L10 Swing check valve


L10 Swing check valve

Other variants:
L11 - with a weight
L16 - with a by-pass
L17 - with a weight and by-pass

 

Connecting dimensions and face to face:
Face to face: ČSN EN 558 (ČSN13 3044)
Flanges: ČSN EN 1092-1
Surface finish: ČSN EN 1092-1 typ B
Welded ends: ČSN EN 12 627

 

material Body Bonnet Disc Stem Weld deposit Gasket
5 1.0619 carbon steel carbon steel carbon steel 13%Cr graphite
0 1.4581 1.4581 1.4581 stainless steel - graphite
Power industry   Oil and gas   Oil refinery and petrochemical industry   Chemical industry   Water service   Food industry   Metalurgy and cooking plants   Other industry  


Chart o main Dimension - PN16 - ČSN EN 558 (48)

DN L H D k d4 b f n hm.
40 180 105 150 110 88 18 2 4 18 50 - 43,1 10
50 200 110 165 125 102 18 2 4 18 62 57,5 54,5 12
65 240 140 185 145 122 18 2 4 18 77 73,3 70,3 17
80 260 145 200 160 138 20 2 8 18 91 85,5 82,5 21
100 300 160 220 180 158 20 2 8 18 117 110,1 107,1 33
125 350 180 250 210 188 22 2 8 18 144 134,7 131,7 41
150 400 195 285 240 212 22 2 8 22 172 162,3 159,3 65
200 500 245 340 295 268 24 2 12 22 223 209,5 206,5 99
250 600 285 402 355 320 26 2 12 26 278 263,4 260,4 149

Chart of main Dimensions - PN16 / ČSN 13 3044

DN L H D k d4 b f n hm.
40 200 105 150 110 88 18 2 4 18 50 - 43,1 12
50 230 110 165 125 102 18 2 4 18 62 57,5 54,5 14
65 290 140 185 145 122 18 2 4 18 77 73,3 70,3 19
80 310 145 200 160 138 20 2 8 18 91 85,5 82,5 23
100 350 160 220 180 158 20 2 8 18 117 110,1 107,1 35
125 400 180 250 210 188 22 2 8 18 144 134,7 131,7 43
150 460 195 285 240 212 22 2 8 22 172 162,3 159,3 67
200 500 245 340 295 268 24 2 12 22 223 209,5 206,5 99
250 600 285 405 355 320 26 2 12 26 278 263,4 260,4 149
Note: At present, this standard is not preferred.