Multi Turn Bevel Gearbox – Hand Wheel Operated

The Multi Turn Bevel Gearbox – Hand Wheel Operated from Relekon Automation is designed for smooth, reliable, and precise manual operation of multi-turn valves such as gate, globe, and sluice valves.

Engineered with a high-efficiency bevel gear mechanism, this gearbox enables effective torque transmission with reduced operating effort, ensuring dependable performance in demanding industrial applications.

Suitable for both rising stem and non-rising stem configurations, it is widely used in industries such as water treatment, oil & gas, power, and chemical processing.

Our Multi Turn Bevel Gearboxes – Hand Wheel Operated are engineered for precision, durability, and high performance, making them an ideal solution for reliable manual operation of industrial valves.

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Multi-Turn-Bevel Gearbox – Hand Wheel-Operated-2-1

Selection Chart: Multi Turn Bevel Gearbox – Hand Wheel Operation (RA-B Series)

Model	Max Torque (Nm)	Max Torque (Lbf-Ft)	Ratio / M.A.	Max Thrust (kN)	Max Stem Ø	ISO 5211 Mounting	Handwheel Ø (mm)
RA – B250	250	150	2.8:1	54.0	30 mm	F10	Ø350
RA – B650	650	480	3.1:1	120	38 mm	F14	Ø400
RA – B950	950	700	3.5:1	121	45 mm	F14	Ø500
RA – B1900	1900	1401	3:1	145	57 mm	F16	Ø500
RA – B3800	3800	2803	3.2:1	210	63 mm	F16	Ø600
RA – B5500	5500	4056	3.9:1	267.5	70 mm	F25	Ø600
RA – B8500	8500	6270	3.8:1	307.5	90 mm	F30	Ø700
RA – B13000	13000	9590	4.7:1	450	100 mm	F35	Ø900
RA – B15000	15000	11065	4.3:1	550	130 mm	F40	Ø900

Technical Specifications

Parameter	Specification
Operation Type	Manual – Hand Wheel / Chain pulley mechanism
Rotation Type	Multi-Turn
Gear Mechanism	Bevel Gear
Direction of Operation	Clockwise / Counter-clockwise
Mounting	As per valve requirement / ISO
Gear Ratio	2:1 to 60:1
Torque Range	250 Nm to 15000 Nm
Housing Material	SG Iron
Stem Nut Material	SGI / Bronze / Aluminum Bronze / Brass / Gun Metal
Surface Finish	Red Oxide / Powder Coated
Protection	Weather Resistant

Torque Range

Key Features

High-efficiency bevel gear transmission
Smooth and precise multi-turn operation
Heavy-duty construction for high torque applications
Low hand-wheel operating effort
Powder-coated body for corrosion resistance
Long service life with minimal maintenance
Suitable for rising & non-rising stem valves

Lubrication

Optional Accessories

Position Indicator
Chain Wheel Operation
Locking Arrangement
Limit Switch Provision
Extended Stem
Special Coating / Painting
Custom Mounting Flange

Environmental Conditions

Parameter	Rating
Ambient Temperature	-10°C to +80°C
High Temperature Option	Up to 200°C
Low Temperature Option	Up to -40°C
Protection	Weatherproof
Corrosion Protection	Epoxy / Powder Coating
Installation	Indoor / Outdoor

Applications

Gate Valves
Globe Valves
Knife Edge Gate Valve
Sluice Valves
Water Treatment Plants
Oil & Gas Pipelines
Power Plants
Chemical & Process Industries
Infrastructure & Irrigation Projects

EXPORT & SUPPLY CAPABILITY

Relekon Automation supplies Multi Turn Bevel Gearboxes across India, Middle East (GCC), and Europe, supporting:

• OEM manufacturers
• EPC contractors
• Industrial end users
• Global distributors

Export Highlights

Designed for harsh industrial & outdoor environments
Suitable for high-temperature GCC conditions
Compatible with international valve standards
Export-grade packaging (wooden box / pallet)
OEM branding & private labeling support
Pre-dispatch inspection & documentation

Certified for Quality & Global Trade

We are committed to excellence and international standards. These certifications validate our quality management and authorized trade operations.

ISO 9001:2015 Certified Officially certified by QRO for our Quality Management System. This ensures the highest standards in manufacturing and exporting standard and customized gearboxes, automation valves, and actuators.
Government Authorized Importer-Exporter (IEC) Registered with the Ministry of Commerce & Industry (DGFT), Government of India. This certification authorizes Relekon Automation to engage in seamless international import and export operations.