Cleanroom Utility Systems

Clean Steam Distribution System

A prefabricated 316L distribution module that routes clean steam through a sloped main, top-fed branches and drained points of use.

Sloped self-draining steam header
Top-fed point-of-use branches
Hygienic condensate removal

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Product Introduction

The Clean Steam Distribution System begins at the clean-steam source outlet and delivers steam to separated hygienic users without adding another generation stage. Its 316L main header is arranged with a continuous fall toward a drain pocket, while branch take-offs rise from the top of the main before descending to point-of-use valves. A clean-steam trap removes collected condensate at the terminal low point, and local pressure instruments provide operating visibility. Prefabricated supported sections reduce field joints while retaining the drainage, support and thermal-movement allowances required by the final route.

Key Features

316L stainless-steel main and branches

Continuous header fall toward drainage

Three top-entry point-of-use take-offs

Drainable hygienic valve orientation

Orbital-welded primary tube joints

Terminal drain pocket and clean-steam trap

Local pressure indication and transmission

Prefabricated rack with defined pipe supports

Customer Product Concerns

A downstream clean-steam network must deliver dry, usable steam while continuously removing condensate and avoiding stagnant pockets across several intermittent users.

Condensate pools in a level header and can initiate water hammerInstall the main with a controlled fall toward a full-bore drain pocket and discharge through a correctly selected clean-steam trap.

Side or bottom take-offs carry wet steam into critical usersLift each branch from the top of the main before turning down to its point-of-use isolation valve.

Excess removable joints and dead legs complicate hygienic maintenanceUse orbital butt welds through the fixed runs and reserve hygienic clamps for components that require removal or inspection.

Thermal growth and changing demand strain pipework or starve remote usersSize each header and branch from the load profile, then coordinate guided supports and expansion allowance with the final route.

Typical Applications

Autoclave and washer-sterilizer supplyBioreactor and process-vessel SIPAseptic filling-line steam barriersFood and beverage direct-steam servicesClean humidification distribution

Technical Parameters

Header diameter, branch size, steam pressure, drainage spacing, insulation, trap duty, support pitch and modular section length are selected from the connected load schedule and installed routing.

Core Material	316L stainless steel hygienic main header, branches, drain pocket and condensate discharge path
Panel Thickness	Sanitary tube wall typically 0.89–2.77 mm
Effective Width	Main and branch outside diameters typically 25.4–101.6 mm
Maximum Length	Prefabricated supported module length typically up to 6000 mm
Steel Facing Thickness	Instrument and support plates typically 1.5–3.0 mm
Core Density	316L stainless steel density approximately 8000 kg/m³
Thermal Conductivity	316L stainless steel approximately 15 W/(m·K) at ambient temperature
Surface Finish	Passivated 316L tubing with project-selected mechanically polished or electropolished internal finish
Joint Type	Orbital butt-welded fixed runs with hygienic clamp joints at removable valves, trap and instruments
Customization	Available based on the intended application and operating environment.

Available Options

Header and branch diameter selectionPolished or electropolished internal finishInsulation with stainless protective claddingManual or actuated point-of-use valvesThermostatic or mechanical clean-steam trapSeparator and air-vent connection provisionsPressure and temperature monitoring pointsCondensate return or safe-discharge interface

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