MAW-400

Name: Susin MAW-400 worm gear actuator
Brand: Susin
SKU: MAW-400

MAW-400 quarter-turn worm gear actuator, 4,000 Nm, ratio 56:1, 14 turns for 90°, ISO 5211 F20.

Max output torque

4,000 Nm

Gear ratio

56:1

Mechanical advantage

16.5 (±10%)

Handwheel turns for 90°

14

Gearing

Standard

ISO 5211 flange

F20 standard, F16 option

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Showing: MAW-400 · Standard · 56:1

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Price and lead time confirmed on your quote. MAW catalogue (PDF)

Specifications

Max output torque: 4,000 Nm
Gear ratio: 56:1
Mechanical advantage: 16.5 (±10%)
Handwheel turns for 90°: 14
Gearing: Standard
ISO 5211 flange: F20 standard, F16 option
Recommended handwheel: Ø 600 mm
Rim pull at max torque: 82.46 kg (≈ 809 N)
Weight: 43 kg (approx.)
Operation: Manual, quarter-turn (90°) with handwheel
Stroke adjustment: ±5° (stop bolts)
Mounting: ISO 5211; MOV flange to ISO 5210 for an electric actuator
Ingress protection: IP54, IP55, IP65 or IP67M
Temperature: −20 to +85 °C (option −45 to +120 °C)
Housing and cover: Ductile iron (option cast iron)
Worm wheel: Ductile iron
Worm shaft and drive shaft: Carbon steel (input shaft option stainless steel)
Coating: Epoxy and PU on the housing, powder-coated handwheel
Handwheel side: LH and RH versions

Dimensions, mm

Part	Dimension	Value
Base	ØD1	130
Base	PCD, F20 (standard)	205
Base	PCD, F16 (option)	165
Base	H	5
Body	H1	117.5
Body	H2	285
Body	K (max stem height)	132.3
Body	K1	70
Body	K3	333.5
Body	L	133.5
Input shaft	L1	173.5
Input shaft	L2	35
Input shaft	ØPD / □SQ	Ø30
Handwheel	ØM	600

Dimensions from Susin’s general drawing; letters as on the catalogue drawing. Rim pull is Susin’s figure at full output torque on the recommended handwheel. Send us the valve torque and flange and we’ll confirm the model.

Which size?

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How the MAW series works, every size side by side and the common questions.

MAW series guide

The full data

Susin catalogue

Dimensions, materials and the complete performance tables, straight from the manufacturer.

MAW catalogue (PDF)

Need help?

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Send the valve, torque or thrust and air supply and we’ll confirm the right model, or call +44 7368 137917.

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