The Model M Series expanding gate valve consists of one gate body and one related segment. The middle contact surface is designed to a milled V Structure. The Model M Series Gate Valves are available in 2-1/16" through 7-1/16" and a Working Pressure of 2000 PSI through 5000 PSI.
Model M Gate Valve Features
- The upper and lower roller thrust bearings minimize operational torque
- Seats can be lubricated from grease injection fittings to reduce abrasion and promote long life
- Non-rising stem design minimizes operational space

Threaded End Model M Gate Valve Dimensions
- Thread face to face
- Bore centerline to bottom of valve
- Bore centerline to hand wheel top
- Hand wheel diameter
2000 PSI Working Pressure
Size | Bore | A | B | C | D | Weight |
| in | mm | in | mm | in | mm | in | mm | in | mm | lb | kg |
2-1/16" |
2.06 |
52.4 |
9.63 |
245 |
4.92 |
125 |
18.70 |
475 |
11.02 |
280 |
99 |
45 |
2-9/16" |
2.56 |
65.1 |
10.25 |
260 |
5.91 |
150 |
19.09 |
485 |
12.99 |
330 |
132 |
60 |
3-1/8" |
3.13 |
79.4 |
11.42 |
290 |
7.48 |
190 |
21.65 |
550 |
12.99 |
330 |
198 |
90 |
4-1/16" |
4.06 |
103.2 |
12.99 |
330 |
8.86 |
225 |
24.61 |
625 |
12.99 |
330 |
276 |
125 |
3000 PSI Working Pressure
Size | Bore | A | B | C | D | Weight |
| in | mm | in | mm | in | mm | in | mm | in | mm | lb | kg |
2-1/16" |
2.06 |
52.4 |
9.63 |
245 |
4.92 |
125 |
18.70 |
475 |
12.99 |
330 |
110 |
50 |
2-9/16" |
2.56 |
65.1 |
10.25 |
260 |
6.10 |
155 |
19.29 |
490 |
15.75 |
400 |
143 |
65 |
3-1/8" |
3.13 |
79.4 |
11.42 |
290 |
7.48 |
190 |
21.65 |
550 |
15.75 |
400 |
198 |
90 |
4-1/16" |
4.06 |
103.2 |
12.99 |
330 |
8.86 |
225 |
24.61 |
625 |
15.75 |
400 |
276 |
125 |
5000 PSI Working Pressure
Size | Bore | A | B | C | D | Weight |
| in | mm | in | mm | in | mm | in | mm | in | mm | lb | kg |
2-1/16" |
2.06 |
52.4 |
9.63 |
245 |
4.92 |
125 |
18.70 |
475 |
12.99 |
330 |
110 |
50 |
2-9/16" |
2.56 |
65.1 |
10.25 |
260 |
5.90 |
150 |
19.29 |
490 |
15.75 |
400 |
144 |
65 |
3-1/8" |
3.13 |
79.4 |
11.42 |
290 |
7.48 |
190 |
21.65 |
550 |
15.75 |
400 |
198 |
90 |
4-1/16" |
4.06 |
103.2 |
12.99 |
330 |
8.86 |
225 |
24.61 |
625 |
15.75 |
400 |
276 |
125 |
Flanged Model M Gate Valve Dimensions
- Flange face to face
- Bore centerline to bottom of valve
- Bore centerline to hand wheel top
- Hand wheel diameter
2000 PSI Working Pressure
Size | Bore | A | B | C | D | Weight |
| in | mm | in | mm | in | mm | in | mm | in | mm | lb | kg |
2-1/16" |
2.06 |
52.4 |
11.61 |
295 |
4.92 |
125 |
18.50 |
470 |
11.02 |
280 |
99 |
45 |
2-9/16" |
2.56 |
65.1 |
13.11 |
333 |
5.91 |
150 |
19.09 |
485 |
12.99 |
330 |
143 |
65 |
3-1/8" |
3.13 |
79.4 |
14.13 |
359 |
7.48 |
190 |
21.65 |
550 |
12.99 |
330 |
220 |
100 |
4-1/16" |
4.06 |
103.2 |
17.13 |
435 |
9.45 |
240 |
25.00 |
635 |
15.94 |
405 |
353 |
160 |
3000 PSI Working Pressure
Size | Bore | A | B | C | D | Weight |
| in | mm | in | mm | in | mm | in | mm | in | mm | lb | kg |
2-1/16" |
2.06 |
52.4 |
14.61 |
371 |
5.31 |
135 |
18.70 |
475 |
12.99 |
330 |
110 |
50 |
2-9/16" |
2.56 |
65.1 |
16.61 |
422 |
5.91 |
150 |
19.29 |
490 |
12.99 |
330 |
209 |
95 |
3-1/8" |
3.13 |
79.4 |
17.13 |
435 |
7.48 |
190 |
21.65 |
550 |
15.75 |
400 |
331 |
150 |
4-1/16" |
4.06 |
103.2 |
20.12 |
511 |
9.45 |
240 |
25.00 |
635 |
18.90 |
480 |
573 |
260 |
4-1/16" |
4.06 |
103.2 |
20.12 |
511 |
9.45 |
240 |
25.00 |
635 |
18.90 |
480 |
573 |
260 |
7-1/16" |
7.06 |
179.4 |
28.11 |
714 |
13.98 |
355 |
32.48 |
825 |
29.92 |
760 |
1235 |
560 |
5000 PSI Working Pressure
Size | Bore | A | B | C | D | Weight |
| in | mm | in | mm | in | mm | in | mm | in | mm | lb | kg |
2-1/16" |
2.06 |
52.4 |
14.61 |
371 |
5.11 |
130 |
18.70 |
475 |
12.99 |
330 |
110 |
50 |
2-9/16" |
2.56 |
65.1 |
16.61 |
422 |
5.91 |
150 |
19.29 |
490 |
15.75 |
400 |
232 |
105 |
3-1/8" |
3.13 |
79.4 |
18.62 |
473 |
7.48 |
190 |
21.65 |
550 |
15.75 |
400 |
331 |
150 |
4-1/16" |
4.06 |
103.2 |
21.61 |
549 |
9.45 |
240 |
25.00 |
635 |
18.90 |
480 |
617 |
280 |
7-1/16" |
7.06 |
179.4 |
32.01 |
813 |
13.98 |
355 |
32.48 |
825 |
29.92 |
760 |
1323 |
600 |