铸铁明杆闸阀,美标125LB  
 
Application
1 Design According to ANSI B16.1 Class 125/Class 150
2 Flange End Face to ANSI B16.1 Class 125/Class 150
3 For water,neutral liquids and oil,gas
 
Main Parts and Materials
Number Part Name Material
1 Body Grey Iron A126-B
2 Seat Ring Brass
4 Wedge Ring Brass
6 Stem AISI 420
7 Bonnet Gasket Graphite
9 Back Seat Bronze
12 Packing Graphite
14 Gland Follower ASTM A536 65-45-12
15 Stem Nut Brass
16 Retaining Nut ASTM A126B
 
Main Dimensions
Norminal  diameter L D D1 b n-d w H(open)
50 177.80 152 120.7 15.9 4×Φ19 178 375
65 190.50 178 139.5 17.5 4×Φ19 178 408
80 203.20 190 152.5 19.1 4×Φ19 190 442
100 228.60 229 190.5 23.9 8×Φ19 250 545
125 254.00 254 216 23.9 8×Φ22 300 656
150 266.70 279 241.5 25.4 8×Φ22 356 770
200 292.10 343 298.5 28.6 8×Φ22 400 959
250 330.20 406 362 30.2 12×Φ25 457 1255
300 355.60 483 432 31.8 12×Φ25 508 1443