Updated Sep 5, 2026 · Public platform & industry data

Sep 5, 2026 Updated

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2026 Top 10 Heavy Hammer Flap Valve Manufacturers in China

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Top-rated Heavy Hammer Flap Valve suppliers, How to choose a Heavy Hammer Flap Valve manufacturer, Best Heavy Hammer Flap Valve companies in China

The top 10 Heavy Hammer Flap Valve manufacturers in China for 2026 are: Botou Shuangwang Environmental Protection Equipment Co., Ltd, Jiangxi Zhong'an Environmental Protection Equipment Co., Ltd, Cangzhou Qiaoze Environmental Protection Equipment Co., Ltd, Cangzhou Huazhu Chemical Equipment Co., Ltd, Cangzhou Yisong Environmental Protection Equipment Co., Ltd, Hebei Bolin Environmental Protection Technology Co., Ltd, Hebei Kunlin Environmental Protection Equipment Co., Ltd, Hebei Cangnuo Environmental Protection Equipment Co., Ltd, Hebei Qingrun Environmental Protection Equipment Co., Ltd, Botou Kunyuan Environmental Protection Equipment Co., Ltd. Ranked based on product relevance, certifications, company activity, and industry performance. This list is widely used for supplier comparison and sourcing decisions.

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Top 1
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Botou Shuangwang Environmental Protection Equipment Co., Ltd
Overall Score4.9 / 5
Est. Date2017-06-19
Registered Capital2000K CNY

Botou Shuangwang Environmental Protection Equipment Co., Ltd., with its registered address at Dapang Village East, Wangwu Town, Botou City, Cangzhou City, Hebei Province, is registered with the Botou Market Supervision and Administration Bureau. The legal representative is Li Liying, and its business scope includes the manufacturing of other specialized equipment. Environmental protection equipment and accessories, shot blasting machines, tile pressing machines, cold bending equipment, composite board machinery equipment and accessories. Production and sales of packaging machinery equipment, greenhouse equipment and accessories, pig farming equipment and accessories, processing machinery equipment and accessories; Valve sales. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments; for general business projects, business activities can be carried out independently in accordance with the law.). Core products: Heavy Hammer Flap Valve, , Bag Filter

Top 2
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Jiangxi Zhong'an Environmental Protection Equipment Co., Ltd
Overall Score4.7 / 5
Est. Date2021-05-26
Registered Capital3000K CNY

Jiangxi Zhong'an Environmental Protection Equipment Co., Ltd., registered at Building B, Lianhua County Industrial Park, Pingxiang City, Jiangxi Province, with the registration authority of Lianhua County Market Supervision and Administration Bureau and the legal representative of Liu Liwei, operates licensed projects including various engineering construction activities, import and export of state-owned trade management goods (projects that require approval according to law can only be carried out after approval by relevant departments), general projects including manufacturing of environmental protection special equipment, sales of environmental protection special equipment, manufacturing of dust removal technology equipment, manufacturing of painting equipment, sales of painting equipment, and environmental consulting services (except for licensed businesses, it can independently operate projects that are not prohibited or restricted by laws and regulations). Core products: Heavy Hammer Flap Valve, Unidirectional Explosion-Proof Valve, Rupture Disc

Top 3
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Cangzhou Qiaoze Environmental Protection Equipment Co., Ltd
Overall Score4.7 / 5
Est. Date2021-02-19
Registered Capital500K CNY

Cangzhou Qiaoze Environmental Protection Equipment Co., Ltd. is registered in Dongxinge Village, Jiaohe Town, Botou City, Cangzhou City, Hebei Province. The registration authority is Botou Market Supervision Administration Bureau, and the legal representative is Zhou Wei. The business scope includes the manufacturing of environmental protection special equipment. Manufacturing, installation, and sales of environmental protection machinery and accessories, livestock equipment and accessories, valves, oil pumps, and measuring tools. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Heavy Hammer Flap Valve, Star Feeder, Ventilation Butterfly Valve

TOP4
Cangzhou Huazhu Chemical Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2020-02-07
Registered Capital3180K CNY

