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Reliable, Long-Lasting Horizontal Drag Conveyors

BROCK® Horizontal Drag Conveyors are available in a range of sizes to provide ultimate flexibility when designing a grain or material handling system. From whole grains to feed to fertilizer, Brock helps you get product where it needs to go. The conveyors are built for performance and endurance under the most demanding conditions and offer key features that extend life and increase productivity.

Brock’s Easy-Flo Drag Conveyors are designed provide reliable, long-lasting performance in most grain handling applications. BROCK Sur-Flo Conveyors are intended for applications that require 24/7 operation.


Features
Easy-Flo Conveyor Standards
  • All drives consist of shaft-mounted Class II reducer, sheaves, bushings, drive belts (2.0 Safety Factor), belt guard, torque arm bracket and motor mount.
  • Bottoms and side liners are made of hardened AR200 steel.
  • Galvanized finish standard. Stainless steel finish optional.
  • Conveyor sizes 9 x 13-inch (229 x 337-mm) thru 22 x 20-inch (559 x 514-mm) use UHMW chain return rollers. Conveyor sizes 26 x 20-inch (660 x 514-mm) and larger use a chain return rail system.
  • Flame cut steel, hardened rim C-hub sprocket. Split style is optional.
  • Maximum incline using standard equipment is 5°. Conveyors can be inclined to a maximum of 10° using close-spaced flights.
  • Standard 5° and 10° curve sections available for additional elevation of Easy-Flo and Sur-Flo conveyors.
feature
Additional Sur-Flo Conveyor Standards
  • Head and tail sections have lift out shafts and bearings for easy maintenance.
  • Bottom and side liners are made of AR400 steel.
  • Center pull take-up with hinged guide.
  • Walking tooth split sprockets.
feature
Specifications

