-88 HT250 | 14 | packing | NBR |
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| 15 | packing washer | Delrin |
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| 16 | gland nut | cast brass | DIN17656 G-CuZn37Pb | GB1176-87 ZCuZn40Pb2 | 17 | hand wheel | cast iron | DIN1691 GG25 | GB9439-88 HT250 | 18 | washer | steel | DIN17100 RSt37-2 | GB700-88 Q235 | 19 | nut | steel | DIN17100 RSt37-2 | GB700-88 Q235 |
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