How does the MY-V-SD differ from the manual MY-V-1S?

The MY-V-SD is the electric-actuator-driven version of the MY-V-1S: the handwheel input is replaced by an actuator flange, so an electric actuator drives the same spiral bevel gear pair and added spur gear stage, turning the trapezoidal-thread stem nut. The gearbox itself remains a multi-turn bevel operator for gate and globe valves, with the same ISO 5210 valve-side mounting.

Which valves can the MY-V-SD series be mounted on?

Gate and globe valves are the primary applications, and the gearbox can also be fitted to butterfly, plug and other valves. The valve-side mounting flange follows ISO 5210, and the stem bore and mounting dimensions comply with international standards, so the gearbox assembles directly onto the valve.

How do I select an MY-V-SD model with an electric actuator?

In the combination table, choose the model and ratio whose Output Torque meets the valve torque requirement with a safety margin; the same row gives the input torque required from the actuator, the actuator mounting flange (F10–F40) and the JB2920-81 connection. Confirm the ISO 5210 valve flange and stem diameter. See our selection guide for a step-by-step method.

Can the MY-V-SD gearbox be used outdoors or in submerged conditions?

Standard protection is IP67. For special environments such as flooding-prone or buried installations, IP68 and immersion protection are available on request.

MY-V-SD Bevel Valve Gearbox, 450–100,000 Nm

Name: MY-V-SD Series Electric Multi-turn Bevel Valve Gearbox
Brand: YOYAGE

Electric

Product Overview

MY-V-SD Bevel Gear Operator

The MY-V-SD series is the electric-actuator-driven version of the MY-V-1S multi-turn bevel valve gearbox — the handwheel input is replaced by an actuator flange, so an electric actuator drives the spiral bevel gear pair and the added spur gear stage, turning a trapezoidal-thread stem nut that moves the valve stem up and down. Twelve models cover 450–100,000 Nm and ratios from 5:1 to 335:1, and the combination table pre-matches each ratio with its output torque, input torque, actuator flange and JB2920-81 connection. The precise-cast housing comes in multiple materials, and fully sealed joints keep water out and grease in. ISO 5210 valve mounting flange; actuator input ISO 5210 or JB2920-81. IP67 as standard, IP68 optional for special environments. Manufactured in compliance with CE and ISO 9001 standards.

Standard Type: Multi-turn
Gear Type: Bevel Gear
Ratio: 5:1–335:1
Torque: 450–100,000 Nm
Protection: IP67 (IP68 optional)
Housing Material: Ductile Iron, WCB (common)

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Product Features

Spiral bevel gear pair for smooth and efficient power transmission
Heat-treated bevel gears with high hardness and wear resistance
C3/C5 coating system for surface protection
Reliable bearing support for stable operation
Grease-filled lubrication for extended service life
NBR seals for enhanced sealing performance
Rigorous torque and low-temperature testing

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Custom Solutions

Housing materials: Ductile iron, WCB, CF8/CF8M, LCC, LCB, LC1
Gear ratio customization on request
Actuator input flange: ISO 5210 or JB2920-81, or custom on request
Valve stem drive nut customization
MSS flange standard or custom connections
Low-temperature service down to -59°C
C5 coating system
IP68 protection option

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Technical Parameters & Dimensions

Read our selection guide: How to Choose a Valve Gearbox for Industrial Valve Applications

(Tip: Hold Shift and scroll the mouse wheel to scroll the table horizontallyPinch to zoom the table, double-tap to reset)

Dimension Drawing D · D0 · N-H-DP · D1×h · Φd · H1 · H2 · H3 · L

YOYAGE MY-V-SD electric bevel valve gearbox dimension drawing with ISO 5210 mounting flange details

