DSHS
6Pages

Catalog excerpts

ADCA HYGIENIC DIRECT STEAM INJECTION HUMIDIFIERS DSHS DESCRIPTION The presence of chemicals used in water treatment of plant steam boilers which produce steam used in humidification systems can have toxic effects on human health. Regulations have come into force in some countries so that only clean steam is used for humidification purposes and, to meet such requirements. The ADCAPure DSHS series of hygienic direct steam injection humidifiers are designed to ensure highly efficient and moisture free clean steam injection in air ducts and AHU for humidification purposes. These units are completely manufactured in 316L stainless steel, and are available as plug and play packaged solutions or alternatively as individual components to be incorporated into humidification systems. Each humidifier is manufactured as a bespoke solution to meet flow requirements and duct design with single or multiple injection tubes. MAIN FEATURES Quiet and efficient. Hygienic design in 316L / 1.4404 stainless steel. Bespoke injection tubes to meet flow requirements and duct design. Fully jacketed injection tubes providing moisture free steam injection. Single tube humidifier STANDARD SURFACE FINISH Internal wetted parts: ≤ 0,51 µm Ra – SF1. External: Satin bead blast finish – 1,6 µm Ra. Other surface conditions see TIS.GIA – General information ADCAPure. OPTIONS: Fully assembled in a package. Clean steam. AVAILABLE MODELS: Injection tube INJECTION TUBE SIZES: 3/4" x 1/2" and 1" x 1/2". CONNECTIONS: ASME BPE clamp ferrules. Others on request. Assembling and packaging in a clean room certified according to ISO 14644-1. The product is end capped and sealed with recyclable thermo-shrinkable plastic film, to avoid contamination. Horizontal or vertical (pointing upwards) installation in horizontal air ducts. Horizontal installation in vertical air ducts. See IMI – Installation and maintenance instructions. VALSTEAM ADCA We reserve the right to change the design and material of this product without notice.

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ADCA OPERATION Clean steam moves in the supply line passing, if necessary, through an ADCAPure pressure reducing valve to reduce it to humidification pressure (generally around 1 to 2 barg). Steam then passes through an ADCAPure S10HV centrifugal humidity separator which removes most of its moisture content. The separator special design dries the steam which is injected and also the steam which feeds the injection tube heating chamber keeping heating temperatures stable. As steam leaves the humidity separator and passes through the jacketed injection tubes it is kept at a constant...

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ADCA HOW TO SIZE Example 1 – Single-tube humidifier Installation position: Inside a horizontal air duct with 2000 mm of available downstream distance without obstacles. Duct size (H x W): 500 x 800 mm Maximum humidification load: 100 kg/h @ 1 barg Step 1: Select the injection tube model A single-tube humidifier is appropriate for the required absorption distance (see Note). According to Table 1 a single DSHS25 injection tube respects the maximum humidification load as it ensures 158 kg/h for an insertion length between 601 and 900 mm. Step 2: Select the humidity separator The humidity...

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ADCA Example 2 – Multi-tube humidifier Installation position: Inside a AHU with 500 mm downstream distance to fan entry AHU size (H x W): 1600 x 1600 mm Maximum humidification load: 180 kg/h @ 1,5 barg Step 1: Select the injection tube model and quantity A multi-tube humidifier is recommended in order to ensure complete steam absorption before reaching the fan entry (see Note). According to table Table 4 a total of three injection tubes are recommended for a AHU height of 1600 mm. Their nominal size can then be selected according to Table 3. In this case, a set of three DSHS25 will ensure...

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ADCA INJECTION TUBES C Cover plates CE MARKING – GROUP 2 (PED – European Directive) DUCT WALL LIMITING CONDITIONS Maximum operating pressure Maximum operating temperature DSHS25 102,5 145,7 87,7 15,5 330 - 3100 50 4,9 50,5 25 M10 8,5 * When thermal insulation is present, this dimension must be increased accordingly. ** Tube insertion length to be defined according to customer requirements (e.g. duct width). *** To be confirmed after exact length is defined. STEAM EMISSION DIRECTION Steam injection should be against the air flow. In vertical air flow applications, steam should be injected...

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ADCA ORDERING CODES DSHS Model DSHS – AISI 316L / 1.4404 hygienic injection tube Type 10 25 Insertion length (mm) XXXX Specify dimension “C” Options “B2” increased by 30 mm to accommodate thermal insulation thickness. Pipe connection (d1) Clamp ferrule ASME BPE Surface finish a) Standard surface finish Mirror mechanical polished external surfaces (SF1) Electropolished internal wetted parts (SF5) None Pipe connection (d2) Clamp ferrule ASME BPE Size (d1 x d2) 1" x 1/2" Special construction / Additional options A full description must to be provided and validated in case of a non-standard...

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DSHS 6Pages

Catalog excerpts

All VALSTEAM ADCA Engineering S.A. catalogs and technical brochures

DSHS
6Pages