Easy-Flo/Sur-Flo Drag Conveyor Capacities*

Size CapacityChain Speed  
W x H (Metric)Bushels per HourCu ft per HourTons per HourFPM (MPS)RPMReturn Type
9 x 13 in.
(229 x 337 mm)
2,000 bph2,500 cu ft/hr
(70.79 m3/hr)
60 tph
(54 mtph)
86 ft/min
(0.44 m/sec)
39Roller
2,500 bph3,125 cu ft/hr
(88.49 m3/hr)
75 tph
(68 mtph)
107 ft/min
(0.54 m/sec)
49Roller
3,000 bph3,750 cu ft/hr
(106.19 m3/hr)
90 tph
(82 mtph)
128 ft/min
(0.65 m/sec)
58Roller
3,500 bph4,375 cu ft/hr
(123.89 m3/hr)
105 tph
(95 mtph)
150 ft/min
(0.76 m/sec)
68Roller
4,000 bph5,000 cu ft/hr
(141.58 m3/hr)
120 tph
(109 mtph)
172 ft/min
(0.87 m/sec)
78Roller
4,500 bph5,625 cu ft/hr
(159.28 m3/hr)
135 tph
(123 mtph)
192 ft/min
(0.98 m/sec)
87Roller
12 x 13 in.
(305 x 337 mm)
4,000 bph5,000 cu ft/hr
(141.58 m3/hr)
120 tph
(109 mtph)
128 ft/min
(0.65 m/sec)
58Roller
5,000 bph6,250 cu ft/hr
(176.98 m3/hr)
150 tph
(136 mtph)
159 ft/min
(0.81 m/sec)
72Roller
6,000 bph7,500 cu ft/hr
(212.38 m3/hr)
180 tph
(163 mtph)
192 ft/min
(0.98 m/sec)
87Roller
16 x 13 in.
(406 x 337 mm)
5,000 bph6,250 cu ft/hr
(176.98 m3/hr)
150 tph
(136 mtph)
119 ft/min
(0.60 m/sec)
54Roller
6,000 bph7,500 cu ft/hr
(212.38 m3/hr)
180 tph
(163 mtph)
144 ft/min
(0.73 m/sec)
65Roller
7,000 bph8,750 cu ft/hr
(247.77 m3/hr)
210 tph
(191 mtph)
168 ft/min
(0.85 m/sec)
76Roller
8,000 bph10,000 cu ft/hr
(283.17 m3/hr)
240 tph
(218 mtph)
190 ft/min
(0.97 m/sec)
86Roller
9 x 17 in.
(229 x 438 mm)
4,000 bph5,000 cu ft/hr
(141.58 m3/hr)
120 tph
(109 mtph)
117 ft/min
(0.59 m/sec)
38Roller
5,000 bph6,250 cu ft/hr
(176.98 m3/hr)
150 tph
(136 mtph)
147 ft/min
(0.75 m/sec)
48Roller
6,000 bph7,500 cu ft/hr
(212.38 m3/hr)
180 tph
(163 mtph)
175 ft/min
(0.89 m/sec)
57Roller
6,500 bph8,125 cu ft/hr
(230.07 m3/hr)
195 tph
(177 mtph)
190 ft/min
(0.97 m/sec)
62Roller
12 x 17 in.
(305 x 438 mm)
6,000 bph7,500 cu ft/hr
(212.38 m3/hr)
180 tph
(163 mtph)
132 ft/min
(0.67 m/sec)
43Roller
7,000 bph8,750 cu ft/hr
(247.77 m3/hr)
210 tph
(191 mtph)
153 ft/min
(0.78 m/sec)
50Roller
7,500 bph9,375 cu ft/hr
(265.47 m3/hr)
225 tph
(204 mtph)
163 ft/min
(0.83 m/sec)
53Roller
8,000 bph10,000 cu ft/hr
(283.17 m3/hr)
240 tph
(218 mtph)
175 ft/min
(0.89 m/sec)
57Roller
9,000 bph11,250 cu ft/hr
(318.56 m3/hr)
270 tph
(245 mtph)
196 ft/min
(1.0 m/sec)
64Roller
16 x 17 in.
(406 x 438 mm)
7,500 bph9,375 cu ft/hr
(265.47 m3/hr)
225 tph
(204 mtph)
121 ft/min
(0.61 m/sec)
40Roller
8,000 bph10,000 cu ft/hr
(283.17 m3/hr)
240 tph
(218 mtph)
132 ft/min
(0.67 m/sec)
43Roller
9,000 bph11,250 cu ft/hr
(318.56 m3/hr)
270 tph
(245 mtph)
147 ft/min
(0.75 m/sec)
48Roller
10,000 bph12,500 cu ft/hr
