Parameters and Prices for BCD/HB Series Explosion-Proof Electric Hoists by Explosion-Proof Rating
📌 Key Points Explosion-proof electric hoists are manufactured in accordance with the GB/T 3836 standard (formerly GB 3836-2000) and feature explosion-proof enclosures and non-sparking materials to prevent sparks from igniting explosive gases. The main models include the BCD type (explosion-proof wire rope hoist, for chemical plants and ground use, with explosion-proof rating ExdⅡBT4–CT4) and the HB type (mining-grade explosion-proof hoist, for use in coal mine shafts, certified by the Coal Mine Safety Administration). Prices are 50–100% higher than those of non-explosion-proof models of the same tonnage, and the HB type is 20–50% more expensive than the BCD type.
Explosion-proof electric hoists are lifting devices specifically designed for hazardous environments containing explosive gases, dust, and other hazards. They are widely used in flammable and explosive locations such as chemical plants, oil refineries, underground coal mines, military factories, and liquefied gas stations. A key feature of explosion-proof electric hoists is that all exposed components are manufactured from spark-proof materials, and the electrical components are housed in flameproof enclosures, thereby eliminating the possibility of sparks igniting explosive mixtures at the design stage. Krude Heavy Industry is a certified manufacturer of a full range of explosion-proof electric hoists. Both the BCD and HB models have been certified by the National Quality Supervision and Inspection Center for Explosion-Proof Electrical Equipment and are insured by PICC.
1. BCD-Type Explosion-Proof Wire Rope Electric Hoist
BCD-Type Explosion-Proof Wire Rope Electric Hoist(Also known as the BCD-type single-speed explosion-proof electric hoist) is a standard explosion-proof hoist that incorporates explosion-proof design based on the CD1 model. With a lifting capacity of 0.5–20 metric tons and explosion-proof ratings ranging from ExdⅡBT4 to ExdⅡCT4, it is suitable for the vast majority of explosive gas environments (including chemical, petroleum, pharmaceutical, and paint shops), except for underground coal mines. Structural Features: The housing is made of high-strength cast iron with an explosion-proof design; the hoisting motor is an explosion-proof conical rotor motor; the travel motor, electrical enclosure, control buttons, limit switches, and other components are all designed to be explosion-proof or increased safety type. Exposed components such as wire ropes and hooks are made of spark-free materials, such as copper alloys, to prevent sparks caused by friction or impact.
BCD models are typically 50–100% more expensive than CD1 models of the same tonnage: the BCD-1t costs approximately 6,000–12,000 yuan, the BCD-5t costs approximately 15,000–30,000 yuan, BCD-10t approximately 30,000–60,000 yuan. The higher the explosion-proof rating (ExdⅡCT4 > BT4), the higher the price, with an increase of approximately 15–25%. Users must select the appropriate explosion-proof rating based on the explosive gas group present in the actual environment; refer to Appendix B of GB/T 3836.1-2021 for gas group classification.
2. HB Series Explosion-Proof Electric Hoist for Mining Applications
HB-Type Explosion-Proof Electric Hoist for Mining ApplicationsDesigned specifically for explosive gas environments in coal mine shafts, with a lifting capacity of 0.5 to 25 metric tons, and explosion-proof ratings up to Exd I (for coal mines) and Exd II CT4 (for chemical plants). The main difference between the HB and BCD models is that the HB model must hold a National Coal Mine Safety Mark Certificate (Coal Safety Certificate MA), certifying its compliance with coal mine safety regulations (AQ standards) and confirming that it can be safely used in underground mine tunnels containing explosive gases such as methane. Structurally, the HB model incorporates additional protective and sealing measures for the motor, electrical system, and braking system to withstand harsh underground conditions characterized by high humidity, heavy coal dust, and significant power supply fluctuations.
The HB model is 20–50% more expensive than the BCD model; the price difference becomes more significant as the lifting capacity increases. Key certification requirements: The Coal Mine Safety Certificate must be valid and correspond to the actual model being purchased; explosion-proof hoists without a Coal Mine Safety Certificate are strictly prohibited from use underground in coal mines. Krude Heavy Industry can provide a copy of the Coal Mine Safety Certificate for verification.
3. Operating Environments for Explosion-Proof Electric Hoists
Explosion-proof electric hoists must be selected based on the classification of the explosion-hazardous areas where they will be used. According to GB 50058-2014, “Code for Design of Electrical Installations in Explosion-Hazardous Environments,” explosion-hazardous areas are classified as Zones 0, 1, and 2 (gas environments) and Zones 20, 21, and 22 (dust environments). The BCD type is suitable for Zones 1 and 2, while the HB type is suitable for Zone 1 in underground coal mines (where there is a risk of methane accumulation). When selecting a model, the following factors must be clarified: ① Category of explosive substances (IIA/IIB/IIC); ② Temperature class (T1–T6); ③ Zone classification (Zones 0, 1, or 2); ④ Whether dust explosion protection is required. The technical team at Krude Heavy Industry can recommend the correct explosion-proof rating based on the environmental parameters provided by the user.
