Desuperheaters for Wood Products and Kiln Steam

The SPAD is a small-pipe attemperator using a fixed-nozzle spray ring that clamps between two steam pipe flanges. The LPD is a large-pipe, probe-type design with a variable-nozzle, fully actuated control valve and 90-degree flanged insertion. Product selection depends on pipe size, system conditions, and required control characteristics.

The SPAD and Steam Attemperator designs are fed water from a separate temperature control valve. This arrangement introduces spray water through the fixed-nozzle ring while the external control valve manages the water supply. The LPD integrates a variable-nozzle actuated control valve and desuperheater assembly for larger steam piping applications.

The listed desuperheater products are available in ASME B16.34 pressure classes 150, 300, 600, 900, 1500, 2500, and 2700. The appropriate class should be selected against the steam system design conditions, piping requirements, and applicable engineering specifications for the installation.

The listed SPAD, Steam Attemperator, and LPD products are rated for temperatures up to 1200°F (650°C). Actual selection and application should account for operating temperature, steam conditions, water supply, pipe configuration, and the required temperature-control performance.

Product applications explicitly include power plants and process plants. Typical functions include increasing steam heat-transfer capability, protecting piping and steam traps, protecting rotating seals, increasing steam flow, and decreasing boiler loads. B-Tech Valve also positions its products for high-temperature steam systems requiring application-sized conditioning equipment.

Yes. The Steam Attemperator is sized for each customer’s application, while the product range includes both small-pipe spray-ring and large-pipe probe-type designs. Application review should include pipe size, pressure class, temperature, steam conditions, water supply, installation arrangement, and the desired control response.