(353.96 m3/hr)
300 tph
(272 mtph)
163 ft/min
(0.83 m/sec)
53Roller
16 x 20 in.
(406 x 514 mm)
9,000 bph11,250 cu ft/hr
(318.56 m3/hr)
270 tph
(245 mtph)
132 ft/min
(0.67 m/sec)
39Roller
10,000 bph12,500 cu ft/hr
(353.96 m3/hr)
300 tph
(272 mtph)
149 ft/min
(0.76 m/sec)
43Roller
12,500 bph15,625 cu ft/hr
(442.45 m3/hr)
375 tph
(340 mtph)
180 ft/min
(0.91 m/sec)
53Roller
20 x 20 in.
(508 x 514 mm)
10,000 bph12,500 cu ft/hr
(353.96 m3/hr)
300 tph
(272 mtph)
119 ft/min
(0.60 m/sec)
35Roller
12,500 bph15,625 cu ft/hr
(442.45 m3/hr)
375 tph
(340 mtph)
146 ft/min
(0.74 m/sec)
43Roller
15,000 bph18,750 cu ft/hr
(530.94 m3/hr)
450 tph
(408 mtph)
176 ft/min
(0.89 m/sec)
52Roller
22 x 20 in.
(559 x 514 mm)
12,500 bph15,625 cu ft/hr
(442.45 m3/hr)
375 tph
(340 mtph)
132 ft/min
(0.67 m/sec)
39Roller
15,000 bph18,750 cu ft/hr
(530.94 m3/hr)
450 tph
(408 mtph)
159 ft/min
(0.81 m/sec)
47Roller
17,000 bph21,250 cu ft/hr
(601.73 m3/hr)
510 tph
(463 mtph)
180 ft/min
(0.91 m/sec)
53Roller
26 x 20 in.
(660 x 514 mm)
15,000 bph18,750 cu ft/hr
(530.94 m3/hr)
450 tph
(408 mtph)
132 ft/min
(0.67 m/sec)
39Rail
17,500 bph21,875 cu ft/hr
(619.43 m3/hr)
525 tph
(476 mtph)
152 ft/min
(0.77 m/sec)
45Rail
20,000 bph25,000 cu ft/hr
(707.92 m3/hr)
600 tph
(544 mtph)
173 ft/min
(0.88 m/sec)
51Rail
28 x 20 in.
(711 x 514 mm)
17,500 bph21,875 cu ft/hr
(619.43 m3/hr)
525 tph
(476 mtph)
142 ft/min
(0.72 m/sec)
42Rail
20,000 bph25,000 cu ft/hr
(707.92 m3/hr)
600 tph
(544 mtph)
163 ft/min
(0.83 m/sec)
47Rail
22,500 bph28,125 cu ft/hr
(796.41 m3/hr)
675 tph
(613 mtph)
180 ft/min
(0.91 m/sec)
53Rail
26 x 26 in.
(660 x 667 mm)
22,500 bph28,125 cu ft/hr
(796.41 m3/hr)
675 tph
(613 mtph)
140 ft/min
(0.71 m/sec)
28Rail
25,000 bph31,250 cu ft/hr
(884.90 m3/hr)
750 tph
(681 mtph)
155 ft/min
(0.79 m/sec)
31Rail
27,500 bph34,375 cu ft/hr
(973.39 m3/hr)
825 tph
(749 mtph)
171 ft/min
(0.87 m/sec)
34Rail
28 x 26 in.
(711 x 667 mm)
25,000 bph31,250 cu ft/hr
(884.90 m3/hr)
750 tph
(681 mtph)
144 ft/min
(0.73 m/sec)
29Rail
27,500 bph34,375 cu ft/hr
(973.39 m3/hr)
825 tph
(749 mtph)
158 ft/min
(0.80 m/sec)
32Rail
30,000 bph37,500 cu ft/hr
(1,061.88 m3/hr)
900 tph
(817 mtph)
173 ft/min
(0.88 m/sec)
35Rail
32 x 26 in.
(813 x 667 mm)
30,000 bph37,500 cu ft/hr
(1,061.88 m3/hr)
900 tph
(817 mtph)
151 ft/min
(0.77 m/sec)
30Rail
32,500 bph40,625 cu ft/hr
(1,150.37 m3/hr)
975 tph
(885 mtph)
163 ft/min
(0.83 m/sec)
33Rail
32 x 32 in.
(813 x 819 mm)
35,000 bph43,750 cu ft/hr
(1,238.86 m3/hr)
1,050 tph
(953 mtph)
133 ft/min
(0.68 m/sec)
21Rail
40,000 bph50,000 cu ft/hr
(1,415.84 m3/hr)
1,200 tph
(1,089 mtph)
152 ft/min
(0.77 m/sec)
24Rail

