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Organic heat carrier boiler
yuanda hermic fluid heater
yuanda hot oil boiler
transfer heating oil boiler

Oil / Gas Fired Thermal Oil Boiler

Thermic fluid heater | Organic heat carrier boiler | Hot oil heating boiler

YY(Q)W series thermal oil boiler is horizontal chamber combustion three-coil structure, wet back boiler. This boilers are fully automatic, safe and designed to operate on a wide range of liquid and gaseous fuels like heavy oil, light oil, gas, and dual fuel options.

Thermal Capacity: 120-14,000kw 150,000-12,000,000Kcal/h
Temperature: 200 ℃ ~ 350 ℃
Styles: horizontal / vertical
Available Fuel: gas, lpg, heavy oil, diesel, dual fuel
Usage: oil heating for printing, dyeing, refinery&chemical, plastic and rubber, wood industry, building material, food industry, etc.


YY(Q)W gas/oil fired thermal oil boiler is a special oil filled boiler for factory heating&drying. It use natural gas, lpg, diesel, or heavy oil as fuel, the fluid oil is heated in the boiler tubes instead of regular water or steam.

Rated Pressure: 0.8mpa, 1.0mpa

Outlet Oil Temperature: can be adjusted, max. 350℃


Widely used for Chemical, Plastic, Textile, Dyeing, Plywood, Fiber, Rubber, Corrugated cardboard, Food, Fryer, Asphalt, Paint and automobile industry, and other drying coated substances etc

Protective Function

• Super oil temperature alarm

• Low oil flow alarm

• Over exaust gas temperature

• Liquid level protection

• Automatic operation of the burner ignition, flameout, big/small fire switch

• Voltage and power supply abnormality protection

• System interlock: when the system pressure difference is less than 0.01Mpa or the oil temperature exceeds 320 ℃, the system is automatically interlocking, immediately alarm and shut down the combustion machine.

Yuanda Boiler design vertical thermal oil boiler for use in factories with limited space; skid-mounted thermal oil boilers require no installation and can be put into use quickly.


3-pass wet back, oil cover fire structure, larger corugated furmace.
Increase radiant heating area, the boiler thermal efficiency is higher; Prevent the boiler shell from deforming under high temperature; Compact coil tube, no gaps, ensuring the flue gas flow

High-matching PLC English/Russia/Spanish control system & touch screen display.
Realize muitiple linkages, easy to operate, protect the boiler long uselife & running safely.

Double Layer 12cm aluminum silicate insulation
Boiler surface temperature is not higher than 40 ℃, energy saving and high efficiency

Outputting oil tank external design
Prevent oil carbonization and avoid accidents, and easy for maintenance. Ensure the oil heater lifespan.

Double door for smoke box

easy inspection and maintenance; Explosion-Proof door, make sure safety;


Our Service

Pre-sale Service:

1. Design一We help customer to choose the best boiler model according to the different requirements of different industries.
2. Drawing and files一Supply quality certificates, factory-inspect, fuel consumption calculation, cost analysis, foundation drawings, layout drawings, boiler room drawings nased on your needs, etc.
3. Technical Solution一Design completed boiler solution with installation materials for your company.
4. Transportation一We have shipping partners and forwarder for lowest price and safe.

After-sale Service:

1. Provide a full range of boiler and original spare parts.
2. Overseas engineers installation and commissioning service is available.
3. Training in site, to ensure safe operation.
4. 24 hours online, quick respond.
5. Free maintenance and repair for one year and lifetime service.

Hot Product

About Our Company

■ Founded in 1956, a quality supplier assessed, certified and inspected by SGS Group
■ CE ASME DOSH EAC GOST TUV BUV ISO high standard boiler certification
■ More than 17 years of export experience, gold medal supplier, guaranteed payment and delivery.
■ Integrating research&development production and sales
■ Support video/VR or third party factory inspection
■ Best seller in 108 countries, more than 100,000 customers

Yuanda Boiler factory

Quality Assurance

Steel element test→Steel rust cleaningWelding electrodes drying processAutomatic welding, argon arc welding, expansion welding etc. methodsNDT(Nondestructive Testing) including X-ray Test, Ultrasonic Test, Magnetic particle TestHydraulic pressure test.

FAQ of Thermal Oil Boiler

1. How much gas does the boiler use per hour?

Take 700kw natural gas thermal oil boiler as an example, the consumption per hour is 70m³.

2. Worried about the installation?

①We have skid mounted thermal oil boiler, free of installation; ②We can send engineers to install boiler.

3. Don't have enough space in our factory?

We have vertical thermal oil boiler, small footprint.

4. Do you have agent here?

We have agents and partners in some countries, will check list for you.


oil gas thermal oil boiler
Model Rated thermal power
Heating power
Rated working pressure
Thermal oil outlet temperature
Fuel consumption
Light diesel oil(kg/h) Natural gas(Nm3/h)
YY(Q)W-350Y(Q) 350 300000 0.8/1.0 ≤350 30.5 36.1
YY(Q)W-700Y(Q) 700 600000 0.8/1.0 61.3 73.6
YY(Q)W-1000Y(Q) 1000 850000 0.8/1.0 92 101.5
YY(Q)W-1400Y(Q) 1400 1200000 0.8/1.0 122.6 147.1
YY(Q)W-3000Y(Q) 3000 2500000 0.8/1.0 249.2 296.4
YY(Q)W-3500Y(Q) 3500 3000000 0.8/1.0 305.6 366.8
YY(Q)W-4200Y(Q) 4700 4000000 0.8/1.0 367.5 436.6
YY(Q)W-5600Y(Q) 5600 4800000 0.8/1.0 489.6 586.8
YY(Q)W-7000Y(Q) 7000 60000000 0.8/1.0 612.3 726.9
Note: Standard boiler parameter is for your reference, should follow the actual technical data according customer needs & engineer design.

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