Hunan TB Valve Gearbox - Hunan TB Valve Co.,Ltd

HUNAN TB VALVE CO., LTD (HNTB) is a professional manufacturer of valve gearboxes and gear operators for industrial valves, headquartered in Changsha, Hunan, China. With over 28 product series and 320 models available, HNTB delivers comprehensive valve actuation solutions for pipeline systems across the oil & gas, water treatment, chemical, power generation, and hydraulic industries.
Main product range:
✚ Worm gearbox - for ball valves and butterfly valves
✚ Bevel gearbox - for gate valves, plug valves, and globe valves
✚ Electric actuator gearbox (part-turn & multi-turn)
✚ Ball valves, butterfly valves, gate valves, solenoid valves, check valves
Technical specifications:
✪ Material options: A216 WCB, CF8, CF8M, WCC, LCB, LCE
✪ Output torque range: 500 - 1,700,000 Nm
✪ IP protection: IP66 - IP68 (fully dustproof and waterproof)
✪ Suitable for low, standard, and high temperature environments
✪ Monthly production capacity: 3,000 units
Why do partners choose HNTB?
✅ Fast delivery time - a reliable solution for urgent projects or when your current supplier cannot meet tight deadlines
✅ Flexible payment terms and order quantities - minimum order from 1 unit
✅ Wide range of materials and models, compatible as direct replacements for many well-known gearbox brands on the market
✅ Proven export experience to Vietnam, Asia, Europe, the Americas, and Africa
➦ HNTB aims to become a long-term, stable supply partner for importers, industrial equipment distributors, and valve automation projects in Vietnam and international markets.