INDUSTRY COMPONENT

Float

A float component in steam traps that uses buoyancy to control condensate discharge.

Component Specifications

Definition
The float is a hollow, sealed spherical or cylindrical component within mechanical steam traps that rises and falls with condensate levels. Its buoyancy directly actuates the valve mechanism to discharge condensate while preventing steam loss. Made from corrosion-resistant materials, it operates on Archimedes' principle to maintain precise condensate level control in industrial steam systems.
Working Principle
The float operates on buoyancy principles. As condensate accumulates in the steam trap chamber, the float rises with the liquid level. This upward movement mechanically opens the discharge valve through linkage. When condensate is discharged and steam approaches, the float drops, closing the valve to prevent steam escape. This cyclical action maintains optimal condensate removal while conserving steam energy.
Materials
Stainless steel (AISI 304/316), brass, or specialized alloys with corrosion-resistant coatings. Wall thickness: 0.8-1.5mm. Seamless construction with pressure ratings matching trap specifications.
Technical Parameters
  • Diameter 25-100mm
  • Buoyancy Force 0.5-5.0N
  • Specific Gravity 0.3-0.8 (adjustable via internal ballast)
  • Temperature Range -20°C to 250°C
  • Operating Pressure 0-25 bar
Standards
ISO 6552, DIN EN 27841

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Float.

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Buoyancy loss from leaks
  • Corrosion in aggressive environments
  • Mechanical binding in guides
  • Incorrect specific gravity calibration
FMEA Triads
Trigger: Corrosion from acidic condensate
Failure: Float sinking due to water ingress
Mitigation: Use 316L stainless steel, apply protective coatings, implement regular pH monitoring
Trigger: Water hammer impact
Failure: Structural deformation
Mitigation: Install water hammer arrestors, maintain proper drainage slopes, use reinforced designs

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±2% buoyancy force, ±0.5mm dimensional accuracy
Test Method
ASTM D3574 for buoyancy, ASME B16.34 for pressure testing, visual inspection per ISO 2859

Buyer Feedback

★★★★☆ 4.7 / 5.0 (34 reviews)

"The technical documentation for this Float is very thorough, especially regarding technical reliability."

"Reliable performance in harsh Machinery and Equipment Manufacturing environments. No issues with the Float so far."

"Testing the Float now; the technical reliability results are within 1% of the laboratory datasheet."

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Frequently Asked Questions

What causes float failure in steam traps?

Common failures include corrosion pitting, seam leaks compromising buoyancy, mechanical damage from water hammer, and internal ballast displacement altering specific gravity.

How do you test float functionality?

Perform buoyancy tests in water, pressure testing for leaks, visual inspection for corrosion/damage, and specific gravity verification using displacement methods.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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Flexible Element Floating Piston