What if the safety valve jumps open but cannot return to its original position?

After manually releasing the pressure, remove the safety valve and clean the impurities on the valve core; calibrate the opening pressure of the safety valve, and replace it with a new one if necessary.

How to troubleshoot control cabinet alarms or inability to start?

Check for faults by referring to the alarm codes (such as overheating, water shortage, or flameout); reset the safety interlock; inspect whether the wiring and sensors are loose or damaged.

Small Medium Large Horizontal Oil Gas Steam Boiler Complete Models

Name: Small Medium Large Horizontal Oil Gas Steam Boiler Complete Models
Brand: Henan Hengxin Boiler Manufacturing Co., Ltd.
SKU: 2155540452

Henan, ChinaHenan Hengxin Boiler Manufacturing Co., Ltd.

US$3,200.00

1-2 Sets

US$3,000.00

3-4 Sets

US$2,700.00

5+ Sets

Product specifications

Steam boiler

Product profile

Customization

Available

Function

Steam Boilers

Fuel

Gas-Fired

Model NO.

WNS

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

Weight

According to Boiler Capacity

Materials

Q245r Steel Plate

Feed Water Temperature

20 ℃

Thermal Efficiency

96%

Color

Customer's Requirement

Average Lead Time

15 Working Days

Service Life

More Than 10 Years

Applicable Industry

Textile Factory, Food Industry, Clothing Factory,

What Is The Structure of The Furnace

Horizontal Three-Pass Quick-Install Structure

Specification

Boiler capacity dependent

Trademark

Hengxin

Origin

Henan, China

HS Code

8402190000

Production Capacity

2000 Set/Year

Key features

High Thermal Efficiency: Thermal efficiency exceeds 95%, offering 30% more energy savings than ordinary boilers.

Triple-Pass Fire Tube Design: Shell-type fully wet back design ensures thorough combustion and low heat loss.

Full Automation Control: PLC system enables one-button start/stop, automatic water supply, and load regulation.

Comprehensive Safety Protection: Features interlocks for water shortage, overpressure, overtemperature, and flameout.

Customizable Color: Color can be customized according to customer requirements.

Durable Construction: Made of Q245r steel plates with new insulation and stainless steel outer plates.

Wide Application Scope: Suitable for food, pharmaceutical, chemical, dyeing, and hotel heating industries.

Long Service Life: Designed for a service life of more than 10 years.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceFull CustomizationFast Delivery

Henan Hengxin Boiler Manufacturing Co., Ltd.

Henan, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 10 years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤0.30h

AI-Powered supplier vetting

SummaryThe supplier demonstrates broad manufacturing and customization capabilities in heating equipment, mechanical components, environmental protection equipment, and metal structures. It reports five production lines, four quality inspectors, ISO 9001 and ISO 14001 management certifications, and CE product compliance certification. The supplier provides OEM and ODM services, has introduced new products within the past year, and supports multiple customization types. Quality procedures include corrective and preventive action and customer complaint handling with documented records, although finished-product inspections are guided by instructions without written records. The supplier has ten years of export experience and offers inventory and FOB, CIF, CFR, and EXW service options. Limitations include no overseas agents or branches, overseas warehouses, overseas showrooms, or offline trade-show participation, no available SDK, and no valid manufacturing-capacity contract with affiliated subcontractors....

Supplier typeThe supplier is a manufacturer and supplier of heating equipment, mechanical parts, environmental protection equipment, metal structures, and related equipment. Its registered scope includes special-equipment manufacturing and installation, general equipment manufacturing, mechanical-equipment sales, heating production, and import/export activities, indicating a multi-category industrial manufacturer rather than a pure trading company.

CertificationsThe supplier reports ISO 9001 and ISO 14001 management-system certifications and CE certification for product compliance. These explicitly support its quality, environmental-management, and product-compliance credentials.

After-Sales capabilityThe supplier has clear procedures and followed records for corrective and preventive actions and customer complaint handling, and it reports quality assurance and in-stock capability. However, it has no overseas agents or branches, overseas warehouse, overseas showroom, or overseas service coverage, so its international after-sales infrastructure is limited.

R&D capabilityThe supplier states that it has introduced new products within the past year and provides ODM services, supporting active product-development capability. However, it reports no available SDK, which limits evidence of software-development or integration capability.

Production capacityThe supplier operates five production lines and lists laser cutting, rolling, drilling, plate shearing, and welding equipment. It also reports inventory capability and ten years of export experience, but no valid contract exists between the factory and affiliated subcontractor, creating a documented weakness in subcontracted manufacturing-capacity governance.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. These capabilities are stated both for design services and R&D-related services, indicating broad product-customization coverage.

Client casesThe supplier reports providing OEM services for well-known brands, which is direct evidence of at least one type of customer experience. However, no customer names, project details, references, case studies, or independently verifiable delivery records are provided, so the breadth and quality of its customer cases cannot be fully assessed.

Product Q&A

Q:What should I do if steam pressure fails to rise or fluctuates?

Check if the load has suddenly increased; appropriately increase the combustion load; clean the heat-exchange surfaces to remove deposits and improve the heat exchange efficiency; calibrate the pressure gauges and pressure controllers to ensure the interlock function is normal.

Q:How to handle abnormal boiler water level?

Flush the water level gauge to remove any steam or water blockages; check if the water supply valve and the blowdown valve are leaking; calibrate the water level sensor and the automatic water supply device, and restore automatic control.

Q:What causes high exhaust gas temperature and low thermal efficiency?

Clean the ash and scale in the flue / furnace liner; Check for any air leakage in the flue; Optimize the combustion ratio to prevent incomplete combustion.

Q:How to fix leakage of the furnace body, pipeline, water, or steam?

After the equipment is shut down and depressurized, locate the leakage point and perform welding repair or replace the sealing gasket; check the tightness of the flange bolts and replace the aged sealing ring.

Q:What to do if the burner makes excessive noise or vibrates significantly?

Check whether the fan impeller is clogged with dust or deformed; Tighten the connecting bolts between the burner and the furnace body; Adjust the opening degree of the air valve to prevent turbulent airflow.