What kind of documents will be provided?

Our documents include English instruction manuals, conformity certificate, drawings, manufacturing data, etc. More detailed documents can be provided upon request.

Only 1 set, if you have more than that, you will get a more favorable price.

How's the packaging & shipping

For metal products like boiler body, steam header, tank, etc, they will be packed by stretch film; for accessories, they will be packed in wooden cases or carton boxes. We can handle all shipments including standard container, open top container, flat container, bulk carrier, etc. Because of big dimensions, not all boilers can be loaded into standard containers. For gas/oil boilers, bigger than 5 ton/hr or 3.5 MW can't be loaded into standard container.

Packaged 4t/H 3 Pass Wet Back Fire Tube Steam Boiler

Name: Packaged 4t/H 3 Pass Wet Back Fire Tube Steam Boiler
Brand: Devotion Machineries Co., Limited
SKU: 762870155

Guangdong, ChinaDevotion Machineries Co., Limited

US$36,000.00-49,000.00

1 Set

Product profile

Customization

Available

Function

Steam Boilers

Fuel

Gas/Oil/Dual Fuel

Model NO.

WNS4-1.25-Y(Q)

Installation

Packaged Boiler

Structure

Fire Tube

Media

Steam and Water

Water Circulation

Natural Circulation

Drum Placement

Horizontal Boiler

Pressure

Low Pressure

Manufacturing Level

Burning Style

Chamber Combustion Boiler

Usage

Industrial

Rated Working Ressure

1.25~1.6 MPa (12.5 Bar ~16 Bar)

Boiler Capacity

280 Bhp

Applicable Fuel

Gas, Oil, Dual Fuel

Electricity Specification

3/380/50, 3/400/60, 3/440/60, 3/220/60

Transport Package

Stretch Film & Wooden Cases

Specification

4 t/h or 4000 kg/h

Trademark

Devotion

Origin

China

HS Code

84021900

Production Capacity

50 Sets/Month

Key features

High Thermal Efficiency: Thermal efficiency reaches up to 91.3% without economizer and 94.6% with economizer installed.

Versatile Fuel Options: Compatible with light oil, diesel, heavy oil, natural gas, LPG, city gas, and dual fuel configurations.

Wide Capacity Range: Available in 12 models ranging from 0.5 to 20 tons per hour steam evaporation capacity.

Flexible Voltage Support: Supports multiple voltage standards including 3/380/50, 3/440/60, 3/220/60, and 3/400/60.

Low Pressure Design: Rated working pressure ranges from 1.25 to 1.6 MPa, suitable for low pressure industrial applications.

Natural Circulation: Features horizontal drum placement and natural water circulation for stable operation.

Packaged Structure: Fire tube structure with wet back design, fully packaged for easy installation and transport.

Comprehensive Documentation: Provides English manuals, conformity certificates, drawings, and manufacturing data upon request.

Company profile

Devotion Machineries Co., Limited

Guangdong, China

Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: ≤18h

AI-Powered supplier vetting

SummaryDevotion is identified as a boiler manufacturer rather than a professional technical supplier. It reports production capacity of 1,000 boiler sets, broad customization, 3D software design, ODM, and OEM services, plus new products during the past year. It holds multiple Chinese manufacturing and installation licenses and describes advanced fabrication/testing facilities, quality management, and an established sales and after-sales network. However, overseas service infrastructure is limited: no overseas warehouse, showroom, agent, or branch is reported, and overseas service coverage is stated as zero. Financial records are referenced for 2021–2023, but no figures or independent assessment are provided. Quality assurance and traceability status are unknown, testing equipment is reported as zero, and the sole listed R&D engineer mainly designs website and promotional materials.

Supplier typeThe supplier explicitly states that it is not a professional technical supplier, while its stated business is boiler manufacturing with annual productivity of 1,000 sets. Its company description also identifies it as a licensed boiler and pressure-vessel manufacturer.

CertificationsDevotion reports a Class B boiler manufacturing license, Class A steam generator manufacturing license, D1 and D2 pressure vessel manufacturing licenses, and a Class 2 boiler installation license. These are explicit sector-related licenses and support a positive certification assessment.

Production capacityAnnual productivity is stated as 1,000 boiler sets, supported by reported fabrication and testing facilities and multiple manufacturing licenses. However, the quality-control equipment count is reported as zero and quality assurance and traceability statuses are unknown, so production volume is evidenced but overall production-control capability is not fully established.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports 3D design, ODM, and OEM services, providing direct evidence of broad customization capability.

Product Q&A

Q:Where is your company located?

We are located in Guangzhou which is famous for international business and worldwide renowned Canton fair is held twice each year, it's the nearer and less cost to reach ports of Southeast Asia, Africa, Middle East, South America, Oceania and Europe.

Q:What is the Warranty for the boilers?

You will get eighteen months (18) warranty counting from the date of shipment or fourteen (14) months from the date of commissioning, whichever is earlier.

Q:How about the installation and commissioning?

We'll specify the service clause for installation and commissioning in details. Generally, our products can be handled by end-users themselves with our documents provided or internet online assistance. However, our service team members also are available for travelling upon request from customers.

Q:What's the production lead time for delivery?

For our standard products, usually it will take about 35-45 days for pressure boilers, and 25-30 days for non-pressure boilers. For non-standard products, time will be different subject to the specifications of pressure, electricity, fuel, capacity, etc.

Q:What about your payment term?

Our terms of payment is very flexible, we can discuss and meet your requirement. However, TT is the most welcome term and it has the priority to the price discount.