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EPSS 040 Stainless Steel Worm Gearbox | 40mm Food-Grade Reducer

EPSS 040 40mm Versatile Food-Grade Worm Gearbox

40 mm centre distance | 304 Stainless Steel | IP69K Washdown | VITON Seals | Ratios 5:1 to 100:1

EPSS 040 stainless steel worm gearbox 40mm

EPSS 040 Stainless Steel Worm Reducer

The EPSS 040 is the versatile mid-range model in the stainless steel series, accepting both IEC 63B14 and 71B14 motor flanges. At 40 mm centre distance, it provides enough torque capacity for standard food processing mixer drives, conveyor heads, and rotary equipment while maintaining the full IP69K washdown capability required in dairy, meat, and bakery environments. The 304 stainless steel housing eliminates paint flaking — a common contamination source with painted aluminium gearboxes in wet environments.

40 mm
Centre Distance
5:1 to 100:1
Ratio Range
304 SS
Housing Material
IP69K
Protection Class
18 mm
Hollow Output Bore
VITON
Seal Material
304 Stainless SteelIP69K Washdown VITON Oil SealsFood-Grade Lubricant IEC + NEMA FlangesHACCP Compatible 18-Month Warranty

Where the EPSS 040 Is Installed

Installed on meat slicing machine drives, bakery dough divider conveyors, dairy vat agitator reducers, fruit and vegetable washing line conveyors, and poultry processing line actuators. In Australia, the EPSS 040 is a standard specification for meat processing facilities in southern New South Wales and dairy plants across the Goulburn Valley, where daily chlorinated washdown destroys conventional painted housings within 12-18 months.

When to Choose This Model

The EPSS 040 is the right choice for food-grade applications with motors up to 0.55 kW. When your application requires 71B14/80B14 flanges or higher sustained torque for heavy mixer or conveyor loads, move to the EPSS 050.

For detailed information on 304SS construction, VITON sealing, food-grade lubricants, and IP69K washdown compatibility, refer to the Stainless Steel Series overview.

EPSS 040 Specifications

Housing dimensions, IEC motor flange compatibility, and NEMA flange options.

EPSS 040 Housing Dimensions (mm)

EPSS stainless steel worm gearbox dimensional drawing
ModelBCEFGHIMNQalphaRSU
EPSS 0405051787371.5504075604-M6x945 deg60704-M6x10

All dimensions in mm. 304 stainless steel housing with electro-polished finish. Mounting bolt pattern per Q and U columns.

IEC Motor Flange Compatibility

EPSS stainless steel worm gearbox IEC flange dimensions
Motor FlangeA (mm)D1 (mm)N1 (mm)M1 (mm)P1 (mm)K1Beta
63B1470116075904-5.8 mm0 deg
71B14701470851054-7 mm45 deg

Confirm motor shaft diameter and keyway match the gearbox input bore before ordering. O-ring on input flange protects internal components from moisture ingress during washdown.

NEMA Motor Flange Compatibility

EPSS stainless steel worm gearbox NEMA flange dimensions
Motor FrameA (in)D1 (in)N1 (in)M1 (in)P1 (in)K1Beta
56C3.150.6254.505.8756.54-0.41 in45 deg

NEMA flange dimensions in inches. NEMA motor compatibility enables direct replacement of US-origin equipment in Australian facilities without adapter plates.

Materials & Design Features

304 Stainless Steel Housing

The entire housing, flange faces, and mounting feet are manufactured from AISI 304 stainless steel. Unlike painted aluminium housings that suffer paint flaking in chlorinated washdown environments — creating a contamination risk — the 304SS construction is inherently corrosion-resistant and eliminates paint as a contamination vector entirely. Surface finish is electro-polished for cleanability.

IP69K Washdown Protection

Sealed to IP69K — the highest ingress protection rating available. The gearbox withstands high-pressure (80-100 bar), high-temperature (80 degrees C) close-range washdown jets used in meat, dairy, and pharmaceutical facilities. This exceeds the IP66 rating common on standard industrial gearboxes and eliminates the need for protective covers during cleaning cycles.

VITON (FKM) Oil Seals

All shaft seals use VITON fluoroelastomer (FKM) as standard — not NBR. VITON resists the caustic cleaning chemicals (sodium hydroxide, peracetic acid, chlorine) used in food industry CIP and COP procedures that destroy NBR seals within weeks. Temperature range: -20 degrees C to +200 degrees C continuous.

20CrMnTi Worm Shaft with Zi Profile

The worm shaft is machined from 20CrMnTi alloy steel with a Zi-profile tooth form (involute globoid). Carburised case depth 0.8-1.2 mm, surface hardness HRC 58-62. The Zi profile provides optimised contact geometry for higher load capacity and lower noise compared to standard ZA or ZN profiles.

CuSn12Ni2 Bronze Worm Wheel

The worm wheel uses CuSn12Ni2 nickel-tin-bronze — a higher-performance alloy than the standard CuSn10Pb1 used in general-purpose gearboxes. The 2% nickel content increases tensile strength and corrosion resistance, making it specifically suited for food-grade environments where trace lubricant contact with product is a regulatory concern.

Food-Grade Lubricant & O-Ring Seal

Factory-filled with NSF H1 registered food-grade synthetic lubricant, safe for incidental food contact per FDA 21 CFR 178.3570. An additional O-ring on the input flange face provides a secondary moisture barrier, preventing cleaning solution ingress through the motor-to-gearbox interface during high-pressure washdown.

Other Models in This Series

The EPSS stainless steel range covers centre distances from 30 mm to 63 mm.

Need a Stainless Steel Worm Reducer for Your Food Line?

Send us your motor specifications, ratio requirement, and washdown protocol. Our engineers will confirm the correct EPSS model within 24 hours.