Shenzhen Zhongli Weiye Electromechanical Equipment Co., Ltd

Shenzhen Zhongli Weiye Electromechanical Equipment Co., Ltd Shenzhen Zhongli Weiye Electromechanical Equipment Co., Ltd.

is a professional thermal energy and combustion equipment company that expertly integrates sales, installation, maintenance, and upkeep services.

10/09/2026

When your burner's air-fuel ratio is off, efficiency drops—and so does your bottom line.

Meet the SQN31.402A2700 Servo Motor—the electro-motoric actuator built for precise damper and air/fuel ratio control in small to medium-sized oil and gas burners.

⚙️ Key Specs You Can Count On:

Rated Torque: 3 Nm (holding torque: 3 Nm)

Running Time (90°): 30 seconds

Rotation: Clockwise

Voltage: AC 220–240 V (–15% / +10%)

Frequency: 50–60 Hz (±6%)

Power Consumption: 6.5 VA

Protection Class: IP40

Auxiliary Switches: 3 units

Housing Size: 125 mm

🏭 Where It Works:
This servo motor is designed specifically for burner damper positioning and air/fuel ratio control in industrial combustion systems.Whether you're running oil-fired or gas-fired burners, the SQN31.402A2700 ensures optimal mixing of fuel and combustion air—delivering cleaner combustion and better fuel economy.

🔧 Built to Perform:

Cam-controlled with gear clutch mechanism

Internal and external position indication

Easy adjustment of limit and auxiliary switches

Durable black-gray thermoplastic housing with aluminum die-cast gear casing

🔄 Need a Different Spec? Check These Alternatives:

Model Torque Running Time (90°) Rotation
SQN31.401A2700 3 Nm 30s Clockwise
SQN31.221A2700 1.8 Nm 12s Clockwise
SQN30.402A2700 3 Nm 30s Counterclockwise
SQN31.401A2760 3 Nm 30s Clockwise

📩 Ready to order or need a quote?
Drop us a message or comment "INFO" below—we'll get back to you within 24 hours!

09/09/2026

When it comes to monitoring pressure in liquids, gases, or steam—precision and safety are non-negotiable. That's where the DSB158F001 comes in.

✅ Setting Range: 0 to 25 bar
✅ Switching Difference: 1.0 to 7.5 bar (adjustable)
✅ Max Pressure: 60 bar
✅ Sensor Temp: Up to 70°C
✅ Protection Class: IP65
✅ SIL2 Certified per IEC 61508
✅ GL & LR approved for marine applications
✅ Brass pressure sensor – ideal for non-aggressive media
✅ No external power needed – pure mechanical operation
✅ Adjustable lower switching point & switching difference
✅ Sealable settings to prevent tampering

💡 Where to use it?

HVAC systems (chillers, heat pumps, cooling/heating loops)

Industrial compressors & pneumatic systems

Boiler pressure monitoring & steam systems

Marine & offshore pressure control

Oil, gas, water, and chemical process monitoring

Vacuum systems & precision industrial equipment

The DSB158F001 delivers robust, reliable pressure monitoring with zero dependency on auxiliary power—keeping your systems safe even during power outages.

Looking for other pressure ranges or safety configurations? Check these out:

🔹 DSB152F001 – Setting range 6 to 16 bar, switching difference 1 to 4 bar, max pressure 30 bar. SIL2 certified. Great for medium-pressure industrial applications.

🔹 DSF152F001 – Stainless steel sensor version for slightly aggressive media. Setting range 0 to 16 bar, mechanical operation, no external power needed. Ideal for corrosive or humid environments.

🔹 DSL143F001 – Safety pressure limiter with self-locking manual reset (latching type). Setting range 0.5 to 6.0 bar. Triggers and locks on overpressure—must be manually reset. Perfect for boilers, water systems, and heat exchangers where automatic restart is NOT allowed.

Have questions? Need a quote? Drop us a message or comment below! 👇

08/09/2026

Meet the DSB140F001 — a mechanical pressure monitor that delivers reliable control and monitoring of liquids, gases, and vapours with zero auxiliary energy.

🔧 Key Specs:
• Setting range: 0 – 2.5 bar
• Switching difference: 0.25 – 0.75 bar
• Max. pressure: 12 bar
• Pressure connection: G ½" male
• Ambient temperature: -20°C to +70°C
• IP65 protection (EN 60529)
• SIL 2 certified (IEC 61508)
• GL & LR approved for marine applications
• Brass pressure sensor for non-aggressive media

Need a different pressure range? The DSB series has you covered:

📌 DSB138F001 – 0 to 1.6 bar | switching diff. 0.25 – 0.65 bar

📌 DSB143F001 – 0 to 6 bar | switching diff. 0.3 – 1.6 bar

📌 DSB146F001 – 0 to 10 bar | switching diff. 0.8 – 3.7 bar

📌 DSB152F001 – 6 to 16 bar | switching diff. 1 – 4 bar

💡 Ideal for: HVAC systems, industrial process control, compact installations, pipe or wall mounting, and marine applications.

