铸铁暗杆闸阀,英标PN16  
 
Application
1 Face to face is according to BS5163:1986,BS5150
2 Flange drilled is according to BS table E or D/BS4504
 
Test
Working pressure PN10 PN16
Shell pressure 1.5MPa 2.4MPa
Seat pressure 1.1MPa 1.76MPa
 
Main Parts and Materials
Item Part Name Material
1 Body EN-GJS-500-7
2 Wedge DI+EPDM/NBR
3 Wedge Nut Brass
4 Stem AISI 420
10 O Ring EPDM/NBR
11 O Ring EPDM/NBR
13 Stuffing Nut Brass
14 Gland Flange EN-GJS-500-7
22 Position Indicator Stainless Steel
23 Down Bush Brass
 
Main Dimensions
Size L D D1 D2 b n-d H H1 W W.T
DN40 165 150 110 88 19 4-19 240 310 180 10.3
DN50 178 165 125 99 19 4-19 250 320 180 11.5
DN65 190 185 145 118 19 4-19 265 335 180 15
DN80 203 200 160 132 19 8-19 300 370 200 18.5
DN100 229 220 180 156 19 8-19 350 420 200 24
DN125 254 250 210 184 19 8-19 410 480 250 32
DN150 267 385 240 211 19 8-23 550 620 320 63
DN200 292 340 295 266 20 12-23 550 620 320 63
DN250 330 405 355 319 22 12-28 650 720 350 92
DN300 356 460 410 370 24.5 12-28 710 780 380 135