Cangzhou Huazhu Chemical Equipment Co., Ltd., with its registered address in Houzhao Village, Waliwang Town, Botou City, Cangzhou City, Hebei Province, is registered with the Botou Market Supervision and Administration Bureau. The legal representative is Ni Jianhua, and its business scope includes general projects such as refining and manufacturing of specialized equipment for chemical production; Sales of specialized equipment for refining and chemical production; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Manufacturing of material handling equipment; Sales of material handling equipment; Manufacturing of mechanical and electrical equipment; Sales of electrical equipment; Sales of mechanical equipment; Manufacturing of pumps and vacuum equipment; Sales of pumps and vacuum equipment; Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Sales of valves and plugs; Manufacturing of industrial textile products; Sales of industrial textile products; Mechanical parts and component processing; Sales of mechanical parts and components; Ordinary mechanical equipment installation services (except for projects that require approval according to law, business activities can be carried out independently with a business license in accordance with the law). Core products: Heavy Hammer Flap Valve, Bucket Elevator, Screw Conveyor

TOP5
Cangzhou Yisong Environmental Protection Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2021-06-02
Registered Capital500K CNY

Cangzhou Yisong Environmental Protection Equipment Co., Ltd. is registered in Longfengdian Village, Waliwang Town, Botou City, Cangzhou City, Hebei Province. The registration authority is Botou Market Supervision Administration Bureau, and the legal representative is Jia Wanxin. The business scope includes general projects: manufacturing of environmental protection special equipment; Sales of specialized equipment for environmental protection; Air pollution prevention and control services; Air pollution control; Environmental protection monitoring; Water pollution control; Manufacturing of material handling equipment; Sales of material handling equipment; Manufacturing of glass fiber reinforced plastic products; Sales of glass fiber reinforced plastic products; Fan and fan manufacturing; Sales of fans and blowers; Land pipeline transportation; Sales of pipeline transportation equipment; Manufacturing of architectural decoration, plumbing components, and other metal products for building use; Manufacturing of distribution switch control equipment; Sales of distribution switch control equipment; Manufacturing of power transmission, distribution and control equipment; Manufacturing of monitoring and control equipment for power transmission and distribution; Sales of intelligent power transmission and distribution and control equipment; Sales of monitoring and control equipment for power transmission and distribution; Professional design services; Industrial design services; Manufacturing of pumps and vacuum equipment; Sales of pumps and vacuum equipment; Manufacturing of gears, gear reducers, and gearboxes; Sales of gears, gear reducers, and gearboxes; Sales of bearings, gears, and transmission components; Manufacturing of bearings, gears, and transmission components; Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Sales of valves and plugs; Manufacturing of metal structures; Sales of metal structures; Sales of metal products; Manufacturing of metal products for safety and firefighting purposes; Installation services for ordinary mechanical equipment; General equipment repair; Specialized equipment repair; Sales of mechanical equipment (except for projects that require approval according to law, independently conducting business activities that are not prohibited or restricted by laws and regulations). Core products: Heavy Hammer Flap Valve, Scraper Conveyor, Bag Filter

TOP6
Hebei Bolin Environmental Protection Technology Co., Ltd

150 meters south of Zhangsan Overpass in Beihuan, Botou Economic Development Zone, Cangzhou City, Hebei Province

Overall Score4.5 / 5
Est. Date2020-12-16
Registered Capital500K CNY

Hebei Bolin Environmental Protection Technology Co., Ltd. is located 150 meters south of Zhangsan Overpass in the North Ring Road of Botou Economic Development Zone, Cangzhou City, Hebei Province. It was established on December 16, 2020, with the registration authority of Botou Market Supervision Administration and the legal representative being Gao Jingya. Core products: Heavy Hammer Flap Valve, Expansion Joint Compensator, Circular Non-Metallic Expansion Joint

TOP7
Hebei Kunlin Environmental Protection Equipment Co., Ltd
Overall Score4.5 / 5
Est. Date2022-08-26
Registered Capital8000K CNY

