INDUSTRY COMPONENT

Drain Connection

A steam header drain connection component that safely removes condensate from steam distribution systems to prevent water hammer and maintain steam quality.

Component Specifications

Definition
A specialized piping component installed at the lowest point of a steam distribution header to facilitate the continuous or intermittent removal of accumulated condensate. It prevents water accumulation that could cause water hammer, corrosion, and reduced heat transfer efficiency in industrial steam systems. Typically includes a connection point for steam traps, valves, or blowdown systems.
Working Principle
Operates by providing a low-point collection point where condensate naturally accumulates due to gravity. When connected to a steam trap, it allows condensate to be discharged while preventing live steam loss. The connection maintains system pressure integrity while enabling efficient condensate removal through automatic or manual drainage mechanisms.
Materials
Carbon steel (ASTM A106 Grade B), stainless steel (304/316), forged steel with pressure ratings matching header specifications. Gaskets: graphite or PTFE. Bolting: ASTM A193 B7 or equivalent.
Technical Parameters
  • Size Range 1/2" to 2" (DN15 to DN50)
  • Connection Type Flanged (ANSI/ASME B16.5), threaded (NPT), or welded
  • End Connections Female threaded, socket weld, or butt weld
  • Pressure Rating 150-900 psi (10-62 bar)
  • Temperature Range -20°C to 400°C
Standards
ISO 6708, ASME B31.1, DIN 2635

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Drain Connection.

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Water hammer damage
  • Corrosion from stagnant condensate
  • Steam leakage
  • Reduced system efficiency
  • Safety hazards from improper drainage
FMEA Triads
Trigger: Incorrect sizing or installation
Failure: Inadequate condensate removal leading to water hammer
Mitigation: Follow ASME B31.1 guidelines for sizing and installation, ensure proper slope and positioning
Trigger: Material incompatibility with steam conditions
Failure: Corrosion and premature component failure
Mitigation: Select appropriate materials (stainless steel for corrosive environments, carbon steel for standard applications)

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.5 mm on bore diameter, ±1° on angular alignment
Test Method
Hydrostatic pressure test at 1.5x working pressure, visual inspection, dimensional verification per ASME B16.34

Buyer Feedback

★★★★☆ 4.9 / 5.0 (9 reviews)

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

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

"Impressive build quality. Especially the technical reliability is very stable during long-term operation."

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Frequently Asked Questions

Why is proper drain connection installation critical in steam headers?

Proper installation prevents water hammer, reduces corrosion, maintains steam quality, and ensures efficient heat transfer by removing condensate that could otherwise accumulate and cause system damage.

What maintenance is required for steam header drain connections?

Regular inspection for leaks, corrosion monitoring, steam trap functionality checks, and periodic cleaning to prevent blockage from scale or debris accumulation.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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