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Basic Info.
Product Description
Established in 2012, Hangzhou Henggong Technology Co., Ltd is located in Dongou Industrial Area in Oubei Town of Yongjia County, the cradleland of "China Pump and Valve", which enjoys favorable geographical location and convenient transportation. Presently, our company is covering an area of 3000 square meters, and owns 10 senior engineers, 20 technicians and more than 150 staff. The company has strong technical capabilities and high-quality personnel teams.
Our company owns advanced manufacturing technologies, testing equipments. Moreover, our products have passed the ISO9001 Quality System Certification and Pressure Equipment Direction CE Certification. From design to delivery, in each procedure, products are controlled strictly in accordance with ISO9001(CQC) and the quality of products produced by our company is all insured by People's Insurance Company of China.
Feature of product
Worm gear
Underground design
Self-locked handwheel design
Self-lubricated design
Rust-proof steel input shaft
22 specifications, torque up to 300,000Nm.
Gearbox IP67 sealed
Working environment temperature: -20ºC to +80ºC
Stroke: 0-90° (±5° adjustable)
| Model | worm gearbox |
| Action | Smooth and reliable |
| Weather proof | IP67, option IP68 |
| Temperature | -45°C~180°C |
| Rotation range | ±5°for the rotation at 0°and 90° |
| Output torque | 260NM~58000NM |
| Speed ratio | Adjustable |
| Model | Speed ratio | Input torque N•m | Output torque N•m | Flange Size | Maximum stem diameter | Maximum install height | Handwheel diameter |
| HG15 | 27 | 32 | 260 | (F05)F07 | 20 | 55 | 200 |
| HG20 | 37 | 47 | 520 | F07/F10 | 28 | 58 | 200 |
| HG21 | 38 | 75 | 850 | F10/F12/F14 | 36 | 63 | 300 |
| HG30 | 40 | 113 | 1350 | F12/F14/F16 | 48 | 85 | 350 |
| HG55 | 47 | 142 | 2000 | (F12)/F14/F16 | 53 | 90 | 350 |
| HG58 | 55 | 152 | 2500 | F16/F20 | 62 | 95 | 400 |
| HG88 | 61 | 164 | 3000 | (F14)/F16/F20/F25 | 65 | 105 | 500 |
Design & Manufacturing Standard | BS 1873, ASME B16.34, BS 5352, BS 6364 |
| Face tu face(end tu end) | ASME B16.10, EN 558 |
| Flange Connection Size | ASME B16.5, BSEN 1092 |
| Butt Welding Size | ASME B16.25 |
| Pressure-Reference Temperature | ASME B16.34 |
| Check & Experiment | API 598, BS 6364 |
Q: Are you a manufacturer or a distributor?
A: We are a valve manufacturer with 25 years of experience in valve development, design, production and sales. Won the top ten valve manufacturers in China.
Q:Is it a finished product or can be customized?
A:We customize the professional valves you need according to your technical requirements, drawings, parameters, etc.
Q:What is your price term
A:Ex-factory ,FOB
Q:what is the minimum order quantity
A:Small diameter valves is 10pcs/model,large diameter valves is 1pcs/model, if you have special requirements, please communicate with us.
Q:What is the term of payment?
A:T/T or L/C Also,we accept the order to be placed via Made-in-china