Speed Reducers - DieQua Corporation
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Varvel - Gearboxes for Agricultural Applications

The VARfarm Series RP90 is an economical single stage helical reducer designed to drive screw conveyor feed systems, ventilation fans, cage systems and other similar machines within the livestock maintenance and agricultural processing industries.

Features & Benefits:

Benefits of the Input Coupling:

1. Eliminates fretting corrosion common in quill mount.
2. Reduces efficiency losses due to motor mounting misalignment.
3. Eliminates key/keyway wear in reversing applications.
4. One gearbox adaptable for NEMA, IEC, and servo motors.
5. Elastomer element dampens vibration, reducing motor wear.
6. Motor heat transfer is minimized, increasing seal life.
7. Optional insert for ATEX explosion-proof applications.

Specifications: Series RP90
1750 RPM - 4 Poles

Ratio
RPM
HP
in-lb
SF
NEMA Size
7.91
221
1
280
0.8
56C
7.00
250
1
249
0.9
56C
5.70
307
1.5
297
0.8
56C
5.07
345
1.5
264
1.0
56C
4.73
370
1.5
246
1.0
56C
4.25
412
1.5
221
1.1
56C
3.94
444
2
280
0.8
56C
3.20
547
2
227
1.0
56C
2.95
593
2
210
1.3
56C
2.52
694
2
179
1.5
56C

Output Flanges

Type
Description
Layout
SQ/1
SQ
Square no pilot
Square with pilot
B5/1
B5
Integral no pilot
Integral with pilot
B5/140
B5/160
Bolted dia. 140mm
Bolted dia. 160mm

Output Shafts

Shaft Diameters
Description
Layout
Inch: 5/8" - 7/8"

Metric: 16 - 22 mm

One hole
Inch: 3/4" - 7/8"

Metric: 19 - 22 mm

Two holes
Inch: 3/4

Metrc: 19 mm

Keyed Shaft

Optional - Explosion Proof

ATEX classification of VARVEL-ATEX Gearboxes.

II
Group II (Surface Industries)
2
Category 2
G
Potentially explosive atmospheres with gas, vapour or cloud presence
Zone 1 (2G) and Zone 2 (2G or 3G)
D
Potentially explosive atmospheres with dust
Zone 21 (2D) and Zone 22 (2D or 3D)
c
Safety construction "c"
k
Liquid immersion "k"
T4
Max. surface temperature 135º C
IP66
International Protection IP66

VARfarm Series Engineering Catalog

Download Catalog
PDF - 2.2MB


What's Next?

Email Your Application

Download This Catalog

Request a Quote

Download CAD Drawings

Why Choose DieQua?

Have Any Questions?
Call Us: 630-980-1133


Quick Assist:

Benefits of the Input Coupling

Output Shaft Configurations

Output Flange Configurations

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Related Products:

2 and 3 Stage Inline Helical Reducers

Aluminum Body Worm Speed Reducers


Applications for Varvel Speed Reducers:

Poultry Feeding
Egg Conveyors
Cage Systems
Ventilation Drives
Pig Feeding Systems
Cow Brushes
Scrapers


Why Choose a Varvel?

Todays' screw conveyors for poultry and pig feeding, as well as other related food and produce processing and packaging machinery, requires highly reliable yet economical drive systems. Varvel offers a gearbox specifically designed for these applications along with years of experience in properly integrating their use.

The RP farm series of speed reducer gearboxes feature a 1 piece cast aluminum body with a wide variety of connection options. These include 1 hole, 2 hole, and keyed output shafts, customizable bolt on output flanges, and input adapters for either NEMA or IEC motors which incorporates a unique motor coupling design that provides several maintenance benefits. Other custom solutions are also available.

When a cost effective, highly reliable single stage speed reducer is required, the VarFarm series of helical gearboxes is the product designed to meet your needs.


180 Covington Drive
Bloomingdale, IL 60108-3105
Phone: 630-980-1133 Fax: 630-980-1232

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