Bevel Gearbox & Electric Actuator Combination

Model	Ratio	Output TorqueN·m	Input TorqueN·m	Valve FlangeISO 5210	Max Stem Dia.Φd	Actuator FlangeISO 5210	Input Shaft	Actuator ConnectionJB2920-81
MY-V0-SD	5:1	450	102	F14 / F12/Z30	35	F10	Φ20×6×40	Z10
	6:1	450	90	F14 / F12/Z30	35	F10	Φ20×6×40	Z10
	8:1	450	80	F14 / F12/Z30	35	F10	Φ20×6×40	Z10
	9.7:1	450	68	F14 / F12/Z30	35	F10	Φ20×6×40	Z10
MY-V1-SD	5:1	600	150	F16 / F14/Z45	40	F10	Φ20×6×40	Z15
	8:1	600	108	F16 / F14/Z45	40	F10	Φ20×6×40	Z10
	10:1	600	80	F16 / F14/Z45	40	F10	Φ20×6×40	Z10
	11.6:1	600	68	F16 / F14/Z45	40	F10	Φ20×6×40	Z10
MY-V2-SD	6:1	900	200	F20 / F14/Z60	52	F14	Φ30×8×50	Z20
	8:1	900	150	F20 / F14/Z60	52	F14	Φ30×8×50	Z15
	10:1	900	125	F20 / F14/Z60	52	F10	Φ20×6×40	Z15
	13.2:1	900	100	F20 / F14/Z60	52	F10	Φ20×6×40	Z10
MY-V3-SD	6:1	1,600	350	F25 / F16/Z120	60	F14	Φ30×8×50	Z45
	8:1	1,600	244	F25 / F16/Z120	60	F14	Φ30×8×50	Z30
	10:1	1,600	230	F25 / F16/Z120	60	F14	Φ30×8×50	Z30
	17.6:1	1,600	125	F25 / F16/Z120	60	F10	Φ20×6×40	Z15
MY-V35-SD	8:1	4,000	600	F30 / F25/Z250	70	F16	Φ40×12×60	Z60
	10:1	4,000	542	F30 / F25/Z250	70	F16	Φ40×12×60	Z60
	15:1	4,000	366	F30 / F25/Z250	70	F14	Φ30×8×50	Z45
	18:1	4,000	300	F30 / F25/Z250	70	F14	Φ30×8×50	Z30
	20:1	4,000	270	F30 / F25/Z250	70	F14	Φ30×8×50	Z30
	23:1	4,000	250	F30 / F25/Z250	70	F14	Φ30×8×50	Z30
MY-V4-SD	10:1	6,000	800	F30 / F25/Z350	90	F25	Φ50×14×80	Z90
	15:1	6,000	542	F30 / F25/Z350	90	F16	Φ40×12×60	Z60
	20:1	6,000	400	F35 / F25/Z350	90	F16	Φ40×12×60	Z45
	25:1	6,000	366	F35 / F25/Z350	90	F16	Φ40×12×60	Z45
	30:1	6,000	270	F35 / F25/Z350	90	F16	Φ40×12×60	Z30
	35:1	6,000	244	F35 / F25/Z350	90	F14	Φ30×8×50	Z30
	40.5:1	6,000	230	F35 / F25/Z350	90	F14	Φ30×8×50	Z30
MY-V5-SD	10:1	8,000	1,000	F35 / F30/Z800	110	F25	Φ50×14×80	Z120
	15:1	8,000	750	F35 / F30/Z800	110	F25	Φ50×14×80	Z90
	20:1	8,000	542	F35 / F30/Z800	110	F16	Φ40×12×60	Z60
	25:1	8,000	474	F35 / F30/Z800	110	F16	Φ40×12×60	Z60
	30:1	8,000	400	F35 / F30/Z800	110	F16	Φ40×12×60	Z45
	35:1	8,000	366	F35 / F30/Z800	110	F16	Φ40×12×60	Z45
	42.5:1	8,000	250	F35 / F30/Z800	110	F14	Φ30×8×50	Z30
MY-V6-SD	10:1	10,000	1,355	F40 / F35/Z100	120	F25	Φ50×14×80	Z120
	15:1	10,000	845	F40 / F35/Z100	120	F25	Φ50×14×80	Z90
	20:1	10,000	645	F40 / F35/Z100	120	F25	Φ50×14×80	Z60
	25:1	10,000	542	F40 / F35/Z100	120	F16	Φ40×12×60	Z60
	30:1	10,000	474	F40 / F35/Z100	120	F16	Φ40×12×60	Z60
	35:1	10,000	400	F40 / F35/Z100	120	F16	Φ40×12×60	Z45
	46:1	10,000	310	F40 / F35/Z100	120	F14	Φ30×8×50	Z30
MY-V7-SD	15:1	18,500	1,700	F48 / F40	130	F30	Φ60×18×90	Z180
	20:1	18,500	1,355	F48 / F40	130	F25	Φ50×14×80	Z120
	25:1	18,500	1,020	F48 / F40	130	F25	Φ50×14×80	Z120
	30:1	18,500	845	F48 / F40	130	F25	Φ50×14×80	Z90
	40:1	18,500	680	F48 / F40	130	F16	Φ40×12×60	Z90
	50:1	18,500	542	F48 / F40	130	F16	Φ40×12×60	Z60
	60:1	18,500	474	F48 / F40	130	F16	Φ40×12×60	Z45
	70:1	18,500	400	F48 / F40	130	F16	Φ40×12×60	Z45
	80:1	18,500	366	F48 / F40	130	F16	Φ40×12×60	Z45
	94:1	18,500	300	F48 / F40	130	F14	Φ30×8×50	Z30
MY-V8-SD	15:1	26,000	2,500	F60 / F40/F48	150	F30	Φ60×18×90	Z250
	20:1	26,000	1,700	F60 / F40/F48	150	F30	Φ60×18×90	Z180
	25:1	26,000	1,355	F60 / F40/F48	150	F25	Φ50×14×80	Z120
	30:1	26,000	1,290	F60 / F40/F48	150	F25	Φ50×14×80	Z120
	40:1	26,000	1,020	F60 / F40/F48	150	F25	Φ50×14×80	Z120
	50:1	26,000	800	F60 / F40/F48	150	F25	Φ50×14×80	Z90
	60:1	26,000	645	F60 / F40/F48	150	F16	Φ40×12×60	Z60
	70:1	26,000	542	F60 / F40/F48	150	F16	Φ40×12×60	Z60
	80:1	26,000	500	F60 / F40/F48	150	F25	Φ50×14×80	Z60
	112:1	26,000	400	F60 / F40/F48	150	F16	Φ40×12×60	Z45
MY-V9-SD	20:1	65,000	4,300	F60 / F48	180	F35	Φ60×18×90	Z500
	30:1	65,000	3,000	F60 / F48	180	F30	Φ60×18×90	Z350
	40:1	65,000	2,300	F60 / F48	180	F30	Φ60×18×90	Z250
	50:1	65,000	1,700	F60 / F48	180	F30	Φ60×18×90	Z180
	60:1	65,000	1,700	F60 / F48	180	F30	Φ60×18×90	Z180
	75:1	65,000	1,355	F60 / F48	180	F25	Φ50×14×80	Z120
	95:1	65,000	1,020	F60 / F48	180	F25	Φ50×14×80	Z120
	105:1	65,000	1,020	F60 / F48	180	F25	Φ50×14×80	Z120
	130:1	65,000	800	F60 / F48	180	F25	Φ50×14×80	Z90
	185:1	65,000	600	F60 / F48	180	F16	Φ40×12×60	Z60
MY-V10-SD	20:1	100,000	6,500	F80 / F60	200	F40	Φ70×20×100	Z650
	30:1	100,000	5,000	F80 / F60	200	F35	Φ60×18×90	Z500
	45:1	100,000	3,500	F80 / F60	200	F35	Φ60×18×90	Z350
	60:1	100,000	2,500	F80 / F60	200	F30	Φ60×18×90	Z250
	100:1	100,000	1,700	F80 / F60	200	F30	Φ60×18×90	Z180
	120:1	100,000	1,355	F80 / F60	200	F25	Φ50×14×80	Z120
	145:1	100,000	1,200	F80 / F60	200	F25	Φ50×14×80	Z120
	165:1	100,000	1,000	F80 / F60	200	F25	Φ50×14×80	Z120
	210:1	100,000	800	F80 / F60	200	F25	Φ50×14×80	Z90
	335:1	100,000	500	F80 / F60	200	F16	Φ40×12×60	Z60