No auxiliary power. No complicated setup. Just reliable, mechanical pressure monitoring you can count on.

📩 DM us for pricing and availability!

07/09/2026

Looking for a combustion solution that delivers reliable performance, low emissions, and cost savings? Meet the RS200/E BLU – a low-NOx modulating gas burner engineered for demanding industrial applications.

As part of the well-known RS/E BLU series, this burner combines cutting-edge technology with ease of use.

⚙️ Why the RS200/E BLU Stands Out:

✅ Digital Burner Management System (REC27-37) – Independent servomotors manage air-fuel ratio for perfect output control and safe operation across the entire modulation range

✅ Low-NOx Compliance – Meets stringent emission standards, making it an environmentally responsible choice

✅ Superior Efficiency – Reduces fuel consumption and running costs without compromising performance

✅ Quiet Operation – Optimized air suction circuit with built-in soundproofing material keeps noise levels low

✅ Flexible Operation – Supports "two-stage progressive" or fully "modulating" mode with PID logic regulator and probes

Firing Range: 570/1375 – 2400 kW

🔍 Also Available in the BLU Series:

📌 RS120/E BLU – 300/600 – 1300 kW
📌 RS160/E BLU – 300/930 – 1860 kW
📌 RS310/E BLU – Higher output for larger-scale operations

🏭 Where It's Used:

The RS200/E BLU is designed for a wide range of applications, including:

🔹 Hot Water Boilers
🔹 Steam Boilers
🔹 Diathermic Oil Boilers
🔹 Hot Air Generators
🔹 Industrial Facilities (district heating, hospitals, food processing, chemical, and textile industries)

Whether you're upgrading existing equipment or outfitting new installations, the RS200/E BLU delivers the performance, reliability, and compliance you need.

💬 Have a project in mind? Drop us a message or comment below – we're here to help you find the right fit for your application!

06/09/2026

Need a heavy-duty gas burner that delivers consistent, high-efficiency performance for your industrial boiler system?

Meet the RS1200/M BLU — a forced-draught gas burner engineered for the toughest thermal applications.

⚙️ Key Specs:
▸ Firing range: 1,500 – 11,100 kW
▸ Modulation control (progressive two-stage or fully modulating with PID regulator)
▸ Low NOx emissions: < 80 mg/kWh
▸ Monoblock structure — all components in one unit for faster, easier installation
▸ Designed for hot water boilers, industrial steam generators, and diathermic oil systems

🏭 Ideal Applications:
Industrial steam generation | Hot water boiler plants | Thermal oil heaters | Process heating systems

Also available in the same RS/M BLU series:

🔹 RS 800/M BLU — mid-range industrial burner
🔹 RS 1000/M BLU — 4,000 – 10,100 kW output
🔹 RS 1300/M BLU — higher capacity for larger-scale operations

All models feature the same modulating control, low-emission combustion head, and monoblock design that make the RS series a trusted choice across the industry.

💬 Have a specific project requirement?
Drop us a comment or send a DM — we're happy to help you find the right fit for your boiler system!

05/09/2026

Meet the RX 70 S/PV — a premix gas burner engineered for precision and performance.

🔥 10-40 kW power output range
🔥 6:1 high turn-down ratio for precise heat control
🔥 Low NOx emissions — well below Class 3 limits (80 mg/kWh)
🔥 Patented seamless knitted wire combustion head technology
🔥 Compact dimensions: 590mm x 395mm x 305mm

Part of the RX premix series — also available in:

🔹 RX 25 S/PV H — compact solution for smaller applications
🔹 RX 35 S/PV H — mid-range efficiency
🔹 RX 90 S/PV — higher output for larger systems

Perfect for:
✅ Hot water boilers
✅ Steam boilers
✅ Diathermic oil heaters

Designed for natural gas (G20-G25) and LPG (G31) operation.

👇 DM us for specs, pricing, and availability!

04/09/2026

Meet the 40 GS20D — a two-stage forced draught gas burner engineered for performance and peace of mind.

🔥 Key specs: Heat output from 58/81 up to 220 kW (50,000/70,000 – 189,000 kcal/h). Two-stage operation for precise temperature control. Runs on natural gas (Family 2) with pressure range min. 6.6 mbar – max. 360 mbar. Single-phase 230V/50Hz power supply.

