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Help CenterHigh-EfficiencyThermostatic Bellows Steam Trap Automatic Condensate Removal for Steam Tracing and Process Heating Systems
Product Spotlights
Energy Saving Operation
Fast Temperature Response
Compact and Lightweight Design
Corrosion Resistant Construction
Low Maintenance Requirements
Quiet Operation
Prevents Water Hammer
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Thermostatic Bellows Steam Trap
High-Efficiency Automatic Condensate Removal for Steam Tracing and Process Heating Systems
Product Overview
The Thermostatic Bellows Steam Trap is a temperature-operated steam trap designed to automatically discharge condensate and non-condensable gases while preventing valuable live steam from escaping. It utilizes a specially designed bellows element filled with temperature-sensitive liquid that expands and contracts according to condensate temperature.
This type of steam trap is particularly suitable for steam tracing systems, sterilizers, heat exchangers, process equipment, jacketed vessels, and low-condensate-load applications where efficient air venting and energy conservation are essential.
How Does a Bellows Steam Trap Work?
The thermostatic bellows element responds to temperature changes in the steam system.
Startup Condition
When the system starts, the bellows contracts, keeping the valve open. Large volumes of air and cold condensate are rapidly discharged, allowing the equipment to heat up quickly.
Normal Operation
As steam reaches the trap, the temperature-sensitive liquid inside the bellows expands. The bellows then pushes the valve disc onto the seat, closing the trap and preventing steam loss.
Condensate Discharge
When condensate cools below steam saturation temperature, the bellows contracts again, opening the valve and allowing condensate to discharge automatically.
This continuous cycle ensures efficient drainage while maximizing steam utilization.
Key Features and Benefits
Excellent Air Venting Capability
Efficiently removes air and non-condensable gases during startup, improving heat transfer efficiency and reducing warm-up time.
Energy Saving Operation
Discharges condensate at temperatures close to saturation while minimizing live steam loss.
Fast Temperature Response
The bellows element reacts quickly to temperature changes, ensuring accurate and reliable operation.
Compact and Lightweight Design
Small size and simple structure make installation easy, even in confined spaces.
Corrosion Resistant Construction
Available in stainless steel and other corrosion-resistant materials for long service life.
Low Maintenance Requirements
Minimal moving parts reduce wear and maintenance costs.
Quiet Operation
Operates smoothly without the cycling noise associated with some mechanical steam traps.
Prevents Water Hammer
Removes condensate effectively to protect equipment and piping systems from water hammer damage.
Technical Specifications
| Parameter | Specification |
|---|---|
| Trap Type | Thermostatic Bellows Steam Trap |
| Body Material | Cast Iron / Carbon Steel / Stainless Steel |
| Connection | Threaded, Flanged, Socket Weld |
| Nominal Size | DN15-DN50 (½"–2") |
| Maximum Pressure | PN16, PN25, PN40 |
| Maximum Temperature | Up to 350°C |
| Applicable Medium | Saturated Steam, Condensate |
| Installation Position | Horizontal or Vertical |
Custom specifications are available upon request.
Typical Applications
Steam Tracing Systems
Ideal for maintaining process temperatures in pipelines and tanks.
Heat Exchangers
Ensures efficient condensate removal and improved heat transfer performance.
Sterilization Equipment
Suitable for pharmaceutical, food processing, and laboratory applications.
Jacketed Vessels
Provides accurate temperature control and condensate drainage.
Instrument Tracing
Protects instruments and process lines from freezing and temperature fluctuations.
Small Process Equipment
Recommended for applications with low condensate loads and frequent temperature variations.
Why Choose Our Bellows Steam Trap?
High Manufacturing Standards
Produced under strict quality control procedures.
Reliable Performance
Designed for stable operation under varying load conditions.
Long Service Life
Premium bellows elements ensure durability and consistent performance.
Energy Efficiency
Reduces steam waste and lowers operating costs.
OEM & ODM Available
Custom logo, packaging, materials, and specifications are supported.
Fast Global Delivery
Exported to customers worldwide with professional technical support.
Frequently Asked Questions (FAQ)
Q1: What is the main advantage of a bellows steam trap?
The primary advantage is its excellent air venting capability and energy-efficient operation, making it ideal for steam tracing and temperature-sensitive applications.
Q2: Can it discharge air automatically?
Yes. The trap automatically removes air and non-condensable gases during startup and normal operation.
Q3: Is it suitable for superheated steam?
Standard bellows steam traps are generally designed for saturated steam systems. For superheated steam applications, alternative steam trap types may be recommended.
Q4: What industries commonly use bellows steam traps?
Food processing, pharmaceuticals, chemical plants, textile mills, breweries, steam tracing systems, and general industrial heating applications.
China Professional Steam Trap Manufacturer
We specialize in the manufacturing and export of high-quality steam traps, including:
Free Float Steam Traps
Lever Ball Float Steam Traps
Inverted Bucket Steam Traps
Thermodynamic Disc Steam Traps
Thermostatic Bellows Steam Traps
Bimetallic Steam Traps
Contact us today for technical consultation, sizing assistance, and competitive quotations for your steam system requirements.
Keywords: Thermostatic Bellows Steam Trap, Bellows Steam Trap Manufacturer, Steam Tracing Steam Trap, Stainless Steel Steam Trap, Industrial Steam Trap, Energy Saving Steam Trap, Steam Condensate Drainage Solution.
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