Bevel Gear Box – lt-actuation.com

Precision Bevel Gearboxes for Reliable Multi-Turn Valve Actuation

Litong designs and manufactures bevel gearboxes engineered for high torque transmission and long service life in multi-turn valve applications. Built for durability and precision, they are widely used across oil & gas, power generation, water treatment, and industrial systems.

Material Options: Ductile Iron (QT) | Carbon Steel (WCB) | Stainless Steel | Special Alloys
Series: BA (Manual) & DBA (Motor Operated) for multi-turn valves
High Torque Output with Single-Stage & Double-Stage Configurations
IP67 Waterproof Standard (IP68 Available on Request)
ISO 9001 Certified Manufacturing & Tested Performance

PRODUCT INTRODUCTION

At present, we have two series of multi-turn bevel gearbox, BA & DBA series. BA series are for manual valve operation, DBA is for manual ride of electrical operated valves(MOV).

Product Customization

Water-proof grade: IP 68.
Stainless steel or special material shaft.
Application to low-temp conditions -29°C, -46°C, -60°C, etc.
Ductile iron, WCB, Low-temp Carbon Steel, Stainless Steel body material.
Handwheel dimension.

Product Features

Complete models, each model optional with single or double stage, so to provide better choice.
Flange connection conforms with ISO 5211.
Default application temperature: -20°C to +120°C.
Water-proof grade: IP 65.
Various forms of operation input: manual, manual with locking device, chainwheel, or actuator.
Flange connection with actuator flange ISO5210 F series top flange or JB2920.
Shaft key, flat hole, square, trapezoidal thread optional for connection with valves.
Nut material of multi-turn gearbox optional with D-2, H62, QAL 9-4, ductile or special materials.
Stem protector length can be customized according to customer requirement.
Mounting flange with valve can be customized as three-claw as JB 2920.
Standard hand wheel material is welded pipe, optional with casting steel hand wheel.

Bevel Gearbox Materials Sheet

S/N	Name	Bill of Material
S/N	Name	China GB	ASTM
1	Shell	GB/T12227 QT450-10 GB/T12229 WCB	ASTMA53665-45-12 ASTMA216 WCR
2	O-ring	NBR	NBR
3	Bearing	GB/T18254 GCr15	ASTMA295-52100
4	Gear Plate	GB/T3077 20CrMnTi	Alloy steel
5	Transmission Sleeve	GB/T12227 QT450-10	ASTM A536 65-45-12
6	Bearing	GB/T18254 GCr15	ASTM A295-52100
7	O-ring	NBR	NBR
8	O-ring	NBR	NBR
9	Bottom Cover	GB/T12227 QT450-10 B/T12229 WCB	ASTM A536 65-45-12 ASTM A216 WCB
10	Bolt	GB/699 45#	ASTM A29M-1045
11	Cone Gear Shaft	GB/T699 45#	ASTM A29M-1045
12	Flat Key	GB/T699 45#	ASTM A29M-1045
13	Composite Sleeve	SF-1	SF-1
14	Circlip	GB/T93 65Mn	ASTM A29-1566
15	Gland	GB/T12227 QT450-10 B/T12229 WCB	ASTM A536 65-45-12 ASTM A216 WCB
16	Handwheel	GB/T700 Q235	ASTM A283M Gr.C
17	Handwheel Washer	GB/T700 Q235	ASTM A283M Gr.C
18	Bearing	GB/T18254 GCr15	ASTM A295-52100
19	Bearing	GB/T18254 GCr15	ASTM A295-52100
20	O-ring	NBR	NBR
21	Bolt	GB/699 45#	ASTM A29M-1045
22	Bolt	GB/699 45#	ASTM A29M-1045
23	Cap	PE	PE
24	Stem Protector	GB/T700 Q235	ASTM A283M Gr.C
25	Union Cap	GB/T700 Q235	ASTM A283M Gr.C
26	Union Cap	GB/T700 Q235	ASTM A283M Gr.C
27	Nut	GB/T1176 H62 YS/T 649 QAl9-4 ASTMA439 D-2	ASTM C85500 ASTM C61900 ASTM A439 D-2
28	Grease Nipple	GB/T700 Q235	ASTM A283M Gr.C