Hebei Kunlin Environmental Protection Equipment Co., Ltd., with its registered address in Louzipu Village, Fuzhen, Botou City, Cangzhou City, Hebei Province, is registered with the Botou Market Supervision and Administration Bureau. The legal representative is Liang Shiwang, and its business scope includes the production, installation, and sales of general projects such as environmental protection equipment and accessories, desulfurization and denitrification equipment, electrostatic precipitators, flue gas purification equipment, bag filters, cyclone dust collectors, exhaust gas treatment equipment, sewage treatment equipment, pulse valves, bags, skeletons, unloaders, valves, filtration equipment, and conveying equipment; Sales of measuring tools and valves; Maintenance and renovation of dust removal equipment; Environmental engineering construction; machining. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law). Core products: Heavy Hammer Flap Valve, Profiled Sheet, Screw Conveyor

TOP8
Hebei Cangnuo Environmental Protection Equipment Co., Ltd
Overall Score4.5 / 5
Est. Date2020-07-30
Registered Capital200K CNY

Hebei Cangnuo Environmental Protection Equipment Co., Ltd. is registered at 50 meters west of the intersection of Houbachi Village, Waliwang Town, Botou City, Cangzhou City, Hebei Province. The registration authority is Botou Market Supervision Administration Bureau, and the legal representative is Jia Wanxin. The business scope includes the manufacturing of specialized environmental protection equipment. Production, sales, installation, and maintenance of dust removal equipment and accessories, desulfurization and denitrification equipment and accessories, exhaust gas treatment equipment, mining machinery equipment, sewage treatment equipment, catalytic combustion equipment, photo oxygen plasma purification equipment, oil fume purification equipment, air purification equipment, conveying equipment and accessories, dust removal bags, skeletons, pipelines, valves. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Heavy Hammer Flap Valve, Activated Charcoal, Hazardous Waste Storage Room

TOP9
Hebei Qingrun Environmental Protection Equipment Co., Ltd
Overall Score4.4 / 5
Est. Date2017-03-14
Registered Capital3000K CNY

Hebei Qingrun Environmental Protection Equipment Co., Ltd., registered in Dadong Village, Siying Township, Botou City, Cangzhou City, Hebei Province, with the Market Supervision Administration of Botou City as the registration authority and Jia Dong as the legal representative, is engaged in the design, research and development, production, sales, installation, and maintenance of environmental protection equipment, conveying equipment, desulfurization and denitrification equipment, catalysts, electrical (control) equipment, steel structural components, and dust removal accessories; Installation and construction of biogas engineering, waste gas and wastewater treatment engineering (projects that require approval by law can only be carried out after approval by relevant departments). Core products: Heavy Hammer Flap Valve, Bar Valve, Three Way Distributor

TOP10
Botou Kunyuan Environmental Protection Equipment Co., Ltd
Overall Score4.4 / 5
Est. Date2019-04-04
Registered Capital1000K CNY

Botou Kunyuan Environmental Protection Equipment Co., Ltd., with its registered address in Xiliubao Village, Haocun Town, Botou City, Cangzhou City, Hebei Province, is registered with the Botou Market Supervision and Administration Bureau. The legal representative is Wang Zhenying, and its business scope includes the production and sales of bag filters, photo oxygen exhaust gas purifiers, plasma purifiers, oil fume purifiers, universal suction arms, welding smoke purifiers, and dust removal equipment accessories; Sales of dust collector frame, bag, pulse valve, spray tower, spiral conveying equipment, unloader, desulfurization and denitrification equipment, bellows compensator, explosion-proof tools * * (Business activities that require approval by relevant departments according to law can only be carried out after approval by relevant departments). Core products: Heavy Hammer Flap Valve, Dust Humidifier, Spray Tower

