No. Part Materials 
1 Body ASTM A105 
2 Seat ASTM A276 - 410+STL 
3 Wedge ASTM A276 - 420 
4 Stem ASTM A276 - 410 
5 Bonnet Gasket SS 304+ Flexible Graphite
6 Bonnet ASTM A105 
7 Packing Flexible Graphite 
8 Packing Flexible Graphite 
9 Pin ASTM A276 -304 
10 Gland ASTM A276 - 420 
11 Eye Bolt ASTM A193 B7 
12 Gland Flange ASTM A105 
13 Eye Bolt Nut ASTM A194 2H 
14 Gasket ASTM A276 - 410 
15 Stem Nut ASTM A276 - 410 
16 Handwheel ASTM A197 
17 Handwheel Nut ASTM A194 2H 
18 Bonnet Bolt ASTM A193 B7 
19 Name Plate Aluminum

尺寸：
Size 1/2 15 3/4 20 1 25 11/4 32 11/2 40 2 50 
L 6.60 165 7.48 190 8.50 216 9.00 229 9.49 241 11.50 292 
B1 5.39 137 5.39 137 6.46 164 7.68 195 8.18 208 9.37 238 
B2 6.00 153 6.00 153 7.28 185 8.74 222 9.45 240 11.00 279 
W 3.93 100 3.93 100 4.92 125 6.30 160 6.30 160 7.09 180 
G 3.74 95 4.65 118 4.88 124 5.24 133 6.14 156 6.60 165 
E 2.64 67 3.27 83 3.50 89 3.90 99 4.53 115 5.00 127 
E1 1.38 35 1.69 43 2.00 51 2.52 64 2.87 73 3.64 92 
E2 0.51 13 0.51 13 0.71 18 0.94 24 1.14 29 1.45 36.8 
T 0.59 15 0.63 16 0.71 18 0.83 21 0.91 23 1.00 26 
F 0.25 6.4 0.25 6.4 0.25 6.4 0.25 6.4 0.25 6.4 0.25 6.4 
 n - Ф 4-15 4-19 4-19 4-19 4-22 8-19 
Lbs 9.26 12.79 19.40 26.46 34.40 43.00 Weight Kg 4.2 5.8 8.8 12 15.6 19.5