MAB-300-2S

Name: Susin MAB-300-2S bevel gear actuator
Brand: Susin
SKU: MAB-300-2S

MAB-300-2S bevel gear actuator, 2,500 Nm and 300 kN, ratio 45:1, ISO 5210 F25.

Max torque

2,500 Nm (1,843.91 lbf·ft)

Max thrust

300 kN (67,442.68 lbf)

Gear ratio

45:1

Mechanical advantage

36.22 (±10%)

Gearing

Double stage reduction (2S)

Max stem, TW / Ø (key)

70 / Ø65 (20×12)

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Showing: MAB-300-2S · Double stage reduction · 45:1

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

Specifications

Max torque: 2,500 Nm (1,843.91 lbf·ft)
Max thrust: 300 kN (67,442.68 lbf)
Gear ratio: 45:1
Mechanical advantage: 36.22 (±10%)
Gearing: Double stage reduction (2S)
Max stem, TW / Ø (key): 70 / Ø65 (20×12)
ISO 5210 flange: F25 standard, F30 option
Recommended handwheel: Ø 500 mm
Rim effort at max torque: About 276 N on the recommended handwheel
Weight: 85 kg (approx.)
Operation: Manual, multi-turn (handwheel)
Mounting: ISO 5210, with an MOV flange for an electric actuator
Ingress protection: IP55, IP65, IP67M or IP68
Temperature: −20 to +80 °C (options −45 to +100 °C, −70 to +120 °C)
Housing: Ductile iron A536 65-45-12 (option cast iron)
Bevel gear and pinion: Spiral bevel, alloy steel EN-19 / AISI 1045
Stem bush: Aluminium bronze / carbon steel, replaceable, held by dual locknuts
Drive sleeve: Ductile iron A536 70-50-05
Input shaft: Steel (option stainless steel)
Coating: Epoxy and PU on the housing, powder-coated handwheel; marine and offshore systems available

Dimensions, mm

Part	Dimension	Value
Base	Flange type	B (F25)
Base	ØD1	200
Base	PCD ØD2	254
Base	Bolts N-H-DP	8-M16-24
Base	ØD3	300
External	H	5
External	H1	109
External	H2	122
External	H3	176
External	L1	377
Input shaft	L2	35
Input shaft	ØPD	25
Input shaft	Key	8×7
Handwheel	ØM	500
Stem cover	Thread	PF 4"

Dimensions from Susin’s double stage reduction drawing; letters as on the catalogue drawing. Rim effort is the maximum torque divided by the mechanical advantage and the handwheel radius; Susin’s standard limit is 360 N. Send us the valve torque, thrust and stem and we’ll confirm the model.

Which size?

Compare the MAB range

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

MAB series guide

The full data

Susin catalogue

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

MAB catalogue (PDF)

Need help?

Talk to our team

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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