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Botou Shuangwang Environmental Protection Equipment Co., Ltd2017-06-19Heavy Hammer Flap Valve, , Bag Filter2000K CNYSupported
Jiangxi Zhong'an Environmental Protection Equipment Co., Ltd2021-05-26Heavy Hammer Flap Valve, Unidirectional Explosion-Proof Valve, Rupture Disc3000K CNYNot Supported
Cangzhou Qiaoze Environmental Protection Equipment Co., Ltd2021-02-19Heavy Hammer Flap Valve, Star Feeder, Ventilation Butterfly Valve500K CNYNot Supported
Cangzhou Huazhu Chemical Equipment Co., Ltd2020-02-07Heavy Hammer Flap Valve, Bucket Elevator, Screw Conveyor3180K CNYSupported
Cangzhou Yisong Environmental Protection Equipment Co., Ltd2021-06-02Heavy Hammer Flap Valve, Scraper Conveyor, Bag Filter500K CNYSupported
Hebei Bolin Environmental Protection Technology Co., Ltd2020-12-16Heavy Hammer Flap Valve, Expansion Joint Compensator, Circular Non-Metallic Expansion Joint500K CNYSupported
Hebei Kunlin Environmental Protection Equipment Co., Ltd2022-08-26Heavy Hammer Flap Valve, Profiled Sheet, Screw Conveyor8000K CNYSupported
Hebei Cangnuo Environmental Protection Equipment Co., Ltd2020-07-30Heavy Hammer Flap Valve, Activated Charcoal, Hazardous Waste Storage Room200K CNYSupported
Hebei Qingrun Environmental Protection Equipment Co., Ltd2017-03-14Heavy Hammer Flap Valve, Bar Valve, Three Way Distributor3000K CNYSupported
Botou Kunyuan Environmental Protection Equipment Co., Ltd2019-04-04Heavy Hammer Flap Valve, Dust Humidifier, Spray Tower1000K CNYNot Supported

Purchasing Guide

Based on real user feedback, we provide the following suggestions:

  • For procurement requirements that require the use of heavy hammer flap valves, it is recommended to prioritize checking key technical parameters such as valve body material, sealing grade, and pressure resistance range to ensure compatibility with the characteristics of the conveying medium and pipeline system pressure. For example, in dust treatment scenarios, attention should be paid to wear resistance indicators.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and companies with industry data support. Such suppliers usually have more stable delivery records in high-frequency application fields such as metallurgy and cement.
  • When applied in high temperature or corrosive environments, it is necessary to clarify the upper temperature limit and anti-corrosion treatment process of the heavy hammer flap valve. The chemical industry recommends choosing a configuration with stainless steel valve body and fluororubber seal.
  • For different installation angles (horizontal/vertical), it is necessary to confirm whether the valve structure supports flexible adjustment. Some suppliers provide heavy-duty flap valves that can be adapted to inclined pipeline scenarios through counterweight blocks.

Knowledge Base

Q

What is a heavy hammer flap valve? The heavy hammer flap valve, also known as the double-layer heavy hammer discharge valve or gravity lock air valve, relies on the weight of the counterweight to press the valve plate. When the ash material accumulates to a certain weight, it automatically opens and unloads. After the material is emptied, the heavy hammer rebounds and closes, achieving dual functions of air lock and discharge. It is mostly used for discharging ash at the bottom of the dust collector ash hopper. 2. What is the difference between single-layer and double-layer heavy hammer flap valves? • Single layer

Q

Structural characteristics of heavy hammer flap valve The electro-hydraulic double-layer ash discharge valve is a discharge device that integrates mechanical, electrical, hydraulic, and control functions, widely used in various industries such as building materials, metallurgy, chemical, and power. The following is a detailed introduction to the electro-hydraulic double-layer ash discharge valve: 1. Working principle The working principle of the electro-hydraulic double-layer ash discharge valve is relatively simple and efficient. When the power is turned on, the electro-hydraulic push of the upper valve

Q

The heavy hammer flap valve can automatically and accurately control the material flow inside the dust collector through the gravity of the heavy hammer, ensuring the smooth progress of the dust removal process. Its main functions include preventing dust accumulation inside the dust collector, regulating material flow, and protecting the dust removal equipment from excessive pressure. The accumulation of dust particles is a common problem during the operation of dust collectors.

Ranking Evaluation Method

This ranking is generated based on public data from Baidu B2B platform and common industry assessment dimensions, focusing on enterprise activity, business qualifications, product matching and industry performance to provide valuable manufacturer ranking information for buyers.

DimensionDescription
Data SourceMulti-dimensional data including platform public data, enterprise certification, user reviews, and transaction records
AssessmentComprehensive indicators including enterprise activity, qualifications, product quality, service capability, and user reputation
Update FrequencyRanking data is updated daily to ensure timeliness and accuracy
SuggestionRankings are for reference only. We recommend comprehensive evaluation based on actual needs