🔇 Why choose it? Low noise design. Easy installation and adjustment. Compact size that fits into virtually any boiler on the market. EN 676 European Standard approved and tested before leaving the factory.

🏠 Perfect for: Water boilers, diathermic oil boilers, home heating systems, and small commercial heating applications. Ambient temperature range: 0 – 50°C.

📦 Also available in the same 40 GSD series:

40 GS10D – 29/41 up to 106 kW output

40 GS20/M – similar output range with alternative configuration

40 FS20 – single-stage operation variant

💬 Got a project in mind? Drop us a message for pricing and availability! Our team is ready to help you find the right fit.


03/09/2026

Looking for a gas burner that delivers unmatched efficiency, ultra-low emissions, and complete control? Meet the RS160/E BLU – the industrial-grade modulating gas burner engineered for the future.

✅ Digital Brains, Perfect Burns
Powered by the REC27-37 Digital Burner Management System, the RS160/E BLU uses independent servomotors to manage the air-fuel ratio with surgical precision . The result? Perfect combustion across the entire modulation range – every time.

✅ Low NOx – Below 30 mg/m³
With optional FGR (Flue Gas Recirculation) technology, this burner slashes NOx emissions to below 30 mg/m³ – easily meeting the world's most stringent environmental regulations .

✅ Massive Power, Minimal Waste
Delivering a firing range from 300 kW to 1,860 kW , the RS160/E BLU reduces fuel consumption and operating costs without compromising on performance .

✅ Built to Last, Built for Comfort
Optimised sound emissions with a specially designed air suction circuit and built-in soundproofing . Compact design makes installation and maintenance a breeze .

🏭 Where Does It Shine?
Perfect for:

Hot water & superheated water boilers

Steam boilers & thermal oil heaters

Industrial air heaters & process heating systems

📦 Complete RS BLU Series – One Family, Endless Solutions

Pair the RS160/E BLU with other models in the series to cover every project need:

🔹 RS 68/E BLU – 150/350 – 860 kW firing range
🔹 RS 120/E BLU – 300/600 – 1,300 kW firing range
🔹 RS 200/E BLU – 570/1,375 – 2,400 kW firing range

From 44 kW all the way up to 2,400 kW – the RS BLU series has you covered .

💬 Got a project in mind? Drop us a message or comment below! Our team is ready to help you find the perfect burner solution.

02/09/2026

Meet the RS200/M BLU – a low-NOx gas burner engineered for demanding industrial heating applications.

✅ NOx ≤ 80 mg/kWh – Meets EN 676 Class 3 emission standards
✅ Firing output: 570 – 2,400 kW
✅ Operation: Two-stage progressive or fully modulating (with PID regulator)
✅ Compact design – Easy installation & maintenance
✅ Low noise – Special air suction circuit + soundproofing materials

Perfect for:
🔹 Low/medium temperature hot water boilers
🔹 Steam boilers
🔹 Hot air generators
🔹 Diathermic oil (thermal oil) boilers

Also available in the RS/M BLU series:

🔹 RS160/M BLU – 300 – 1,860 kW
🔹 RS120/M BLU – Perfect for medium-capacity applications
🔹 RS68/M BLU – 150 – 860 kW, ideal for smaller setups

💬 Need a quote or technical support? Drop us a message!

📩 DM us now for pricing and availability.

01/09/2026

Looking for a dual-fuel burner that delivers high efficiency without compromising on flexibility?

Meet the RLS 68/M MX — a modulating dual-fuel burner engineered for industrial-grade performance.

⚙️ Core Specs:

Firing range: 350 – 860 kW (min-max output)

Dual-fuel operation: Light oil (two-stage) + Natural gas (modulating with PID logic regulator)

Designed for: Low/medium temp hot water boilers, hot air/steam boilers, diathermic oil boilers

Power supply: 3~230-400V - 50Hz

💡 Why Choose RLS 68/M MX?
✅ High efficiency across all applications — lower fuel consumption, reduced running costs
✅ Low-noise design — special air suction circuit + soundproofing materials
✅ Compact & service-friendly — reduced dimensions, easy maintenance
✅ Wide range of accessories — maximum working flexibility

📦 Need different output? Check out the full RLS series:
🔹 RLS 38 — 116 – 442 kW
🔹 RLS 50 — 145 – 581 kW
🔹 RLS 70 — 232 – 814 kW
🔹 RLS 100 — 349 – 1163 kW

All designed for the same rugged applications: hot water boilers, steam generators, hot air generators, and diathermic oil systems.

🏭 Perfect for:
Industrial heating plants | Boiler rooms | Manufacturing facilities | Process heating applications

👇 Interested? Drop us a message for more details!

Address

No. 482, Longyuan Road, Longgang District
Shenzhen
511464

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