4. Comparison Table of Explosion-Proof Electric Hoist Models
| Comparison Items | BCD-Type Explosion-Proof Hoist | HB-Type Explosion-Proof Hoist for Mining | Non-Explosion-Proof Type CD1 |
|---|---|---|---|
| Applicable Environments | Chemical/Petroleum/Pharmaceutical Zones 1 and 2 | Area 1, Underground Coal Mine | Areas with no risk of explosion |
| Explosion-proof rating | Exd IIB T4–CT4 | Exd I–Exd II C T4 | 无 |
| Certification Requirements | Explosion-Proof Certification + 3C | Coal Mine Safety Certificate (MA) + Explosion-Proof Certification | Type Test Certificate |
| Price (based on 5 metric tons) | 15,000–30,000 yuan | 20,000–40,000 yuan | 8,000–15,000 yuan |
| Lifting Capacity Range | 0.5–20 metric tons | 0.5–25 metric tons | 0.5–20 metric tons |
| Scope of Application | Chemical Plant / Military Factory / Paint Shop | Underground Coal Mines and Methane Environments | General-Purpose Factories/Warehouses/Docks |
5. Data Sheet for Explosion-Proof Electric Hoist
Exd IIB T4 Standard Explosion-Proof Rating BCD Type, Standard Exd IIB T4; Maximum Exd IIC T4, suitable for acetylene/hydrogen |
50~100% Explosion-Proof Premium The BCD model is 50–100% more expensive than the CD1, and the HB model is 20–50% more expensive than the BCD. |
Coal Mine Safety Certificate HB Type Mandatory Certification HB-type explosion-proof hoists for mining must have a valid coal mine safety certificate; they may not be used underground without one. |
Zone 1/2 Applicable Areas The BCD model is suitable for Zone 1 and Zone 2 explosive atmospheres. |
No sparks Material Design Exposed parts are made of spark-free materials, such as copper alloys, to prevent sparks caused by collisions. |
0.5–25 metric tons Lifting Capacity Range BCD 0.5–20 metric tons, HB 0.5–25 metric tons—comprehensive coverage |
Frequently Asked Questions (FAQ)
Q: How much does an explosion-proof electric hoist cost?
Answer: Explosion-proof electric hoists are more expensive than non-explosion-proof models of the same tonnage: the BCD-1t costs approximately 6,000–12,000 yuan, the BCD-5t costs approximately 15,000–30,000 yuan, the BCD-10t is approximately 30,000–60,000 yuan. They are 50–100 yuan more expensive than the CD1 model. The HB mining-grade model is 20–50 yuan more expensive than the BCD model. Krude Heavy Industry is a certified manufacturer and can customize special explosion-proof ratings upon request.
Q: What is the difference between an explosion-proof electric hoist and a standard electric hoist?
Answer: ① Different housing—Explosion-proof models use an explosion-proof cast iron housing that can withstand an internal explosion without allowing it to propagate to the outside; ② Different materials—Exposed parts are made of spark-proof materials such as copper alloys; ③ Different electrical components—Motors, pushbuttons, limit switches, and other components are all certified as explosion-proof; ④ Different certifications—must hold an Explosion-Proof Qualification Certificate (BCD) or a Coal Mine Safety Certificate (HB). Standard hoists cannot be used in explosion-hazardous areas.
Q: How much does a 1-metric-ton explosion-proof electric hoist cost?
A: The BCD-type 1-metric-ton explosion-proof electric hoist costs approximately 6,000 to 12,000 yuan. The exact price depends on the explosion-proof rating (Exd IIB T4 or CT4), lifting height (6–30 m), and whether a travel trolley or remote control is included. The HB mining-grade 1-metric-ton model costs approximately 8,000–15,000 yuan. Krude Heavy Industry offers free technical consultations and quotes.
Q: Do explosion-proof electric hoists need to be submitted for inspection?
Answer: Explosion-proof electric hoists are not classified as special equipment in and of themselves and do not require separate inspection registration. However, when installed on a crane with a lifting capacity of 3 metric tons or more, the entire crane must be managed as special equipment, and the explosion-proof performance of the explosion-proof electric hoist must be subject to a specialized inspection during periodic inspections. Inspection items include verification of explosion-proof parameters (clearance between explosion-proof surfaces, condition of sealing gaskets, cable entry devices, etc.). The operating entity should conduct its own annual inspection of the explosion-proof performance.
Both Krude Heavy Industry’s BCD-type explosion-proof electric hoist and HB-type mining-grade explosion-proof electric hoist have been certified by the National Quality Supervision and Inspection Center for Explosion-Proof Electrical Equipment, are insured by PICC, and come with a 12-month warranty. See the relevant product pages:BCD Type Explosion-Proof Electric Hoist、HB-Type Explosion-Proof Electric Hoist for Mining Applications。