序号 NO.	名称 Description	材质texture of material
序号 NO.	名称 Description	国标National standard material	美标American Standard Material
1	箱体Body	GB/T12227 QT450-10 GB/T12229 WCB	ASTM A536 65-45-12 ASTM A216 WCB
2	O型圈O-ring	NBR	NBR
3	轴承Bearing	GB/T18254 GCr15	ASTM A295-52100
4	齿轮盘Bevel gear	GB/T3077 20CrMnTi	Alloy steel
5	传动套Drive Sleeve	GB/T12227 QT450-10	ASTM A536 65-45-12
6	轴承Bearing	GB/T18254 GCr15	ASTM A295-52100
7	O型圈O-ring	NBR	NBR
8	O型圈O-ring	NBR	NBR
9	底座Base	GB/T12227 QT450-10 GB/T12229 WCB	ASTM A536 65-45-12 ASTM A216 WCB
10	螺栓Bolts	GB/699 45#	ASTM A29M-1045
11	锥齿轮轴Pinion Gear	GB/T699 45#	ASTM A29M-1045
12	平键Key	GB/T699 45#	ASTM A29M-1045
13	复合套Composite sleeve	SF-1	SF-1
14	外卡簧Snap Ring	GB/T93 65Mn	ASTM A29-1566
15	电动支架Electric bracket	GB/T12227 QT450-10 GB/T12229 WCB	ASTM A536 65-45-12 ASTM A216 WCB
16	轴承Bearing	GB/T18254 GCr15	ASTM A295-52100
17	轴承Bearing	GB/T18254 GCr15	ASTM A295-52100
18	O型圈O-ring	NBR	NBR
19	弹性销Elastic Pin	GB/T879.2 65Mn	AIS11066
20	螺栓Bolts	GB/699 45#	ASTM A29M-1045
21	罩冒Cover	PE	PE
22	阀杆保护罩	GB/T700 Q235	ASTM A283M Gr.C
23	并帽Lock nut	GB/T700 Q235	ASTM A283M Gr.C
24	并帽Lock nut	GB/T700 Q235	ASTM A283M Gr.C
25	螺母Stem Nut	GB/T1176 H62 YS/T 649 QAl9-4 ASTM A439 D-2	ASTM C85500 ASTM C61900 ASTM A439 D-2
26	注油塞Oil filling plug	GB/T700 Q235	ASTM A283M Gr.C

Bevel Gearbox Sample Parameters Sheet

Type	Model	Flange	Technical Parameter							Mounting Flange Dimension				Outline Dimension					Handwheel Dimension
Type	Model	Flange	Ratio	Output Torque Nm	Input Torque Nm	Amplification Coefficient ±15%	Max Stem mm	Max. Thrust KN	D1	D2	N×M-DP	D3	H	H1	H2	H3	L2	PD	KEY	M
A	BA00	F14	3.25:1	500	180	2.8	38	127	100	140	4×M16-24	175	3	58	76	124	259	25	8	305
	BA0	F16	4:1	850	250	3.4	44	141	130	165	4×M20-30	210	3	70	84	133	274	25	8	410
	BA0A	F16	4.3:1	1200	335	3.6	52	268	130	165	4×M20-30	210	3	67	92	143	289	25	8	410
	BA0A	F20	4.3:1	1200	335	3.6	52	268	160	200	8×M16-24	245	4	64	89	140	289	25	8	410
	BA1	F25	5:1	1700	405	4.2	57	268	200	254	8×M16-24	295	4	80	95	164	335	32	10	460
	BA2	F30	6:1	3000	590	5.1	70	308	230	298	8×M20-30	350	4	105	135	210	413	32	10	610
B	BA00-1SS	F14	11.5:1	500	60	8.3	38	127	100	140	4×M16-24	175	3	58	76	124	335	25	8	305
	BA0-1SS	F16	14.1:1	1200	120	10.1	44	141	130	165	4×M20-30	210	3	70	84	133	350	25	8	410
	BA1-1SS	F25	19:1	2250	165	13.7	57	268	200	254	8×M16-24	295	4	80	95	164	439	25	8	460
	BA2-1SS	F30	27.2:1	4500	230	19.6	70	308	230	298	8×M20-30	350	4	105	135	210	522	32	10	610
	BA3-1SS	F35	42.9:1	6500	210	31	85	450	260	356	8×M30-45	415	5	149	154	259	604	32	10	610
	BA3B-1SS	F35	42.9:1	9000	290	31	115	865	260	356	8×M30-45	415	5	170	164	305	604	32	10	610
	BA4-1SS	F40	48:1	14000	403	34.7	125	1400	300	406	8×M36-54	475	5	210	193	341	719	32	10	710

