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Dungs Lgw 3 A2 Air Differential Pressure Switch (0.4-3 mbar)
US$35.00
1 Piece
Product profile
Customization
AvailableType
Pneumatic Air Differential Pressure SwitchNumber of Switch
Spdt (1 Changeover Contact)Model NO.
LGW 3 A2Structure
Mechanical Diaphragm Type, AdjustableUsage
Change-over SwitchApplication
Commercial, IndustrialExplosion-proof Type
Non Explosion-proofContact
Change-Over ContactContact Type
Break-Before-MakeDetection Method
Diaphragm TypeBrand
DungsCertification
CE, En 1854Adjustment Range
0.4 - 3 MbarMax. Operating Pressure
500 Mbar (50 Kpa)Switching Tolerance
< 0.3 MbarAmbient Temp.
-15°C ~ +60°CMedia Temp.
-15°C ~ +60°CProtection Class
IP54Pressure Connection
Hose Gland ø4.6 mmElectrical Connection
Terminal BlockContact Material
Fine Silver (AG)Operating Voltage
10-250 V AC /12-48 V DCTransport Package
Original Dungs BoxSpecification
0.5 kgTrademark
DUNGSOrigin
GermanyHS Code
90262020Production Capacity
999Key features
EN 1854 Certified Safety: Compliant with EN 1854 for reliable burner operation and gas safety.
High Precision Switching: Adjustable range 0.4-3 mbar with <0.3 mbar switching tolerance.
Durable Silver Contacts: Fine silver contacts ensure long service life and reliable switching.
IP54 Protection Rating: Robust polycarbonate housing protects against dust and water ingress.
Versatile Voltage Support: Operates on 10-250 V AC or 12-48 V DC for flexible integration.
Broad Application Scope: Suitable for natural gas, LPG, and oil burner systems.
Customization Options: Supports full customization, minor customization, and design-based options.
Company profile
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: 6 years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤1.27h
AI-Powered supplier vetting
SummaryShenzhen Zhongliweiye Electromechanical Equipment Co., Ltd. is a China-based manufacturer established in 2014 with 24 employees. It offers gas burners, burner accessories, boiler-related products, and related equipment. The supplier demonstrates broad customization and ODM capabilities, has two R&D engineers, provides technical and after-sales support, and maintains R&D design and validation documentation. It has OEM experience with recognized brands and has participated in the SFCHINA trade show. However, no certifications, SDK, R&D patents, overseas warehouses, overseas showrooms, overseas agents, or written supplier corrective-action procedures are documented. Financial records are indicated for 2022–2024, but their adequacy cannot be assessed from the provided information.
Supplier typeThe supplier is identified as a manufacturer and limited company located in Shenzhen, China, with products including gas burners, burner accessories, boiler accessories, burner controllers, and solenoid valves. This directly supports classification as a manufacturing supplier rather than a trading-only entity.
After-Sales capabilityThe supplier’s technical engineers are responsible for technical support during production and after-sales service, and it has a clear customer-complaint procedure with follow-up records. However, it reports no overseas warehouse, showroom, agent, or branch, indicating that overseas service infrastructure is not documented and is explicitly absent.
R&D capabilityThe supplier reports new products within the past year, two R&D engineers, R&D audit documentation, AutoCAD and 3D design capabilities, private mold capability, and ODM services. These are positive indicators of active product development, although it has no R&D patents and no available SDK.
Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization. Its two R&D engineers, private mold capability, AutoCAD, 3D design services, and ODM offering further support practical customization and design-to-production work.
Client casesThe supplier reports OEM service for recognized brands and participation in the SFCHINA offline trade show. These are direct indicators of market-facing experience, but no customer names, project descriptions, order volumes, or independently verifiable case details are provided.
Product Q&A
Q:What is the adjustable pressure range?
A:
The Dungs LGW 3 A2 switch features an adjustable pressure range of 0.4 to 3 mbar.
Q:Is this switch explosion-proof?
A:
No, this model is non-explosion-proof. It is designed for standard commercial and industrial combustion systems.
Q:What certifications does the product have?
A:
The product is certified with CE and EN 1854 standards for gas safety and automatic burner controls.
Q:What is the switching tolerance accuracy?
A:
The device offers high accuracy with a switching tolerance of less than 0.3 mbar.
Q:What are the electrical connection options?
A:
It supports a wide voltage range of 10-250 V AC or 12-48 V DC with terminal block connections.
Send Inquiry
*To:
Shenzhen Zhongliweiye Electromechanical Equipment Co., Ltd.
Shenzhen Zhongliweiye Electromechanical Equipment Co., Ltd.*Content:
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