Connection Size & Appearance Size (mm)

Model	FlangeISO 5210	Flange Dia.D	Bolt Circle Dia.PCD D0	Bolt SpecN-H-DP	ConvexD1×h	Weightkg	H1	H2	H3	L
MY-V0-SD	F14	175	140	4-M16-24	100×4	35	55	69	114	160
MY-V1-SD	F16	210	165	4-M20-30	130×4	41	62	78	125	180
MY-V2-SD	(F20)	250	205	8-M16-24	140×5	52	89	91	144	305
MY-V3-SD	F25	300	254	8-M16-24	200×5	70	97	99.5	163	330
MY-V35-SD	F30	350	298	8-M20-35	230×5	115	120	112	225	390
MY-V4-SD	F35	415	356	8-M30-45	260×5	195	120	164	269	400
MY-V5-SD	F35	415	356	8-M30-45	260×5	256	152	215	235	480
MY-V6-SD	F40	475	406	8-M36-54	300×8	316	176	290	338.5	500
MY-V7-SD	F48	560	483	12-M36-54	370×8	470	188	227	331	550
MY-V8-SD	F60	686	603	20-M36-54	470×8	645	230	231	346	610
MY-V9-SD	F60	686	603	20-M36-54	470×8	1,350	200	330	409	817
MY-V10-SD	F80	900	813	20-M42-65	670×10	1,700	200	330	540.5	964

Need MY-V-SD Series Selection Support?

Send your valve type, size, and torque requirements to the YOYAGE team for model selection and quotation.

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MY-V-SD Series Electric Multi-turn Bevel Valve Gearbox