Type	Model	Technical Parameters								Mounting Flange Dimensions					Outline Dimensions			Actuator Mounting Flange
Type	Model	Output Torque Nm	Input Torque Nm	Mechanical Efficiency ±15%	Std. Ratio	Optional Ratio Range	Flange	Max Shaft mm	Max. Thrust KN	D1	D2	NxM-DP	D3	H	H1	H2	H3	ISO5210 flange	JB 2920 flange
A	DBA00	500	180	0.85	3.25:1	/	F14	38	127	100	140	4×M16-24	175	3	58	76	124	F10 F14	2 3
B	DBA00-1SS	500	60	0.72	11.5:1	6.6~11.5	F14	38	127	100	140	4×M16-24	175	3	58	76	124	F10	2
A	DBA0	850	250	0.85	4:1	/	F16	44	141	130	165	4×M20-30	210	3	70	84	133	F10 F14	2 3
B	DBA0-1SS	850	85	0.72	14.1:1	8.1~14.1	F16	44	141	130	165	4×M20-30	210	3	70	84	133	F10	2
A	DBA0A	1200	330	0.85	4.3:1	/	F16	52	268	130	165	4×M20-30	210	3	67	92	143	F10 F14	2 3
A	DBA0A	1200	330	0.85	4.3:1	/	F20	52	268	160	200	8×M16-24	245	4	64	89	140	F10 F14	2 3
A	DBA1	2250	590	0.85	4.5:1	5:1	F25	57	268	200	254	8×M16-24	295	4	80	95	164	F10 F14 F16	2 3 4
B	DBA1-1SS	2250	165	0.72	19:1	10.4~37	F25	57	268	200	254	8×M16-24	295	4	80	95	164	F10 F14	2 3
A	DBA2	4500	1020	0.85	5.22:1	6:1	F30	70	308	230	298	8×M20-30	350	4	105	135	210	F14 F16 F25	3 4 5
B	DBA2-1SS	4500	230	0.72	27.2:1	15~59.7	F30	70	308	230	298	8×M20-30	350	4	105	135	210	F10 F14	2 3
A	DBA3	6500	1350	0.85	5.67:1	7:1	F35	85	402	260	356	8×M30-45	415	5	149	154	259	F14 F16 F25	3 4 5
B	DBA3-1SS	6500	210	0.72	42.9:1	18~89.5	F35	85	402	260	356	8×M30-45	415	5	149	154	259	F10 F14 F16	2 3 4
A	DBA3B	9000	1870	0.85	5.67:1	/	F35	115	865	260	356	8×M30-45	415	5	170	164	305	F14 F16 F25	3 4 5
B	DBA3B-1SS	9000	290	0.72	42.9:1	18~89.5	F35	115	865	260	356	8×M30-45	415	5	170	164	305	F10 F14 F16	2 3 4
A	DBA4	14000	2600	0.85	6.33:1	/	F40	125	1400	300	406	8×M36-54	475	5	210	193	341	F16 F25 F30	4 5 7
B	DBA4-1SS	14000	403	0.72	48:1	20~100	F40	125	1400	300	406	8×M36-54	475	5	210	193	341	F10 F14 F16	2 3 4

Why Choose Litong Bevel Gearboxes?

Engineered for high torque transmission and long service life, Litong bevel gearboxes combine precision manufacturing, robust materials, and strict quality control to ensure reliable performance in demanding multi-turn valve applications.

Precision Gear Manufacturing

Advanced CNC machining ensures accurate bevel gear alignment, smooth transmission, and consistent torque output across all operating conditions.

High Torque Transmission

Optimized bevel gear design delivers efficient torque transfer, making it ideal for multi-turn valves and heavy-duty industrial operations.

ISO 9001:2015 Quality System

Comprehensive quality management system covering design, production, and testing to ensure reliable and consistent product performance.

Flexible Material Options

Available in ductile iron, carbon steel, stainless steel, and special materials to meet various environmental and corrosion requirements.

Robust Structural Design

Heavy-duty housing and reinforced internal components provide high load capacity and durability under continuous operation.

Comprehensive Factory Testing

Each unit undergoes torque, durability, and performance testing to ensure reliability and long-term operation in industrial environments.

Typical Applications and Compatible Valve Types

Typical Industries

Oil and Gas: pipelines, wellheads, refineries
Power Generation: steam systems and cooling water systems
Chemical and Petrochemical Processing
Water and Wastewater Treatment Plants
Marine and Offshore Installations
Mining and Heavy Industrial Facilities
Infrastructure and Utility Systems

Compatible Valve Types

Gate Valves (multi-turn operation)
Globe Valves
Slab Gate Valves
Knife Gate Valves
Penstock Valves
Screw-operated Valves
Large Diameter Industrial Valves

Electric assembly drawing

FAQ – Bevel Gearboxes

Q1: What types of valves are bevel gearboxes used for?

Bevel gearboxes are designed for multi-turn valves such as gate valves, globe valves, and other linear motion valves requiring high torque and precise control.

Q2: What is the difference between BA and DBA series?

The BA series is designed for manual operation using a handwheel, while the DBA series is configured for motor-operated valves and supports actuator integration for automated systems.

Q3: What torque range does the bevel gear series cover?

The bevel gear series typically covers torque ranges from approximately 500 Nm up to 14,000 Nm, depending on the model and configuration.

Q4: Are bevel gearboxes compatible with electric actuators?

Yes, DBA series gearboxes are designed according to ISO standards and can be easily integrated with electric actuators for automated valve operation.

Q5: What materials are available for bevel gearboxes?

Standard materials include ductile iron and carbon steel, with optional stainless steel and special alloys available for corrosive or extreme environments.

Q6: Can bevel gearboxes be customized for specific applications?

Yes, customization options include gear ratios, flange dimensions, materials, sealing levels, and other specifications to meet project-specific requirements.

Partner With Litong Valve

Litong is a trusted manufacturer of high-quality industrial worm gearboxes, bevel gearboxes, and valve actuation solutions. With advanced manufacturing capabilities and a strong focus on customization, we deliver reliable and durable products for a wide range of industrial applications.

Backed by years of engineering expertise and strict quality control systems, we are committed to providing consistent performance, fast response, and dependable support for global partners.

Ready To Get Started?

Elevate your operations with Advanced Industrial Technologies. Contact us today for reliable, precision-engineered solutions for your needs.