TUFGATE Aluminum Stop Gates are widely used in wastewater treatment plant design. Designed for flow control with minimal seepage. The gates consist of 1/4" aluminum plates reinforced with aluminum structural shapes. The gates can be designed in-house for most any width and head.

The frames are aluminum extrusions, alloy 6063-T6 and incorporate a continuous concrete anchor. Embedded as well as face mounted frames are available. Anti-friction inserts are an option for each frame type. The inserts serve to reduce the required lifting capacity of the gates.
Features
  • 1/4" aluminum plates and reinforcing of alloy 6061-T6
  • Extruded aluminum guides alloy 6063-T6
  • Lift handles
  • Portion of aluminum in contact with concrete is painted with bitumastic​
​Options
  • Reinforced for most standard sizes
  • Design calculations
  • Anti-friction inserts of ultra high molecular weight polyethelene (UHMWPE)

Drawings

Selection Guide

Disc Thickness = 0.25 inch
Disc Height = 36 inches
Head - 6 Inches
WIDTH (Inches)
STRESS (kei)
DEFLECTION (Inches)
LIFT FORCE with UHMWPE
LIFT FORCE w/out UHMWPE
12
0.37
0.00
11.58
19.99
18
0.84
0.02
17.34
29.98
24
1.50
0.07
23.12
39.97
30 *
0.07
0.000
33.98
55.02
36 *
0.10
0.001
40.78
66.03
42 *
0.13
0.001
47.55
77.03
48 *
0.17
0.002
55.34
88.04
Head - 12 Inches
WIDTH (Inches)
STRESS (kei)
DEFLECTION (Inches)
LIFT FORCE with UHMWPE
LIFT FORCE w/out UHMWPE
12
0.75
0.01
14.37
48.07
18
1.68
0.05
21.55
72.10
24
0.09
0.000
32.79
100.18
30 *
0.14
0.001
40.98
125.22
36 *
0.19
0.002
49.18
150.27
42 *
0.27
0.003
47.55
175.31
48 *
0.35
0.005
54.34
200.38
Head - 18 Inches
WIDTH (Inches)
STRESS (kei)
DEFLECTION (Inches)
LIFT FORCE with UHMWPE
LIFT FORCE w/out UHMWPE
12
1.12
0.01
19.05
94.87
18
2.53
0.07
28.57
142.30
24
0.13
0.000
42.15
193.78
30 *
0.20
0.001
52.88
242.22
36 *
0.29
0.002
63.22
290.67
42 *
0.40
0.004
73.78
339.11
48 *
0.52
0.007
84.29
397.56
Head - 24 Inches
WIDTH (Inches)
STRESS (kei)
DEFLECTION (Inches)
LIFT FORCE with UHMWPE
LIFT FORCE w/out UHMWPE
12
1.50
0.02
25.80
180.39
18
3.37
0.09
38.40
240.58
24
0.17
0.001
55.25
324.82
30 *
0.27
0.002
89.08
408.02
36 *
0.39
0.003
82.88
487.23
42 *
0.53
0.008
98.89
588.43
48 *
0.69
0.010
110.50
649.64

Specifications

1) Stop Gate Guides are to be extruded aluminum, alloy 6063-T6 or 6061-T6. If required, the stop gate frames shall incorporate an anti-friction UHMW insert to reduce the coefficient of friction to 0.2 or less.

2) Stop Gate Disc shall be a minimum of .25" thick aluminum plate, alloy 6061-T6. The disc shall incorporate a lift handle for hand operation. The disc shall be stiffened as required to meet the loading requirements of the intended application with a minimum of deflection. Design calculations shall be furnished upon request.

3) Surfaces in contact with concrete shall be protected with a shop coat of bitumastic paint.

4) Aluminum Stop Gates shall be "TUFGATE" as manufactured by Thompson Fabricating, LLC (B’ham., AL.) or approved equal.