Note

*Capacities based on 48 .b/ft³ (768 kg/m³) material density.

Easy-Flo/Sur-Flo Drag Conveyor Diagram

Horizontal Drag Conveyor Sur-Flo Conveyor Diagram

Easy-Flo/Sur-Flo Drag Conveyor Specifications

Size
W x H

D

E

F

G

J

K

L

P

R

S

T
V
(Sq.)

W

Y
Inches
(mm)
In.
(mm)
In.
(mm)
In.
(mm)
In.
(mm)
In.
(mm)
In.
(mm)
In.
(mm)
In.
(mm)
In.
(mm)
In.
(mm)
In.
(mm)
In.
(mm)
In.
(mm)
In.
(mm)
9 x 13
(229 x 337)
13.25
(337)
20.75
(527)
18.0
(457)
24.0
(610)
15.0
(381)
9.0
(229)
13.0
(330)
19.0
(483)
15.0
(381)
37.25
(946)
19.75
(502)
8.0
(203)
15.0
(381)
17.50
(445)
12 x 13
(305 x 337)
13.25
(337)
20.75
(527)
18.0
(457)
24.0
(610)
18.0
(457)
12.0
(305)
16.0
(406)
20.0
(508)
18.0
(457)
42.25
(1,073)
22.75
(578)
10.0
(254)
13.0
(330)
16.50
(419)
16 x 13
(406 x 337)
13.25
(337)
20.75
(527)
18.0
(457)
24.0
(610)
16.0
(406)
16.0
(406)
20.0
(508)
22.0
(559)
22.0
(559)
50.25
(1,276)
26.75
(679)
12.0
(305)
15.25
(387)
16.50
(419)
9 x 17
(229 x 438)
17.25
(438)
24.75
(629)
24.0
(610)
30.0
(762)
15.0
(381)
9.0
(229)
13.0
(330)
23.0
(584)
15.0
(381)
38.13
(968)
19.75
(502)
10.0
(254)
19.50
(495)
16.50
(419)
12 x 17
(305 x 438)
17.25
(438)
24.75
(629)
24.0
(610)
30.0
(762)
18.0
(457)
12.0
(305)
16.0
(406)
24.0
(610)
18.0
(457)
44.13
(1,121)
22.75
(578)
12.0
(305)
17.0
(432)
15.50
(394)
16 x 17
(406 x 438)
17.25
(438)
24.75
(629)
24.0
(610)
30.0
(762)
16.0
(406)
16.0
(406)
20.0
(508)
26.0
(660)
22.0
(559)
52.13
(1,324)
26.75
(679)
14.0
(356)
15.0
(381)
14.50
(368)
16 x 20
(406 x 514)
20.25
(514)
28.25
(718)
24.0
(610)
30.0
(762)
16.0
(406)
16.0
(406)
21.0
(533)
29.0
(737)
22.0
(559)
54.13
(1,375)
27.25
(692)
14.0
(356)
15.50
(394)
14.50
(368)
20 x 20
(508 x 514)
20.25
(514)
28.25
(718)
24.0
(610)
30.0
(762)
20.0
(508)
20.0
(508)
25.0
(635)
31.0
(787)
26.0
(660)
62.13
(1,578)
31.25
(794)
16.0
(406)
13.50
(343)
14.0
(356)
22 x 20
(559 x 514)
20.25
(514)
28.25
(718)
24.0
(610)
30.0
(762)
20.0
(508)
22.0*
(559)*
27.0
(686)
32.0
(813)
28.0
(711)
66.13
(1,680)
33.25
(845)
16.0
(406)
15.0
(381)
15.0
(381)
26 x 20
(660 x 514)
20.25
(514)
28.25
(718)
24.0
(610)
30.0
(762)
20.0
(508)
26.0
(660)
31.0
(787)
34.0
(864)
34.0
(864)
74.13
(1,883)
37.25
(946)
18.0
(457)
11.0
(279)
13.0
(330)
28 x 20
(711 x 514)
20.25
(514)
28.25
(718)
24.0
(610)
30.0
(762)
20.0
(508)
28.0*
(711)*
33.0
(838)
35.0
(889)
36.0
(914)
78.13
(1,984)
39.25
(997)
18.0
(457)
12.0
(305)
15.0
(381)
26 x 26
(660 x 667)
26.25
(667)
34.25
(870)
30.0
(762)
36.0
(914)
20.0
(508)
26.0
(660)
31.0
(787)
40.0
(1,016)
34.0
(864)
75.88
(1,927)
37.25
(946)
20.0
(508)
16.0
(406)
12.0
(305)
28 x 26
(711 x 667)
26.25
(667)
34.25
(870)
30.0
(762)
36.0
(914)
20.0
(508)
28.0*
(711)*
33.0
(838)
41.0
(1,041)
36.0
(914)
79.88
(2,029)
39.25
(997)
22.0
(559)
16.0
(406)
12.0
(305)
32 x 26
(813 x 667)
26.25
(667)
34.25
(870)
30.0
(762)
36.0
(914)
20.0
(508)
32.0
(813)
37.0
(940)
43.0
(1,092)
40.0
(1,016)
87.88
(2,232)
43.25
(1,099)
22.0
(559)
16.0
(406)
12.0
(305)
32 x 32
(813 x 819)
32.25
(819)
40.25
(1,022)
30.0
(762)
36.0
(914)
20.0
(508)
32.0
(813)
37.0
(940)
49.0
(1,245)
42.0
(1,067)
95.88
(2,435)
43.25
(1,099)
24.0
(610)
13.50
(343)
10.0
(254)

Note

*Standard Inlet width K is 2 inches (508 mm) narrower than the section width.
Literature

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