Ex-Proof HVAC

Explosion Proof HVAC

Explosion-proof heating ventilation and air conditioning, HVAC unit. ATEX & IECEx certified for Hazardous area installations. Suitable for Zone 1 and Zone 2 area classifications. Gas Group IIA, IIB, IIC and Temmperature Class T1-T4.
Best suitable for installations in Analyser Shelters, Electrical equipment rooms, E-Houses, Equipment shelters, Control rooms, Operator shelters etc. Comply to requirements for fresh air intake and positive pressurisation. Features include heating, cooling, and regulating humidity. Corrosion resistant construction and high ambient temperature rating.

Industrial grade design for continuous operation in the harsh environments.
Hot dip galvanized sheet or stainless-steel plate moulded outdoor unit. Service life of up to 20 years.
Aluminium thread fins with copper tube and hydrophilic membrane.
Anti-static coating.
PLC programmable, DDU or MCU controller
LCD display
Refrigerant: R22, R407C, R134a
Chemical filtration (optional)
Sand filtration (optional)
Marine standards DNV, ABS (optional)

Explosion-proof Air Conditioner - Split Type

Explosion-proof wall mounted split air conditioner certified to ATEX & IECEx. Suitable for Zone 1 and Zone 2 area classifications. Gas Group IIA, IIB, IIC and Temmperature Class T1-T4.
Applications in Oil & Gas, Marine, Chemical, Military, Power and other applications. Commonly installed in operator rooms, driller cabins, analyser shelters, chemical storage containers, battery rooms etc.

Anti-static coating
Aluminium thread fins with inner thread copper tube and hydrophilic membrane.
Refrigerant: R22, R407C, R410A
Marine standards DNV, ABS (optional)
Upto 30,000 Btu (2,5Tons)

Explosion-proof Air Conditioner - Window Type

Anti-static coating
Aluminium thread fins with inner thread copper tube and hydrophilic membrane.
Refrigerant: R22, R407C, R410A
Marine standards DNV, ABS (optional)
Upto 30,000 Btu (2,5Tons)

Explosion-proof oven

Explosion-proof oven can be used in hazardous areas 21 and 22 dust areas classified by GB12476.3. Application includes for flammable and explosive materials dehumidification, heat preservation, drug concentration and drug column curing in the petroleum, chemical, military, civil explosive, and electrical industries for baking fire (blast) medicines and artillery shells (rockets). For drying appliances, baking cores and other uses.

Three category explosion-proof protections and classification in design:

Ex ibD tD A21 IP65 T120°C (heating medium: distilled water)
Ex ibD tD A21 IP65 T200°C (heating medium: industrial glycerine)
Ex ibD tD A21 IP65 T300°C (heating medium: heat conducting oil)

For different baking temperature requirements.

Explosion-proof structure design and manufacturing
Pressure tested to ensure that there is no leakage of the heat transfer medium
Fast heating rate, even temperature distribution inside, and temperature controls.
PLC control, text LCD display, man-machine interface operation.

Options:

- Stainless steel shell and liner material: (S304, S316L)
- Heat transfer medium: distilled water, industrial glycerine, industrial heat transfer oil

Explosion-proof water cooler

Explosion-proof chiller can be used in hazardous area Zone 1 and Zone 2 locations classified by GB3836.14. Applications in petroleum, chemical, military, power, marine and other industries where the area classification is according to GB3836.1: IIA, IIB, IIC category, temperature group T1 ~ T4 group of explosive gas mixture. Used as analyze precision water coolers such as sampling systems and industrial processes.

High precision of temperature control for minor variations of water temperature
High quality scroll compressors, expansion valves and other refrigeration components
Heat exchanger adopts aluminium thread fins with inner thread copper tube and hydrophilic membrane.
Environment friendly R134a refringent gas
Integrated design, controller inside the box.

Options

Stainless steel Shell material: (S304 or S316L)
Female copper sleeve copper fins
Anti-corrosion coating
Extremely high ambient temperatures upto 60°C

Explosion-proof axial fan

Flameproof axial flow fan used in hazardous area Zone 1 and Zone 2 locations classified by GB3836.14. Suitable for oil, chemical, military, power, marine and other industries under the normal working environment with the classification according to GB3836.1: IIA, IIB, IIC, temperature groups T1 ~ T4 Room.

Operation room, driller room, analyser shelters, Battery rooms, E-Houses, production workshop, dangerous goods warehouse, and other places for ventilation.

Small size, light weight, easy to install
Smooth operation, low noise
Auto shutoff damper when de-energised.

Flameproof exhaust fans

Explosion-proof exhaust fans used in the hazardous area Zone 1 and Zone 2 locations classified by GB3836.14. Applications in areas with presence of explosive gas mixtures in ambient conditions. Oil, chemical, military, power, marine and other industries under the normal working environment with the classification according to GB3836.1: IIA, IIB, IIC, temperature groups T1 ~ T4 Room.

Commonly installed in operation rooms, driller cabins, analyser shelters, equipment rooms, battery rooms, dangerous goods warehouse, and other places for ventilation.

- Light weight, easy installation
- Smooth operation, low noise
- Aluminium alloy fan, non-sparking surfaces
- Auto close dampers (Optional)

Explosion-proof HVAC control panels

Explosion-proof electrical control panels for HVAC and fans controls. Used in harsh industrial places with GB, IECEx, ATEX, EAC and other Ex certification. It is suitable for hazardous area Zone 1 and Zone 2, Zone 21 and Zone 22, which are classified as Class II and Class III, temperature group T3 ~ T6. The explosion-proof electrical control panels can be installed with transfer switches, push buttons, ammeters, LED indicators, contactors, controllers, displays and other electrical or instrumentation components either certified or not certified to Ex-classification. Complete assembly will be certified and in compliance with ATEX / IECEx regulations to install in Hazardous area Zone 1 or 2. Widely used in petroleum, chemical, aerospace, military, marine industry, electric power and similar industries. PLC based or DDU based controls shall be customized and certified for installation in hazardous areas.