铸铁暗杆闸阀,德标PN16  
 
Application
1 Face to face is according to DIN3202-F4
2 Flange drilled is according to DIN2532/2533/2501
3 Nominal pressure PN10/PN16
 
Test
Working pressure PN10 PN16
Shell pressure 1.5MPa 2.4MPa
Seat pressure 1.1Mpa 1.76MPa
 
Main Parts and Materials
Number Part Name Material
1 Body EN-GJL-250
2 Seat ring Brass
3 Wedge CI+Brass
5 Wedge Nut Brass
6 Stem AISI 420
7 Bonnet Gasket EPDM
9 Bonnet EN-GJL-250
12 Stem Sealing EPDM O Ring
13 Stuffing Nut Brass
21 Dust Guard EPDM/NBR
 
Main Dimensions
Size L D D1 D2 b n-d H W W.T
DN40 140 150 110 88 16 4-18 260 130 8.6
DN50 150 165 125 102 18 4-18 265 130 10.9
DN65 170 185 145 122 18 4-18 293 130 14.2
DN80 180 200 160 138 20 8-18 318 150 20.3
DN100 190 220 180 158 20 8-18 349 185 22.8
DN125 200 250 210 188 20 8-18 416 185 33.9
DN150 210 285 240 212 22 8-22 456 195 42
DN200 230 340 295 268 24 8-22 537 225 63.4
DN250 250 395 350 320 26 12-22 659 245 91.8
DN300 270 445 400 370 26 12-22 718 285 138.6